fix(ci): Add Navisworks 2026 to the build consts (#742)

Update dev into main

.config/dotnet-tools.json

@@ -9,10 +9,10 @@
       ],
       "rollForward": false
     },
-    "gitversion.tool": {
-      "version": "6.0.2",
+    "dotnet-affected": {
+      "version": "5.0.0",
       "commands": [
-        "dotnet-gitversion"
+        "dotnet-affected"
       ],
       "rollForward": false
     }

.github/workflows/pr.yml

@@ -1,9 +1,7 @@
 name: .NET Build
 
 on:
-  pull_request: # Run build on every pull request that is not to main
-    branches-ignore:
-      - main
+  pull_request
 
 jobs:   
   build:
@@ -34,6 +32,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4

.github/workflows/release.yml

@@ -2,12 +2,14 @@ name: .NET Build and Publish
 
 on:
   push:
-    branches: ["main", "dev", "release/*"] # Continuous delivery on every long-lived branch
+    branches: ["main", "installer-test/**"]
     tags: ["v3.*"] # Manual delivery on every 3.x tag
 
 jobs:
   build-windows:
     runs-on: windows-latest
+    env:
+      SPECKLE_VERSION: "unset"
     outputs:
       version: ${{ steps.set-version.outputs.version }}
     steps:
@@ -27,38 +29,35 @@ jobs:
           path: ~/.nuget/packages
           key: ${{ runner.os }}-nuget-${{ hashFiles('**/packages.lock.json') }}
 
-      - name: ⚒️ Run GitVersion on Windows
-        run: ./build.ps1 build-server-version
-
       - name: ⚒️ Run build on Windows
-        run: ./build.ps1
+        run: ./build.ps1 zip
 
       - name: ⬆️ Upload artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: output-${{ env.GitVersion_FullSemVer }}
+          name: output-${{ env.SPECKLE_VERSION }}
           path: output/*.*
-          compression-level: 0 # no compression
-
+          if-no-files-found: error
+          retention-days: 1
+          compression-level: 0 # no compression      
       - id: set-version
         name: Set version to output
-        run: echo "version=${{ env.GitVersion_FullSemVer }}" >> "$Env:GITHUB_OUTPUT"
+        run: echo "version=${{ env.SPECKLE_VERSION }}" >> "$Env:GITHUB_OUTPUT"
 
   deploy-installers:
     runs-on: ubuntu-latest
     needs: build-windows
     env:
-      IS_TAG_BUILD: ${{ github.ref_type == 'tag' }}
-      IS_RELEASE_BRANCH: ${{ startsWith(github.ref_name, 'release/') || github.ref_name == 'main'}}
+      IS_PUBLIC_RELEASE: ${{ github.ref_type == 'tag' }}
+      IS_TEST_INSTALLER: ${{ github.ref_type != 'tag' }}
     steps:
       - name: 🔫 Trigger Build Installers
         uses: ALEEF02/workflow-dispatch@v3.0.0
-        continue-on-error: true
         with:
           workflow: Build Installers
           repo: specklesystems/connector-installers
           token: ${{ secrets.CONNECTORS_GH_TOKEN }}
-          inputs: '{ "run_id": "${{ github.run_id }}", "version": "${{ needs.build-windows.outputs.version }}", "public_release": ${{ env.IS_TAG_BUILD }}, "store_artifacts": ${{ env.IS_RELEASE_BRANCH }} }'
+          inputs: '{ "run_id": "${{ github.run_id }}", "version": "${{ needs.build-windows.outputs.version }}", "public_release": ${{ env.IS_PUBLIC_RELEASE }}, "store_artifacts": ${{ env.IS_TEST_INSTALLER }} }'
           ref: main
           wait-for-completion: true
           wait-for-completion-interval: 10s
@@ -89,9 +88,6 @@ jobs:
           path: ~/.nuget/packages
           key: ${{ runner.os }}-nuget-${{ hashFiles('**/packages.lock.json') }}
 
-      - name: ⚒️ Run GitVersion on Linux
-        run: ./build.sh build-server-version
-
       - name: ⚒️ Run tests on Linux
         run: ./build.sh test-only
 
@@ -105,4 +101,5 @@ jobs:
           token: ${{ secrets.CODECOV_TOKEN }}
 
       - name: Push to nuget.org
+        if: (github.ref_type == 'tag')
         run: dotnet nuget push output/*.nupkg --source "https://api.nuget.org/v3/index.json" --api-key ${{secrets.CONNECTORS_NUGET_TOKEN }} --skip-duplicate

Build/Affected.cs

@@ -0,0 +1,116 @@
+using GlobExpressions;
+using Microsoft.Build.Construction;
+using static SimpleExec.Command;
+
+namespace Build;
+
+public static class Affected
+{
+  public static readonly string Root = Environment.CurrentDirectory;
+  public const string AFFECTED_PROJECT = "affected.proj";
+
+  private static IEnumerable<string> GetAffectedProjects()
+  {
+    var projFile = Path.Combine(Root, AFFECTED_PROJECT);
+    Console.WriteLine("Affected project file: " + projFile);
+    var project = ProjectRootElement.Open(projFile) ?? throw new InvalidOperationException();
+    var references = project.ItemGroups.SelectMany(x => x.Items).Where(x => x.ItemType == "ProjectReference");
+
+    foreach (var refe in references)
+    {
+      var referencePath = refe.Include[(Root.Length + 1)..];
+      referencePath = Path.GetDirectoryName(referencePath) ?? throw new InvalidOperationException();
+      if (Path.DirectorySeparatorChar != '/')
+      {
+        referencePath = referencePath.Replace(Path.DirectorySeparatorChar, '/');
+      }
+
+      yield return referencePath;
+    }
+  }
+
+  public static async Task<IEnumerable<string>> GetTestProjects()
+  {
+    await ComputeAffected();
+    var projFile = Path.Combine(Root, AFFECTED_PROJECT);
+    if (File.Exists(projFile))
+    {
+      var references = GetAffectedProjects();
+      return references.Where(x => x.Contains("Tests"));
+    }
+    return Glob.Files(Root, "**/*.Tests.csproj");
+  }
+
+  public static async Task<ProjectGroup[]> GetAffectedProjectGroups()
+  {
+    await ComputeAffected();
+    var projFile = Path.Combine(Root, AFFECTED_PROJECT);
+    if (File.Exists(projFile))
+    {
+      var references = GetAffectedProjects().ToList();
+      var groups = new List<ProjectGroup>();
+      foreach (var projectGroup in Consts.ProjectGroups)
+      {
+        foreach (var referencePath in references)
+        {
+          if (projectGroup.Projects.Any(x => x.ProjectPath.Contains(referencePath)))
+          {
+            groups.Add(projectGroup);
+            break;
+          }
+        }
+      }
+
+      foreach (var group in groups)
+      {
+        Console.WriteLine("Affected project group being built: " + group.HostAppSlug);
+      }
+
+      return groups.ToArray();
+    }
+
+    Console.WriteLine("Using all project groups: " + string.Join(',', Consts.ProjectGroups));
+    return Consts.ProjectGroups;
+  }
+
+  private static bool s_affectedComputed;
+
+  public static async Task ComputeAffected()
+  {
+    if (s_affectedComputed)
+    {
+      return;
+    }
+
+    var currentTag = await Versions.GetCurrentTag();
+    var currentVersion = await Versions.ComputeVersion();
+    var lastTag = await Versions.GetPreviousTag(currentTag);
+    var lastVersion = await Versions.ComputePreviousVersion(currentTag);
+
+    Console.WriteLine($"Last tag: {lastTag}, Current tag: {currentTag}");
+    Console.WriteLine($"Last parsed version: {lastVersion}, Current parsed version: {currentVersion}");
+
+    var sort = currentVersion.CompareSortOrderTo(lastVersion);
+    if (sort == -1)
+    {
+      Console.WriteLine($"Current version {currentVersion} is less than: {lastVersion}");
+      s_affectedComputed = true;
+      return;
+    }
+
+    var majorEquals = currentVersion.Major == lastVersion.Major;
+    if (!majorEquals)
+    {
+      Console.WriteLine($"Current version {currentVersion} is not matching major version: {lastVersion}");
+      s_affectedComputed = true;
+      return;
+    }
+
+    //use tags no matter the version if major versions match
+    var (currentCommit, _) = await ReadAsync("git", $"rev-list -n 1 {currentTag}");
+    var (lastCommit, _) = await ReadAsync("git", $"rev-list -n 1 {lastTag}");
+    await RunAsync("dotnet", $"affected -v --from {currentCommit.Trim()} --to {lastCommit.Trim()}", Root);
+
+    s_affectedComputed = true;
+  }
+}

Build/Build.csproj

@@ -10,6 +10,7 @@
     <PackageReference Include="Bullseye" />
     <PackageReference Include="Glob" />
     <PackageReference Include="Microsoft.Build" />
+    <PackageReference Include="Semver" />
     <PackageReference Include="SimpleExec" />
   </ItemGroup>
 </Project>

Build/Consts.cs

@@ -4,7 +4,7 @@ public static class Consts
 {
   public static readonly string[] Solutions = ["Speckle.Connectors.sln"];
 
-  public static readonly InstallerProject[] InstallerManifests =
+  public static readonly ProjectGroup[] ProjectGroups =
   {
     new("arcgis", [new("Connectors/ArcGIS/Speckle.Connectors.ArcGIS3", "net6.0-windows")]),
     new(
@@ -49,11 +49,12 @@ public static class Consts
         new("Connectors/Navisworks/Speckle.Connectors.Navisworks2022", "net48"),
         new("Connectors/Navisworks/Speckle.Connectors.Navisworks2023", "net48"),
         new("Connectors/Navisworks/Speckle.Connectors.Navisworks2024", "net48"),
-        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2025", "net48")
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2025", "net48"),
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2026", "net48")
       ]
     ),
     new(
-      "tekla-structures",
+      "teklastructures",
       [
         new("Connectors/Tekla/Speckle.Connector.Tekla2023", "net48"),
         new("Connectors/Tekla/Speckle.Connector.Tekla2024", "net48")
@@ -69,7 +70,7 @@ public static class Consts
   };
 }
 
-public readonly record struct InstallerProject(string HostAppSlug, IReadOnlyList<InstallerAsset> Projects)
+public readonly record struct ProjectGroup(string HostAppSlug, IReadOnlyList<InstallerAsset> Projects)
 {
   public override string ToString() => $"{HostAppSlug}";
 }

Build/Program.cs

@@ -12,13 +12,12 @@ const string TEST = "test";
 const string TEST_ONLY = "test-only";
 const string FORMAT = "format";
 const string ZIP = "zip";
-const string VERSION = "version";
 const string RESTORE_TOOLS = "restore-tools";
-const string BUILD_SERVER_VERSION = "build-server-version";
 const string CLEAN_LOCKS = "clean-locks";
 const string CHECK_SOLUTIONS = "check-solutions";
 const string DEEP_CLEAN = "deep-clean";
 const string DEEP_CLEAN_LOCAL = "deep-clean-local";
+const string DETECT_AFFECTED = "detect-affected";
 
 //need to pass arguments
 /*var arguments = new List<string>();
@@ -34,14 +33,14 @@ void Build(string solution, string configuration)
   Console.WriteLine();
   Console.WriteLine($"Building solution '{solution}' as '{configuration}'");
   Console.WriteLine();
-  Run("dotnet", $"build .\\{solution} --configuration {configuration} --no-restore");
+  Run("dotnet", $"build \".\\{solution}\" --configuration {configuration} --no-restore");
 }
 void Restore(string solution)
 {
   Console.WriteLine();
   Console.WriteLine($"Restoring solution '{solution}'");
   Console.WriteLine();
-  Run("dotnet", $"restore .\\{solution} --no-cache");
+  Run("dotnet", $"restore \".\\{solution}\" --no-cache");
 }
 void DeleteFiles(string pattern)
 {
@@ -125,17 +124,6 @@ Target(
   }
 );
 
-Target(
-  VERSION,
-  async () =>
-  {
-    var (output, _) = await ReadAsync("dotnet", "minver -v w");
-    output = output.Trim();
-    Console.WriteLine($"Version: {output}");
-    Run("echo", $"\"version={output}\" >> $GITHUB_OUTPUT");
-  }
-);
-
 Target(
   RESTORE_TOOLS,
   () =>
@@ -144,6 +132,18 @@ Target(
   }
 );
 
+Target(
+  DETECT_AFFECTED,
+  DependsOn(RESTORE_TOOLS),
+  async () =>
+  {
+    foreach (var group in await Affected.GetAffectedProjectGroups())
+    {
+      Console.WriteLine("Affected project group being built: " + group.HostAppSlug);
+    }
+  }
+);
+
 Target(
   FORMAT,
   DependsOn(RESTORE_TOOLS),
@@ -155,20 +155,14 @@ Target(
 
 Target(
   RESTORE,
-  DependsOn(FORMAT),
+  DependsOn(FORMAT, DETECT_AFFECTED),
   Consts.Solutions,
-  s =>
+  async s =>
   {
-    Run("dotnet", $"restore {s} --locked-mode");
-  }
-);
-
-Target(
-  BUILD_SERVER_VERSION,
-  DependsOn(RESTORE_TOOLS),
-  () =>
-  {
-    Run("dotnet", "tool run dotnet-gitversion /output json /output buildserver");
+    var version = await Versions.ComputeVersion();
+    var fileVersion = await Versions.ComputeFileVersion();
+    Console.WriteLine($"Restoring: {s} - Version: {version} & {fileVersion}");
+    await RunAsync("dotnet", $"restore \"{s}\" --locked-mode");
   }
 );
 
@@ -176,14 +170,14 @@ Target(
   BUILD,
   DependsOn(RESTORE),
   Consts.Solutions,
-  s =>
+  async s =>
   {
-    var version = Environment.GetEnvironmentVariable("GitVersion_FullSemVer") ?? "3.0.0-localBuild";
-    var fileVersion = Environment.GetEnvironmentVariable("GitVersion_AssemblySemFileVer") ?? "3.0.0.0";
-    Console.WriteLine($"Version: {version} & {fileVersion}");
-    Run(
+    var version = await Versions.ComputeVersion();
+    var fileVersion = await Versions.ComputeFileVersion();
+    Console.WriteLine($"Restoring: {s} - Version: {version} & {fileVersion}");
+    await RunAsync(
       "dotnet",
-      $"build {s} -c Release --no-restore -warnaserror -p:Version={version} -p:FileVersion={fileVersion} -v:m"
+      $"build \"{s}\" -c Release --no-restore -warnaserror -p:Version={version} -p:FileVersion={fileVersion} -v:m"
     );
   }
 );
@@ -193,23 +187,26 @@ Target(CHECK_SOLUTIONS, Solutions.CompareConnectorsToLocal);
 Target(
   TEST,
   DependsOn(BUILD, CHECK_SOLUTIONS),
-  Glob.Files(".", "**/*.Tests.csproj"),
-  file =>
+  async () =>
   {
-    Run("dotnet", $"test {file} -c Release --no-build --no-restore --verbosity=minimal");
+    foreach (var s in await Affected.GetTestProjects())
+    {
+      await RunAsync("dotnet", $"test \"{s}\" -c Release --no-build --no-restore --verbosity=minimal");
+    }
   }
 );
 
+//all tests on purpose
 Target(
   TEST_ONLY,
   DependsOn(FORMAT),
   Glob.Files(".", "**/*.Tests.csproj"),
   file =>
   {
-    Run("dotnet", $"build {file} -c Release --no-incremental");
+    Run("dotnet", $"build \"{file}\" -c Release --no-incremental");
     Run(
       "dotnet",
-      $"test {file} -c Release --no-build --verbosity=minimal /p:AltCover=true /p:AltCoverAttributeFilter=ExcludeFromCodeCoverage /p:AltCoverVerbosity=Warning"
+      $"test \"{file}\" -c Release --no-build --verbosity=minimal /p:AltCover=true /p:AltCoverAttributeFilter=ExcludeFromCodeCoverage /p:AltCoverVerbosity=Warning"
     );
   }
 );
@@ -218,20 +215,20 @@ Target(
   BUILD_LINUX,
   DependsOn(FORMAT),
   Glob.Files(".", "**/Speckle.Importers.Ifc.csproj"),
-  file =>
+  async file =>
   {
-    Run("dotnet", $"restore {file} --locked-mode");
-    var version = Environment.GetEnvironmentVariable("GitVersion_FullSemVer") ?? "3.0.0-localBuild";
-    var fileVersion = Environment.GetEnvironmentVariable("GitVersion_AssemblySemFileVer") ?? "3.0.0.0";
+    await RunAsync("dotnet", $"restore \"{file}\" --locked-mode");
+    var version = await Versions.ComputeVersion();
+    var fileVersion = await Versions.ComputeFileVersion();
     Console.WriteLine($"Version: {version} & {fileVersion}");
-    Run(
+    await RunAsync(
       "dotnet",
-      $"build {file} -c Release --no-restore -warnaserror -p:Version={version} -p:FileVersion={fileVersion} -v:m"
+      $"build \"{file}\" -c Release --no-restore -warnaserror -p:Version={version} -p:FileVersion={fileVersion} -v:m"
     );
 
-    RunAsync(
+    await RunAsync(
       "dotnet",
-      $"pack {file} -c Release -o output --no-build -p:Version={version} -p:FileVersion={fileVersion} -v:m"
+      $"pack \"{file}\" -c Release -o output --no-build -p:Version={version} -p:FileVersion={fileVersion} -v:m"
     );
   }
 );
@@ -239,47 +236,54 @@ Target(
 Target(
   ZIP,
   DependsOn(TEST),
-  Consts.InstallerManifests,
-  x =>
+  async () =>
   {
-    var outputDir = Path.Combine(".", "output");
-    var slugDir = Path.Combine(outputDir, x.HostAppSlug);
-
-    Directory.CreateDirectory(outputDir);
-    Directory.CreateDirectory(slugDir);
-
-    foreach (var asset in x.Projects)
+    var version = await Versions.ComputeVersion();
+    foreach (var group in await Affected.GetAffectedProjectGroups())
     {
-      var fullPath = Path.Combine(".", asset.ProjectPath, "bin", "Release", asset.TargetName);
-      if (!Directory.Exists(fullPath))
+      Console.WriteLine($"Zipping: {group.HostAppSlug} as {version}");
+      var outputDir = Path.Combine(".", "output");
+      var slugDir = Path.Combine(outputDir, group.HostAppSlug);
+
+      Directory.CreateDirectory(outputDir);
+      Directory.CreateDirectory(slugDir);
+
+      foreach (var asset in group.Projects)
       {
-        throw new InvalidOperationException("Could not find: " + fullPath);
+        var fullPath = Path.Combine(".", asset.ProjectPath, "bin", "Release", asset.TargetName);
+        if (!Directory.Exists(fullPath))
+        {
+          throw new InvalidOperationException("Could not find: " + fullPath);
+        }
+
+        var assetName = Path.GetFileName(asset.ProjectPath);
+        var connectorDir = Path.Combine(slugDir, assetName);
+
+        Directory.CreateDirectory(connectorDir);
+        foreach (var directory in Directory.EnumerateDirectories(fullPath, "*", SearchOption.AllDirectories))
+        {
+          Directory.CreateDirectory(directory.Replace(fullPath, connectorDir));
+        }
+
+        foreach (var file in Directory.EnumerateFiles(fullPath, "*", SearchOption.AllDirectories))
+        {
+          Console.WriteLine(file);
+          File.Copy(file, file.Replace(fullPath, connectorDir), true);
+        }
       }
 
-      var assetName = Path.GetFileName(asset.ProjectPath);
-      var connectorDir = Path.Combine(slugDir, assetName);
-
-      Directory.CreateDirectory(connectorDir);
-      foreach (var directory in Directory.EnumerateDirectories(fullPath, "*", SearchOption.AllDirectories))
-      {
-        Directory.CreateDirectory(directory.Replace(fullPath, connectorDir));
-      }
-
-      foreach (var file in Directory.EnumerateFiles(fullPath, "*", SearchOption.AllDirectories))
-      {
-        Console.WriteLine(file);
-        File.Copy(file, file.Replace(fullPath, connectorDir), true);
-      }
+      var outputPath = Path.Combine(outputDir, $"{group.HostAppSlug}.zip");
+      File.Delete(outputPath);
+      Console.WriteLine($"Zipping: '{slugDir}' to '{outputPath}'");
+      ZipFile.CreateFromDirectory(slugDir, outputPath);
     }
 
-    var outputPath = Path.Combine(outputDir, $"{x.HostAppSlug}.zip");
-    File.Delete(outputPath);
-    Console.WriteLine($"Zipping: '{slugDir}' to '{outputPath}'");
-    ZipFile.CreateFromDirectory(slugDir, outputPath);
-    // Directory.Delete(slugDir, true);
+    string githubEnv = Environment.GetEnvironmentVariable("GITHUB_ENV") ?? "Unset";
+    Console.WriteLine($"GITHUB_ENV: {githubEnv}");
+    File.AppendAllText(githubEnv, $"SPECKLE_VERSION={version}{Environment.NewLine}");
   }
 );
 
-Target("default", DependsOn(FORMAT, ZIP), () => Console.WriteLine("Done!"));
+Target("default", DependsOn(TEST), () => Console.WriteLine("Done!"));
 
 await RunTargetsAndExitAsync(args).ConfigureAwait(true);

Build/Versions.cs

@@ -0,0 +1,79 @@
+using Semver;
+using static SimpleExec.Command;
+
+namespace Build;
+
+public static class Versions
+{
+  private static string? s_currentTag;
+  private static SemVersion? s_currentVersion;
+
+  public static async Task<string> GetCurrentTag()
+  {
+    if (s_currentTag is not null)
+    {
+      return s_currentTag;
+    }
+    //finds current tag or makes one
+    var (currentTag, _) = await ReadAsync("git", "describe --tags");
+    currentTag = currentTag.Trim();
+    s_currentTag = currentTag;
+    return s_currentTag;
+  }
+
+  public static async Task<SemVersion> ComputeVersion()
+  {
+    if (s_currentVersion is not null)
+    {
+      return s_currentVersion;
+    }
+    var currentTag = await GetCurrentTag();
+
+    if (!SemVersion.TryParse(currentTag, SemVersionStyles.AllowLowerV, out var currentVersion))
+    {
+      throw new InvalidOperationException($"Could not parse version: '{currentTag}'");
+    }
+    s_currentVersion = currentVersion;
+    return s_currentVersion;
+  }
+
+  private static string? s_currentFileVersion;
+
+  public static async Task<string> ComputeFileVersion()
+  {
+    if (s_currentFileVersion is not null)
+    {
+      return s_currentFileVersion;
+    }
+    var currentVersion = await ComputeVersion();
+    s_currentFileVersion = currentVersion.WithoutPrereleaseOrMetadata() + ".0";
+    return s_currentFileVersion;
+  }
+
+  public static async Task<string> GetPreviousTag(string currentTag)
+  {
+    //finds a tag starting with current tag and adds no abbrevation
+    var (lastTag, _) = await ReadAsync("git", $"describe --abbrev=0 --tags {currentTag}^");
+    lastTag = lastTag.Trim();
+
+    return lastTag;
+  }
+
+  private static SemVersion? s_previousVersion;
+
+  public static async Task<SemVersion> ComputePreviousVersion(string currentTag)
+  {
+    if (s_previousVersion is not null)
+    {
+      return s_previousVersion;
+    }
+    var lastTag = await GetPreviousTag(currentTag);
+
+    if (!SemVersion.TryParse(lastTag, SemVersionStyles.AllowLowerV, out var lastVersion))
+    {
+      throw new InvalidOperationException($"Could not parse version: '{lastTag}'");
+    }
+    s_previousVersion = lastVersion;
+    return s_previousVersion;
+  }
+}

Build/packages.lock.json

@@ -53,6 +53,15 @@
         "resolved": "1.14.1",
         "contentHash": "mOOmFYwad3MIOL14VCjj02LljyF1GNw1wP0YVlxtcPvqdxjGGMNdNJJxHptlry3MOd8b40Flm8RPOM8JOlN2sQ=="
       },
+      "Semver": {
+        "type": "Direct",
+        "requested": "[3.0.0, )",
+        "resolved": "3.0.0",
+        "contentHash": "9jZCicsVgTebqkAujRWtC9J1A5EQVlu0TVKHcgoCuv345ve5DYf4D1MjhKEnQjdRZo6x/vdv6QQrYFs7ilGzLA==",
+        "dependencies": {
+          "Microsoft.Extensions.Primitives": "5.0.1"
+        }
+      },
       "SimpleExec": {
         "type": "Direct",
         "requested": "[12.0.0, )",
@@ -75,6 +84,11 @@
         "resolved": "8.0.0",
         "contentHash": "bZKfSIKJRXLTuSzLudMFte/8CempWjVamNUR5eHJizsy+iuOuO/k2gnh7W0dHJmYY0tBf+gUErfluCv5mySAOQ=="
       },
+      "Microsoft.Extensions.Primitives": {
+        "type": "Transitive",
+        "resolved": "5.0.1",
+        "contentHash": "5WPSmL4YeP7eW+Vc8XZ4DwjYWBAiSwDV9Hm63JJWcz1Ie3Xjv4KuJXzgCstj48LkLfVCYa7mLcx7y+q6yqVvtw=="
+      },
       "Microsoft.NET.StringTools": {
         "type": "Transitive",
         "resolved": "17.11.4",

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Bindings/ArcGISSendBinding.cs

@@ -3,6 +3,7 @@ using System.Diagnostics.CodeAnalysis;
 using ArcGIS.Core.Data;
 using ArcGIS.Desktop.Core;
 using ArcGIS.Desktop.Editing.Events;
+using ArcGIS.Desktop.Framework.Threading.Tasks;
 using ArcGIS.Desktop.Mapping;
 using ArcGIS.Desktop.Mapping.Events;
 using Microsoft.Extensions.DependencyInjection;
@@ -45,6 +46,7 @@ public sealed class ArcGISSendBinding : ISendBinding
   private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
   private readonly IArcGISConversionSettingsFactory _arcGISConversionSettingsFactory;
   private readonly IThreadContext _threadContext;
+  private readonly ISpeckleApplication _speckleApplication;
 
   /// <summary>
   /// Used internally to aggregate the changed objects' id. Note we're using a concurrent dictionary here as the expiry check method is not thread safe, and this was causing problems. See:
@@ -70,6 +72,7 @@ public sealed class ArcGISSendBinding : ISendBinding
     IArcGISConversionSettingsFactory arcGisConversionSettingsFactory,
     MapMembersUtils mapMemberUtils,
     IThreadContext threadContext,
+    ISpeckleApplication speckleApplication,
     ITopLevelExceptionHandler topLevelExceptionHandler
   )
   {
@@ -84,6 +87,7 @@ public sealed class ArcGISSendBinding : ISendBinding
     _arcGISConversionSettingsFactory = arcGisConversionSettingsFactory;
     _mapMemberUtils = mapMemberUtils;
     _threadContext = threadContext;
+    _speckleApplication = speckleApplication;
 
     Parent = parent;
     Commands = new SendBindingUICommands(parent);
@@ -101,7 +105,7 @@ public sealed class ArcGISSendBinding : ISendBinding
     LayersRemovedEvent.Subscribe(
       a =>
         _topLevelExceptionHandler.FireAndForget(
-          async () => await _threadContext.RunOnWorkerAsync(async () => await GetIdsForLayersRemovedEvent(a))
+          async () => await QueuedTask.Run(async () => await GetIdsForLayersRemovedEvent(a))
         ),
       true
     );
@@ -109,7 +113,7 @@ public sealed class ArcGISSendBinding : ISendBinding
     StandaloneTablesRemovedEvent.Subscribe(
       a =>
         _topLevelExceptionHandler.FireAndForget(
-          async () => await _threadContext.RunOnWorkerAsync(async () => await GetIdsForStandaloneTablesRemovedEvent(a))
+          async () => await QueuedTask.Run(async () => await GetIdsForStandaloneTablesRemovedEvent(a))
         ),
       true
     );
@@ -117,7 +121,7 @@ public sealed class ArcGISSendBinding : ISendBinding
     MapPropertyChangedEvent.Subscribe(
       a =>
         _topLevelExceptionHandler.FireAndForget(
-          async () => await _threadContext.RunOnWorkerAsync(async () => await GetIdsForMapPropertyChangedEvent(a))
+          async () => await QueuedTask.Run(async () => await GetIdsForMapPropertyChangedEvent(a))
         ),
       true
     ); // Map units, CRS etc.
@@ -125,8 +129,7 @@ public sealed class ArcGISSendBinding : ISendBinding
     MapMemberPropertiesChangedEvent.Subscribe(
       a =>
         _topLevelExceptionHandler.FireAndForget(
-          async () =>
-            await _threadContext.RunOnWorkerAsync(async () => await GetIdsForMapMemberPropertiesChangedEvent(a))
+          async () => await QueuedTask.Run(async () => await GetIdsForMapMemberPropertiesChangedEvent(a))
         ),
       true
     ); // e.g. Layer name
@@ -135,7 +138,7 @@ public sealed class ArcGISSendBinding : ISendBinding
       _ =>
         _topLevelExceptionHandler.FireAndForget(async () =>
         {
-          await _threadContext.RunOnWorker(SubscribeToMapMembersDataSourceChange);
+          await QueuedTask.Run(SubscribeToMapMembersDataSourceChange);
         }),
       true
     );
@@ -376,21 +379,25 @@ public sealed class ArcGISSendBinding : ISendBinding
       using var cancellationItem = _cancellationManager.GetCancellationItem(modelCardId);
 
       using var scope = _serviceProvider.CreateScope();
-      scope
-        .ServiceProvider.GetRequiredService<IConverterSettingsStore<ArcGISConversionSettings>>()
-        .Initialize(
-          _arcGISConversionSettingsFactory.Create(
-            Project.Current,
-            MapView.Active.Map,
-            new CRSoffsetRotation(MapView.Active.Map)
-          )
-        );
-      List<MapMember> mapMembers = modelCard
-        .SendFilter.NotNull()
-        .RefreshObjectIds()
-        .Select(id => (MapMember)MapView.Active.Map.FindLayer(id) ?? MapView.Active.Map.FindStandaloneTable(id))
-        .Where(obj => obj != null)
-        .ToList();
+      List<MapMember> mapMembers = await QueuedTask.Run(() =>
+      {
+        scope
+          .ServiceProvider.GetRequiredService<IConverterSettingsStore<ArcGISConversionSettings>>()
+          .Initialize(
+            _arcGISConversionSettingsFactory.Create(
+              Project.Current,
+              MapView.Active.Map,
+              new CRSoffsetRotation(MapView.Active.Map)
+            )
+          );
+
+        return modelCard
+          .SendFilter.NotNull()
+          .RefreshObjectIds()
+          .Select(id => (MapMember)MapView.Active.Map.FindLayer(id) ?? MapView.Active.Map.FindStandaloneTable(id))
+          .Where(obj => obj != null)
+          .ToList();
+      });
 
       if (mapMembers.Count == 0)
       {
@@ -398,24 +405,27 @@ public sealed class ArcGISSendBinding : ISendBinding
         throw new SpeckleSendFilterException("No objects were found to convert. Please update your publish filter!");
       }
 
-      // subscribe to the selected layer events
-      foreach (MapMember mapMember in mapMembers)
+      await QueuedTask.Run(() =>
       {
-        if (mapMember is FeatureLayer featureLayer)
+        // subscribe to the selected layer events
+        foreach (MapMember mapMember in mapMembers)
         {
-          SubscribeToFeatureLayerDataSourceChange(featureLayer);
+          if (mapMember is FeatureLayer featureLayer)
+          {
+            SubscribeToFeatureLayerDataSourceChange(featureLayer);
+          }
+          else if (mapMember is StandaloneTable table)
+          {
+            SubscribeToTableDataSourceChange(table);
+          }
         }
-        else if (mapMember is StandaloneTable table)
-        {
-          SubscribeToTableDataSourceChange(table);
-        }
-      }
+      });
 
       var sendResult = await scope
         .ServiceProvider.GetRequiredService<SendOperation<MapMember>>()
         .Execute(
           mapMembers,
-          modelCard.GetSendInfo("ArcGIS"), // POC: get host app name from settings? same for GetReceiveInfo
+          modelCard.GetSendInfo(_speckleApplication.ApplicationAndVersion),
           _operationProgressManager.CreateOperationProgressEventHandler(Parent, modelCardId, cancellationItem.Token),
           cancellationItem.Token
         );

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Bindings/BasicConnectorBinding.cs

@@ -1,4 +1,5 @@
 using ArcGIS.Core.Data;
+using ArcGIS.Desktop.Framework.Threading.Tasks;
 using ArcGIS.Desktop.Mapping;
 using Speckle.Connectors.ArcGIS.Utils;
 using Speckle.Connectors.DUI.Bindings;
@@ -66,19 +67,20 @@ public class BasicConnectorBinding : IBasicConnectorBinding
 
   public void RemoveModel(ModelCard model) => _store.RemoveModel(model);
 
-  public Task HighlightObjects(IReadOnlyList<string> objectIds)
+  public void RemoveModels(List<ModelCard> models) => _store.RemoveModels(models);
+
+  public async Task HighlightObjects(IReadOnlyList<string> objectIds)
   {
-    HighlightObjectsOnView(objectIds.Select(x => new ObjectID(x)).ToList());
-    return Task.CompletedTask;
+    await HighlightObjectsOnView(objectIds.Select(x => new ObjectID(x)).ToList());
   }
 
-  public Task HighlightModel(string modelCardId)
+  public async Task HighlightModel(string modelCardId)
   {
     var model = _store.GetModelById(modelCardId);
 
     if (model is null)
     {
-      return Task.CompletedTask;
+      return;
     }
 
     var objectIds = new List<ObjectID>();
@@ -95,22 +97,24 @@ public class BasicConnectorBinding : IBasicConnectorBinding
 
     if (objectIds is null)
     {
-      return Task.CompletedTask;
+      return;
     }
-    HighlightObjectsOnView(objectIds);
-    return Task.CompletedTask;
+    await HighlightObjectsOnView(objectIds);
   }
 
-  private void HighlightObjectsOnView(IReadOnlyList<ObjectID> objectIds)
+  private async Task HighlightObjectsOnView(IReadOnlyList<ObjectID> objectIds)
   {
-    MapView mapView = MapView.Active;
+    await QueuedTask.Run(() =>
+    {
+      MapView mapView = MapView.Active;
 
-    List<MapMemberFeature> mapMembersFeatures = GetMapMembers(objectIds, mapView);
-    ClearSelectionInTOC();
-    ClearSelection();
-    SelectMapMembersInTOC(mapMembersFeatures);
-    SelectMapMembersAndFeatures(mapMembersFeatures);
-    mapView.ZoomToSelected();
+      List<MapMemberFeature> mapMembersFeatures = GetMapMembers(objectIds, mapView);
+      ClearSelectionInTOC();
+      ClearSelection();
+      SelectMapMembersInTOC(mapMembersFeatures);
+      SelectMapMembersAndFeatures(mapMembersFeatures);
+      mapView.ZoomToSelected();
+    });
   }
 
   private List<MapMemberFeature> GetMapMembers(IReadOnlyList<ObjectID> objectIds, MapView mapView)

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/DependencyInjection/ArcGISConnectorModule.cs

@@ -10,6 +10,7 @@ using Speckle.Connectors.Common;
 using Speckle.Connectors.Common.Builders;
 using Speckle.Connectors.Common.Caching;
 using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.Common.Threading;
 using Speckle.Connectors.DUI;
 using Speckle.Connectors.DUI.Bindings;
 using Speckle.Connectors.DUI.Models.Card.SendFilter;
@@ -27,7 +28,7 @@ public static class ArcGISConnectorModule
   public static void AddArcGIS(this IServiceCollection serviceCollection)
   {
     serviceCollection.AddConnectorUtils();
-    serviceCollection.AddDUI<ArcGISThreadContext, ArcGISDocumentStore>();
+    serviceCollection.AddDUI<DefaultThreadContext, ArcGISDocumentStore>();
     serviceCollection.AddDUIView();
 
     // Register bindings

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/HostApp/ArcGISColorUnpacker.cs

@@ -184,6 +184,7 @@ public class ArcGISColorUnpacker
     if (StoredColor is int existingColorProxyId)
     {
       AddObjectIdToColorProxyCache(rowApplicationId, existingColorProxyId);
+      return;
     }
 
     // get the color from the renderer and row

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Operations/Receive/ArcGISHostObjectBuilder.cs

@@ -1,6 +1,7 @@
 using System.Diagnostics.Contracts;
 using ArcGIS.Core.CIM;
 using ArcGIS.Core.Geometry;
+using ArcGIS.Desktop.Framework.Threading.Tasks;
 using ArcGIS.Desktop.Mapping;
 using Speckle.Connectors.ArcGIS.HostApp;
 using Speckle.Connectors.ArcGIS.Utils;
@@ -60,6 +61,19 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
     IProgress<CardProgress> onOperationProgressed,
     CancellationToken cancellationToken
   )
+  {
+    return QueuedTask.Run(
+      () => BuildInternal(rootObject, projectName, modelName, onOperationProgressed, cancellationToken)
+    );
+  }
+
+  private HostObjectBuilderResult BuildInternal(
+    Base rootObject,
+    string projectName,
+    string modelName,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  )
   {
     // TODO get spatialRef and offsets & rotation from ProjectInfo in CommitObject
     // ATM, GIS commit CRS is stored per layer (in FeatureClass converter), but should be moved to the Root level too
@@ -226,7 +240,7 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
     bakedObjectIds.AddRange(createdLayerGroups.Values.Select(x => x.URI));
 
     // TODO: validated a correct set regarding bakedobject ids
-    return Task.FromResult(new HostObjectBuilderResult(bakedObjectIds, results));
+    return new HostObjectBuilderResult(bakedObjectIds, results);
   }
 
   private IReadOnlyCollection<LocalToGlobalMap> GetObjectsToConvert(Base rootObject)

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Operations/Send/ArcGISRootObjectBuilder.cs

@@ -1,5 +1,6 @@
 using ArcGIS.Core.Data.Raster;
 using ArcGIS.Core.Geometry;
+using ArcGIS.Desktop.Framework.Threading.Tasks;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.ArcGIS.HostApp;
 using Speckle.Connectors.ArcGIS.HostApp.Extensions;
@@ -49,7 +50,14 @@ public class ArcGISRootObjectBuilder : IRootObjectBuilder<ADM.MapMember>
     _mapMemberUtils = mapMemberUtils;
   }
 
-  public async Task<RootObjectBuilderResult> Build(
+  public Task<RootObjectBuilderResult> Build(
+    IReadOnlyList<ADM.MapMember> layers,
+    SendInfo __,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  ) => QueuedTask.Run(() => BuildInternal(layers, __, onOperationProgressed, cancellationToken));
+
+  private async Task<RootObjectBuilderResult> BuildInternal(
     IReadOnlyList<ADM.MapMember> layers,
     SendInfo __,
     IProgress<CardProgress> onOperationProgressed,
@@ -94,19 +102,26 @@ public class ArcGISRootObjectBuilder : IRootObjectBuilder<ADM.MapMember>
     // We need to unpack the selected mapmembers into all leaf-level mapmembers (containing just objects) and build the root collection structure during unpacking.
     // Mapmember dynamically attached properties are also added at this step.
     List<ADM.MapMember> unpackedLayers;
+    Dictionary<ADM.MapMember, long> layersWithFeatureCount;
+    long allFeaturesCount;
     ADM.Map map = ADM.MapView.Active.Map;
     IEnumerable<ADM.MapMember> layersOrdered = _mapMemberUtils.GetMapMembersInOrder(map, layers);
     using (var _ = _activityFactory.Start("Unpacking selection"))
     {
       unpackedLayers = _layerUnpacker.UnpackSelection(layersOrdered, rootCollection);
+
+      // count number of features to convert. Raster layers are counter as 1 feature for now (not ideal)
+      layersWithFeatureCount = CountAllFeaturesInLayers(unpackedLayers);
+      allFeaturesCount = layersWithFeatureCount.Values.Sum();
     }
 
     List<SendConversionResult> results = new(unpackedLayers.Count);
     onOperationProgressed.Report(new("Converting", null));
     using (var convertingActivity = _activityFactory.Start("Converting objects"))
     {
-      int count = 0;
-      foreach (ADM.MapMember layer in unpackedLayers)
+      long count = 0;
+
+      foreach (var (layer, layerFeatureCount) in layersWithFeatureCount)
       {
         cancellationToken.ThrowIfCancellationRequested();
         string layerApplicationId = layer.GetSpeckleApplicationId();
@@ -134,15 +149,33 @@ public class ArcGISRootObjectBuilder : IRootObjectBuilder<ADM.MapMember>
             switch (layer)
             {
               case ADM.FeatureLayer featureLayer:
-                List<Base> convertedFeatureLayerObjects = ConvertFeatureLayerObjects(featureLayer);
+                List<Base> convertedFeatureLayerObjects = ConvertFeatureLayerObjects(
+                  featureLayer,
+                  count,
+                  allFeaturesCount,
+                  onOperationProgressed,
+                  cancellationToken
+                );
                 layerCollection.elements.AddRange(convertedFeatureLayerObjects);
                 break;
               case ADM.RasterLayer rasterLayer:
-                List<Base> convertedRasterLayerObjects = ConvertRasterLayerObjects(rasterLayer);
+                List<Base> convertedRasterLayerObjects = ConvertRasterLayerObjects(
+                  rasterLayer,
+                  count,
+                  allFeaturesCount,
+                  onOperationProgressed,
+                  cancellationToken
+                );
                 layerCollection.elements.AddRange(convertedRasterLayerObjects);
                 break;
               case ADM.LasDatasetLayer lasDatasetLayer:
-                List<Base> convertedLasDatasetObjects = ConvertLasDatasetLayerObjects(lasDatasetLayer);
+                List<Base> convertedLasDatasetObjects = ConvertLasDatasetLayerObjects(
+                  lasDatasetLayer,
+                  count,
+                  allFeaturesCount,
+                  onOperationProgressed,
+                  cancellationToken
+                );
                 layerCollection.elements.AddRange(convertedLasDatasetObjects);
                 break;
               default:
@@ -150,6 +183,8 @@ public class ArcGISRootObjectBuilder : IRootObjectBuilder<ADM.MapMember>
                 sdkStatus = SdkActivityStatusCode.Error;
                 break;
             }
+
+            count += layerFeatureCount;
             results.Add(new(status, layerApplicationId, layer.GetType().Name, layerCollection));
             convertingActivity?.SetStatus(sdkStatus);
           }
@@ -166,7 +201,6 @@ public class ArcGISRootObjectBuilder : IRootObjectBuilder<ADM.MapMember>
           convertingActivity?.RecordException(ex);
         }
 
-        onOperationProgressed.Report(new("Converting", (double)++count / layers.Count));
         await Task.Yield();
       }
     }
@@ -182,7 +216,41 @@ public class ArcGISRootObjectBuilder : IRootObjectBuilder<ADM.MapMember>
     return new RootObjectBuilderResult(rootCollection, results);
   }
 
-  private List<Base> ConvertFeatureLayerObjects(ADM.FeatureLayer featureLayer)
+  private Dictionary<ADM.MapMember, long> CountAllFeaturesInLayers(List<ADM.MapMember> unpackedLayers)
+  {
+    Dictionary<ADM.MapMember, long> layersFeatureCount = new();
+
+    foreach (ADM.MapMember layer in unpackedLayers)
+    {
+      switch (layer)
+      {
+        case ADM.FeatureLayer featureLayer:
+          layersFeatureCount.Add(featureLayer, featureLayer.GetFeatureClass().GetCount());
+          break;
+        case ADM.RasterLayer rasterLayer:
+          // count Raster layer as 1 feature: not optimal but this is the approach for now
+          layersFeatureCount.Add(rasterLayer, 1);
+          break;
+        case ADM.LasDatasetLayer lasDatasetLayer:
+          var dataset = lasDatasetLayer.GetLasDataset();
+          // simple dataset.GetPointCount() keeps returning null, so switched to EstimatePointCount
+          layersFeatureCount.Add(
+            lasDatasetLayer,
+            (long)dataset.EstimatePointCount(dataset.GetDefinition().GetExtent())
+          );
+          break;
+      }
+    }
+    return layersFeatureCount;
+  }
+
+  private List<Base> ConvertFeatureLayerObjects(
+    ADM.FeatureLayer featureLayer,
+    long count,
+    long allFeaturesCount,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  )
   {
     string layerApplicationId = featureLayer.GetSpeckleApplicationId();
     List<Base> convertedObjects = new();
@@ -196,6 +264,9 @@ public class ArcGISRootObjectBuilder : IRootObjectBuilder<ADM.MapMember>
     {
       while (rowCursor.MoveNext())
       {
+        // allow cancellation before every feature
+        cancellationToken.ThrowIfCancellationRequested();
+
         // Same IDisposable issue appears to happen on Row class too. Docs say it should always be disposed of manually by the caller.
         using (ACD.Row row = rowCursor.Current)
         {
@@ -209,6 +280,8 @@ public class ArcGISRootObjectBuilder : IRootObjectBuilder<ADM.MapMember>
           // process the object color
           _colorUnpacker.ProcessFeatureLayerColor(row, applicationId);
         }
+        // update report
+        onOperationProgressed.Report(new("Converting", (double)++count / allFeaturesCount));
       }
     }
 
@@ -216,19 +289,38 @@ public class ArcGISRootObjectBuilder : IRootObjectBuilder<ADM.MapMember>
   }
 
   // POC: raster colors are stored as mesh vertex colors in RasterToSpeckleConverter. Should probably move to color unpacker.
-  private List<Base> ConvertRasterLayerObjects(ADM.RasterLayer rasterLayer)
+  private List<Base> ConvertRasterLayerObjects(
+    ADM.RasterLayer rasterLayer,
+    long count,
+    long allFeaturesCount,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  )
   {
     string layerApplicationId = rasterLayer.GetSpeckleApplicationId();
     List<Base> convertedObjects = new();
     Raster raster = rasterLayer.GetRaster();
+
+    // check cancellation token before conversion
+    cancellationToken.ThrowIfCancellationRequested();
     Base converted = _rootToSpeckleConverter.Convert(raster);
     string applicationId = raster.GetSpeckleApplicationId(layerApplicationId);
     converted.applicationId = applicationId;
     convertedObjects.Add(converted);
+
+    // update report
+    onOperationProgressed.Report(new("Converting", (double)++count / allFeaturesCount));
+
     return convertedObjects;
   }
 
-  private List<Base> ConvertLasDatasetLayerObjects(ADM.LasDatasetLayer lasDatasetLayer)
+  private List<Base> ConvertLasDatasetLayerObjects(
+    ADM.LasDatasetLayer lasDatasetLayer,
+    long count,
+    long allFeaturesCount,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  )
   {
     string layerApplicationId = lasDatasetLayer.GetSpeckleApplicationId();
     List<Base> convertedObjects = new();
@@ -242,6 +334,9 @@ public class ArcGISRootObjectBuilder : IRootObjectBuilder<ADM.MapMember>
       {
         while (ptCursor.MoveNext())
         {
+          // allow cancellation before every point
+          cancellationToken.ThrowIfCancellationRequested();
+
           using (ACD.Analyst3D.LasPoint pt = ptCursor.Current)
           {
             Base converted = _rootToSpeckleConverter.Convert(pt);
@@ -252,6 +347,8 @@ public class ArcGISRootObjectBuilder : IRootObjectBuilder<ADM.MapMember>
             // process the object color
             _colorUnpacker.ProcessLasLayerColor(pt, applicationId);
           }
+          // update report
+          onOperationProgressed.Report(new("Converting", (double)++count / allFeaturesCount));
         }
       }
     }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Utils/ArcGISThreadContext.cs

@@ -1,36 +0,0 @@
-using ArcGIS.Desktop.Framework.Threading.Tasks;
-using Speckle.Connectors.Common.Threading;
-
-namespace Speckle.Connectors.ArcGIS.Utils;
-
-//don't check for GUI as it's the same check we do in ThreadContext
-public class ArcGISThreadContext : ThreadContext
-{
-  protected override Task<T> MainToWorkerAsync<T>(Func<Task<T>> action)
-  {
-    if (QueuedTask.OnWorker)
-    {
-      return action();
-    }
-    else
-    {
-      return QueuedTask.Run(async () => await action());
-    }
-  }
-
-  protected override Task<T> WorkerToMainAsync<T>(Func<Task<T>> action) => QueuedTask.Run(async () => await action());
-
-  protected override Task<T> MainToWorker<T>(Func<T> action)
-  {
-    if (QueuedTask.OnWorker)
-    {
-      return Task.FromResult(action());
-    }
-    else
-    {
-      return QueuedTask.Run(action);
-    }
-  }
-
-  protected override Task<T> WorkerToMain<T>(Func<T> action) => QueuedTask.Run(action);
-}

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Utils/ArcGisDocumentStore.cs

@@ -1,5 +1,6 @@
 using System.Xml.Linq;
 using ArcGIS.Desktop.Core.Events;
+using ArcGIS.Desktop.Framework.Threading.Tasks;
 using ArcGIS.Desktop.Mapping;
 using ArcGIS.Desktop.Mapping.Events;
 using Speckle.Connectors.Common.Threading;
@@ -82,8 +83,8 @@ public class ArcGISDocumentStore : DocumentModelStore
   }
 
   protected override void HostAppSaveState(string modelCardState) =>
-    _threadContext
-      .RunOnWorker(() =>
+    QueuedTask
+      .Run(() =>
       {
         Map map = MapView.Active.Map;
         // Read existing metadata - To prevent messing existing metadata. 🤞 Hope other add-in developers will do same :D
@@ -112,8 +113,8 @@ public class ArcGISDocumentStore : DocumentModelStore
       .FireAndForget();
 
   protected override void LoadState() =>
-    _threadContext
-      .RunOnWorker(() =>
+    QueuedTask
+      .Run(() =>
       {
         Map map = MapView.Active.Map;
         var metadata = map.GetMetadata();

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/packages.lock.json

@@ -221,14 +221,21 @@
         "resolved": "4.5.1",
         "contentHash": "Zh8t8oqolRaFa9vmOZfdQm/qKejdqz0J9kr7o2Fu0vPeoH3BL1EOXipKWwkWtLT1JPzjByrF19fGuFlNbmPpiw=="
       },
+      "speckle.common.meshtriangulation": {
+        "type": "Project",
+        "dependencies": {
+          "LibTessDotNet": "[1.1.15, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )"
+        }
+      },
       "speckle.connectors.common": {
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -236,8 +243,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -254,6 +261,7 @@
         "type": "Project",
         "dependencies": {
           "Esri.ArcGISPro.Extensions30": "[3.2.0.49743, )",
+          "Speckle.Common.MeshTriangulation": "[1.0.0, )",
           "Speckle.Converters.Common": "[1.0.0, )"
         }
       },
@@ -261,9 +269,15 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
+      "LibTessDotNet": {
+        "type": "CentralTransitive",
+        "requested": "[1.1.15, )",
+        "resolved": "1.1.15",
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+      },
       "Microsoft.Extensions.DependencyInjection": {
         "type": "CentralTransitive",
         "requested": "[2.2.0, )",
@@ -294,40 +308,40 @@
       "Speckle.DoubleNumerics": {
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         "requested": "[4.1.0, )",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
+        "resolved": "4.1.0",
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-        "resolved": "3.1.0-dev.255",
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+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
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         "dependencies": {
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+          "Speckle.Sdk": "3.1.8"
         }
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       "Speckle.Sdk": {
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-        "requested": "[3.1.0-dev.255, )",
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+        "resolved": "3.1.8",
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-          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0]",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
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-          "Microsoft.Data.Sqlite": "[7.0.5]",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
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       "Speckle.Sdk.Dependencies": {
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+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
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       }
     },
     "net6.0-windows7.0/win-x64": {

Connectors/Autocad/Speckle.Connectors.Autocad2022/Speckle.Connectors.Autocad2022.csproj

@@ -11,7 +11,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2022.0.2" />
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2022.0.2" ExcludeAssets="runtime"/>
   </ItemGroup>  
   
   <ItemGroup>

Connectors/Autocad/Speckle.Connectors.Autocad2022/packages.lock.json

@@ -259,9 +259,9 @@
         "dependencies": {
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           "Speckle.Connectors.Logging": "[1.0.0, )",
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-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
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       },
       "speckle.connectors.dui": {
@@ -269,8 +269,8 @@
         "dependencies": {
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           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -294,7 +294,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -333,40 +333,40 @@
       "Speckle.DoubleNumerics": {
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+        "resolved": "4.1.0",
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+        "resolved": "3.1.8",
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         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.255"
+          "Speckle.Sdk": "3.1.8"
         }
       },
       "Speckle.Sdk": {
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-        "requested": "[3.1.0-dev.255, )",
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+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "qIYRiYHO2UkKuy8ZbjYltKCqLesIcJOcCGTEzyTCbyij5aC1x8HnwFjGMeonUCPaeipEKhI/4HidEZ0CwWvnXg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0]",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "[7.0.5]",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
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+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "+MWIemub3nlPnDJ7sHl5nDGFDIIfiBU2VxqNmTGKzWNtCjsDi6KYw5zpbvXnaNcIqFoexv3TKCurjvT2ejzyQw=="
       }
     }
   }

Connectors/Autocad/Speckle.Connectors.Autocad2023/Speckle.Connectors.Autocad2023.csproj

@@ -11,7 +11,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2023.0.0" />
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2023.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>  
   
   <ItemGroup>

Connectors/Autocad/Speckle.Connectors.Autocad2023/packages.lock.json

@@ -259,9 +259,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -269,8 +269,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -294,7 +294,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -333,40 +333,40 @@
       "Speckle.DoubleNumerics": {
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         "requested": "[4.1.0, )",
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+        "resolved": "4.1.0",
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+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
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         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.255"
+          "Speckle.Sdk": "3.1.8"
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-        "requested": "[3.1.0-dev.255, )",
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+        "resolved": "3.1.8",
+        "contentHash": "qIYRiYHO2UkKuy8ZbjYltKCqLesIcJOcCGTEzyTCbyij5aC1x8HnwFjGMeonUCPaeipEKhI/4HidEZ0CwWvnXg==",
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-          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0]",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "[7.0.5]",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
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+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "+MWIemub3nlPnDJ7sHl5nDGFDIIfiBU2VxqNmTGKzWNtCjsDi6KYw5zpbvXnaNcIqFoexv3TKCurjvT2ejzyQw=="
       }
     }
   }

Connectors/Autocad/Speckle.Connectors.Autocad2024/Speckle.Connectors.Autocad2024.csproj

@@ -11,7 +11,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2024.0.0" />
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2024.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>  
   
   <ItemGroup>   

Connectors/Autocad/Speckle.Connectors.Autocad2024/packages.lock.json

@@ -259,9 +259,9 @@
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-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -269,8 +269,8 @@
         "dependencies": {
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-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -295,7 +295,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
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       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -334,40 +334,40 @@
       "Speckle.DoubleNumerics": {
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+          "Speckle.Sdk": "3.1.8"
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+        "resolved": "3.1.8",
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+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
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-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
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-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
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       },
       "Speckle.Sdk.Dependencies": {
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       }
     }
   }

Connectors/Autocad/Speckle.Connectors.Autocad2025/Speckle.Connectors.Autocad2025.csproj

@@ -13,8 +13,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2025.0.0" />
-    <FrameworkReference Include="Microsoft.WindowsDesktop.App"/>
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2025.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>  
   
   <ItemGroup>   

Connectors/Autocad/Speckle.Connectors.Autocad2025/packages.lock.json

@@ -215,9 +215,9 @@
         "dependencies": {
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-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -225,8 +225,8 @@
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-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -251,7 +251,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -290,39 +290,39 @@
       "Speckle.DoubleNumerics": {
         "type": "CentralTransitive",
         "requested": "[4.1.0, )",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "0S9YVdu5nx7SYS0y5Gq1nwCbxfYB2UxsUUCskaGmzRAm+QzHGqCLYHgadz7Sw5mNAF3bOTLVrOYMzyLAWFWxJA==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "rM1t+E8NIWFCPC3ndnMAI71B9ONiPFsz6GuIIdc5kth5AggQRGArPCalJBwA33ith2WtbjWOanI+PhHmpGQgGw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.255"
+          "Speckle.Sdk": "3.1.8"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "TsFpIv8ipvOD/r0se1XmcNPo7t5dWVadwV32Z6vUqoW3s94VIE54/ZTHNkRCEYHFhfOyTcFfbLegiei+0D13bQ==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "qIYRiYHO2UkKuy8ZbjYltKCqLesIcJOcCGTEzyTCbyij5aC1x8HnwFjGMeonUCPaeipEKhI/4HidEZ0CwWvnXg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "[7.0.5]",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "koFeWc/EB2XrMH2aKl2Hqwrqk/fAGYEVKgxFlFpnEAsbZf7Kk57gBQ3ViV5l6X9vqMHGWFc4dWUp24diq/XPtQ=="
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "+MWIemub3nlPnDJ7sHl5nDGFDIIfiBU2VxqNmTGKzWNtCjsDi6KYw5zpbvXnaNcIqFoexv3TKCurjvT2ejzyQw=="
       }
     },
     "net8.0-windows7.0/win-x64": {

Connectors/Autocad/Speckle.Connectors.AutocadShared/Bindings/AutocadBasicConnectorBinding.cs

@@ -79,6 +79,8 @@ public class AutocadBasicConnectorBinding : IBasicConnectorBinding
 
   public void RemoveModel(ModelCard model) => _store.RemoveModel(model);
 
+  public void RemoveModels(List<ModelCard> models) => _store.RemoveModels(models);
+
   public async Task HighlightObjects(IReadOnlyList<string> objectIds)
   {
     // POC: Will be addressed to move it into AutocadContext!

Connectors/Autocad/Speckle.Connectors.AutocadShared/Bindings/AutocadReceiveBaseBinding.cs

@@ -0,0 +1,119 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Common.Cancellation;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.Common.Threading;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Logging;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Models.Card;
+using Speckle.Sdk;
+
+namespace Speckle.Connectors.Autocad.Bindings;
+
+public abstract class AutocadReceiveBaseBinding : IReceiveBinding
+{
+  public string Name => "receiveBinding";
+  public IBrowserBridge Parent { get; }
+
+  private readonly DocumentModelStore _store;
+  private readonly ICancellationManager _cancellationManager;
+  private readonly IServiceProvider _serviceProvider;
+  private readonly IOperationProgressManager _operationProgressManager;
+  private readonly ILogger<AutocadReceiveBinding> _logger;
+  private readonly ISpeckleApplication _speckleApplication;
+  private readonly IThreadContext _threadContext;
+
+  private ReceiveBindingUICommands Commands { get; }
+
+  protected AutocadReceiveBaseBinding(
+    DocumentModelStore store,
+    IBrowserBridge parent,
+    ICancellationManager cancellationManager,
+    IServiceProvider serviceProvider,
+    IOperationProgressManager operationProgressManager,
+    ILogger<AutocadReceiveBinding> logger,
+    ISpeckleApplication speckleApplication,
+    IThreadContext threadContext
+  )
+  {
+    _store = store;
+    _cancellationManager = cancellationManager;
+    _serviceProvider = serviceProvider;
+    _operationProgressManager = operationProgressManager;
+    _logger = logger;
+    _speckleApplication = speckleApplication;
+    _threadContext = threadContext;
+    Parent = parent;
+    Commands = new ReceiveBindingUICommands(parent);
+  }
+
+  protected abstract void InitializeSettings(IServiceProvider serviceProvider);
+
+  public void CancelReceive(string modelCardId) => _cancellationManager.CancelOperation(modelCardId);
+
+  public async Task Receive(string modelCardId) =>
+    await _threadContext.RunOnMainAsync(async () => await ReceiveInternal(modelCardId));
+
+  private async Task ReceiveInternal(string modelCardId)
+  {
+    using var scope = _serviceProvider.CreateScope();
+    InitializeSettings(scope.ServiceProvider);
+
+    try
+    {
+      // Get receiver card
+      if (_store.GetModelById(modelCardId) is not ReceiverModelCard modelCard)
+      {
+        // Handle as GLOBAL ERROR at BrowserBridge
+        throw new InvalidOperationException("No download model card was found.");
+      }
+
+      using var cancellationItem = _cancellationManager.GetCancellationItem(modelCardId);
+
+      // Disable document activation (document creation and document switch)
+      // Not disabling results in DUI model card being out of sync with the active document
+      // The DocumentActivated event isn't usable probably because it is pushed to back of main thread queue
+      Application.DocumentManager.DocumentActivationEnabled = false;
+
+      // Receive host objects
+      var operationResults = await scope
+        .ServiceProvider.GetRequiredService<ReceiveOperation>()
+        .Execute(
+          modelCard.GetReceiveInfo(_speckleApplication.Slug),
+          _operationProgressManager.CreateOperationProgressEventHandler(Parent, modelCardId, cancellationItem.Token),
+          cancellationItem.Token
+        );
+
+      await Commands.SetModelReceiveResult(
+        modelCardId,
+        operationResults.BakedObjectIds,
+        operationResults.ConversionResults
+      );
+    }
+    catch (OperationCanceledException)
+    {
+      // SWALLOW -> UI handles it immediately, so we do not need to handle anything for now!
+      // Idea for later -> when cancel called, create promise from UI to solve it later with this catch block.
+      // So have 3 state on UI -> Cancellation clicked -> Cancelling -> Cancelled
+      return;
+    }
+    catch (Exception ex) when (!ex.IsFatal()) // UX reasons - we will report operation exceptions as model card error. We may change this later when we have more exception documentation
+    {
+      _logger.LogModelCardHandledError(ex);
+      await Commands.SetModelError(modelCardId, ex);
+    }
+    finally
+    {
+      // reenable document activation
+      Application.DocumentManager.DocumentActivationEnabled = true;
+
+      // regenerate doc to flush graphics, sometimes some objects (ellipses, nurbs curves) do not appear fully visible after receive.
+      // Adding a regen (must be run on main thread) here, but it doesn't seem to work:
+      // it's run on main thread, tried sending the "regen" string to execute, also tried regen after every object bake, but still can't fix.
+      // the objects should appear visible if you manually call the "regen" command after the operation finishes, or click on a view on the view cube which also calls regen.
+      Application.DocumentManager.CurrentDocument.Editor.Regen();
+    }
+  }
+}

Connectors/Autocad/Speckle.Connectors.AutocadShared/Bindings/AutocadReceiveBinding.cs

@@ -1,34 +1,19 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Common.Cancellation;
-using Speckle.Connectors.Common.Operations;
 using Speckle.Connectors.Common.Threading;
 using Speckle.Connectors.DUI.Bindings;
 using Speckle.Connectors.DUI.Bridge;
-using Speckle.Connectors.DUI.Logging;
 using Speckle.Connectors.DUI.Models;
-using Speckle.Connectors.DUI.Models.Card;
 using Speckle.Converters.Autocad;
 using Speckle.Converters.Common;
 using Speckle.Sdk;
 
 namespace Speckle.Connectors.Autocad.Bindings;
 
-public sealed class AutocadReceiveBinding : IReceiveBinding
+public sealed class AutocadReceiveBinding : AutocadReceiveBaseBinding
 {
-  public string Name => "receiveBinding";
-  public IBrowserBridge Parent { get; }
-
-  private readonly DocumentModelStore _store;
-  private readonly ICancellationManager _cancellationManager;
-  private readonly IServiceProvider _serviceProvider;
-  private readonly IOperationProgressManager _operationProgressManager;
-  private readonly ILogger<AutocadReceiveBinding> _logger;
   private readonly IAutocadConversionSettingsFactory _autocadConversionSettingsFactory;
-  private readonly ISpeckleApplication _speckleApplication;
-  private readonly IThreadContext _threadContext;
-
-  private ReceiveBindingUICommands Commands { get; }
 
   public AutocadReceiveBinding(
     DocumentModelStore store,
@@ -41,77 +26,24 @@ public sealed class AutocadReceiveBinding : IReceiveBinding
     ISpeckleApplication speckleApplication,
     IThreadContext threadContext
   )
+    : base(
+      store,
+      parent,
+      cancellationManager,
+      serviceProvider,
+      operationProgressManager,
+      logger,
+      speckleApplication,
+      threadContext
+    )
   {
-    _store = store;
-    _cancellationManager = cancellationManager;
-    _serviceProvider = serviceProvider;
-    _operationProgressManager = operationProgressManager;
-    _logger = logger;
     _autocadConversionSettingsFactory = autocadConversionSettingsFactory;
-    _speckleApplication = speckleApplication;
-    _threadContext = threadContext;
-    Parent = parent;
-    Commands = new ReceiveBindingUICommands(parent);
   }
 
-  public void CancelReceive(string modelCardId) => _cancellationManager.CancelOperation(modelCardId);
-
-  public async Task Receive(string modelCardId) =>
-    await _threadContext.RunOnMainAsync(async () => await ReceiveInternal(modelCardId));
-
-  public async Task ReceiveInternal(string modelCardId)
+  protected override void InitializeSettings(IServiceProvider serviceProvider)
   {
-    using var scope = _serviceProvider.CreateScope();
-    scope
-      .ServiceProvider.GetRequiredService<IConverterSettingsStore<AutocadConversionSettings>>()
+    serviceProvider
+      .GetRequiredService<IConverterSettingsStore<AutocadConversionSettings>>()
       .Initialize(_autocadConversionSettingsFactory.Create(Application.DocumentManager.CurrentDocument));
-    try
-    {
-      // Get receiver card
-      if (_store.GetModelById(modelCardId) is not ReceiverModelCard modelCard)
-      {
-        // Handle as GLOBAL ERROR at BrowserBridge
-        throw new InvalidOperationException("No download model card was found.");
-      }
-
-      using var cancellationItem = _cancellationManager.GetCancellationItem(modelCardId);
-
-      // Disable document activation (document creation and document switch)
-      // Not disabling results in DUI model card being out of sync with the active document
-      // The DocumentActivated event isn't usable probably because it is pushed to back of main thread queue
-      Application.DocumentManager.DocumentActivationEnabled = false;
-
-      // Receive host objects
-      var operationResults = await scope
-        .ServiceProvider.GetRequiredService<ReceiveOperation>()
-        .Execute(
-          modelCard.GetReceiveInfo(_speckleApplication.Slug),
-          _operationProgressManager.CreateOperationProgressEventHandler(Parent, modelCardId, cancellationItem.Token),
-          cancellationItem.Token
-        );
-
-      await Commands.SetModelReceiveResult(
-        modelCardId,
-        operationResults.BakedObjectIds,
-        operationResults.ConversionResults
-      );
-    }
-    catch (OperationCanceledException)
-    {
-      // SWALLOW -> UI handles it immediately, so we do not need to handle anything for now!
-      // Idea for later -> when cancel called, create promise from UI to solve it later with this catch block.
-      // So have 3 state on UI -> Cancellation clicked -> Cancelling -> Cancelled
-      return;
-    }
-    catch (Exception ex) when (!ex.IsFatal()) // UX reasons - we will report operation exceptions as model card error. We may change this later when we have more exception documentation
-    {
-      _logger.LogModelCardHandledError(ex);
-      await Commands.SetModelError(modelCardId, ex);
-    }
-    finally
-    {
-      // reenable document activation
-      Application.DocumentManager.DocumentActivationEnabled = true;
-    }
   }
 }

Connectors/Autocad/Speckle.Connectors.AutocadShared/Bindings/AutocadSendBaseBinding.cs

@@ -48,7 +48,7 @@ public abstract class AutocadSendBaseBinding : ISendBinding
   /// As to why a concurrent dictionary, it's because it's the cheapest/easiest way to do so.
   /// https://stackoverflow.com/questions/18922985/concurrent-hashsett-in-net-framework
   /// </summary>
-  private ConcurrentDictionary<string, byte> ChangedObjectIds { get; set; } = new();
+  private ConcurrentBag<string> ChangedObjectIds { get; set; } = new();
 
   protected AutocadSendBaseBinding(
     DocumentModelStore store,
@@ -114,21 +114,20 @@ public abstract class AutocadSendBaseBinding : ISendBinding
 
   private void OnChangeChangedObjectIds(DBObject dBObject)
   {
-    ChangedObjectIds[dBObject.GetSpeckleApplicationId()] = 1;
-    _idleManager.SubscribeToIdle(nameof(AutocadSendBinding), async () => await RunExpirationChecks());
+    ChangedObjectIds.Add(dBObject.GetSpeckleApplicationId());
+    _idleManager.SubscribeToIdle(nameof(RunExpirationChecks), async () => await RunExpirationChecks());
   }
 
   private async Task RunExpirationChecks()
   {
     var senders = _store.GetSenders();
-    string[] objectIdsList = ChangedObjectIds.Keys.ToArray();
     List<string> expiredSenderIds = new();
 
-    _sendConversionCache.EvictObjects(objectIdsList);
+    _sendConversionCache.EvictObjects(ChangedObjectIds);
 
     foreach (SenderModelCard modelCard in senders)
     {
-      var intersection = modelCard.SendFilter.NotNull().RefreshObjectIds().Intersect(objectIdsList).ToList();
+      var intersection = modelCard.SendFilter.NotNull().RefreshObjectIds().Intersect(ChangedObjectIds).ToList();
       bool isExpired = intersection.Count != 0;
       if (isExpired)
       {
@@ -184,7 +183,7 @@ public abstract class AutocadSendBaseBinding : ISendBinding
         .ServiceProvider.GetRequiredService<SendOperation<AutocadRootObject>>()
         .Execute(
           autocadObjects,
-          modelCard.GetSendInfo(_speckleApplication.Slug),
+          modelCard.GetSendInfo(_speckleApplication.ApplicationAndVersion),
           _operationProgressManager.CreateOperationProgressEventHandler(Parent, modelCardId, cancellationItem.Token),
           cancellationItem.Token
         );

Connectors/Autocad/Speckle.Connectors.AutocadShared/Operations/Receive/AutocadHostObjectBuilder.cs

@@ -83,7 +83,7 @@ public class AutocadHostObjectBuilder(
       colorBaker.ParseColors(unpackedRoot.ColorProxies, onOperationProgressed);
     }
 
-    // 5 - Convert atomic objects
+    // 4 - Convert atomic objects
     HashSet<ReceiveConversionResult> results = new();
     HashSet<string> bakedObjectIds = new();
     Dictionary<string, IReadOnlyCollection<Entity>> applicationIdMap = new();
@@ -116,7 +116,7 @@ public class AutocadHostObjectBuilder(
       }
     }
 
-    // 6 - Convert instances
+    // 5 - Convert instances
     var (createdInstanceIds, consumedObjectIds, instanceConversionResults) = instanceBaker.BakeInstances(
       instanceComponentsWithPath,
       applicationIdMap,
@@ -129,7 +129,7 @@ public class AutocadHostObjectBuilder(
     results.RemoveWhere(result => result.ResultId != null && consumedObjectIds.Contains(result.ResultId));
     results.UnionWith(instanceConversionResults);
 
-    // 7 - Create groups
+    // 6 - Create groups
     if (unpackedRoot.GroupProxies != null)
     {
       IReadOnlyCollection<ReceiveConversionResult> groupResults = groupBaker.CreateGroups(
@@ -167,7 +167,7 @@ public class AutocadHostObjectBuilder(
         convertedEntities.Add(bakedEntity);
         break;
 
-      case List<(Entity, Base)> listConversionResult: // this is from fallback conversion for brep/brepx/subdx/extrusionx
+      case List<(Entity, Base)> listConversionResult: // this is from fallback conversion for brep/brepx/subdx/extrusionx/polycurve
         var bakedFallbackEntities = BakeObjectsAsGroup(listConversionResult, obj, layerName, baseLayerNamePrefix);
         convertedEntities.UnionWith(bakedFallbackEntities);
         break;

Connectors/Autocad/Speckle.Connectors.AutocadShared/Speckle.Connectors.AutocadShared.projitems

@@ -9,6 +9,7 @@
     <Import_RootNamespace>Speckle.Connectors.AutocadShared</Import_RootNamespace>
   </PropertyGroup>
   <ItemGroup>
+    <Compile Include="$(MSBuildThisFileDirectory)Bindings\AutocadReceiveBaseBinding.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Bindings\AutocadSelectionBinding.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Bindings\AutocadReceiveBinding.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Bindings\AutocadSendBinding.cs" />

Connectors/Autocad/Speckle.Connectors.Civil3d2022/Speckle.Connectors.Civil3d2022.csproj

@@ -10,8 +10,8 @@
     <StartProgram>$(ProgramW6432)\Autodesk\AutoCAD $(Civil3DVersion)\acad.exe</StartProgram>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" />
-    <PackageReference Include="Speckle.Civil3D.API" />
+    <PackageReference Include="Speckle.AutoCAD.API"  VersionOverride="2022.0.2" ExcludeAssets="runtime"/>
+    <PackageReference Include="Speckle.Civil3D.API"  VersionOverride="2022.0.2" ExcludeAssets="runtime"/>
   </ItemGroup>
   
   <ItemGroup>

Connectors/Autocad/Speckle.Connectors.Civil3d2022/packages.lock.json

@@ -268,9 +268,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -278,8 +278,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -304,7 +304,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -343,40 +343,40 @@
       "Speckle.DoubleNumerics": {
         "type": "CentralTransitive",
         "requested": "[4.1.0, )",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "0S9YVdu5nx7SYS0y5Gq1nwCbxfYB2UxsUUCskaGmzRAm+QzHGqCLYHgadz7Sw5mNAF3bOTLVrOYMzyLAWFWxJA==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "rM1t+E8NIWFCPC3ndnMAI71B9ONiPFsz6GuIIdc5kth5AggQRGArPCalJBwA33ith2WtbjWOanI+PhHmpGQgGw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.255"
+          "Speckle.Sdk": "3.1.8"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "TsFpIv8ipvOD/r0se1XmcNPo7t5dWVadwV32Z6vUqoW3s94VIE54/ZTHNkRCEYHFhfOyTcFfbLegiei+0D13bQ==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "qIYRiYHO2UkKuy8ZbjYltKCqLesIcJOcCGTEzyTCbyij5aC1x8HnwFjGMeonUCPaeipEKhI/4HidEZ0CwWvnXg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0]",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "[7.0.5]",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "koFeWc/EB2XrMH2aKl2Hqwrqk/fAGYEVKgxFlFpnEAsbZf7Kk57gBQ3ViV5l6X9vqMHGWFc4dWUp24diq/XPtQ=="
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "+MWIemub3nlPnDJ7sHl5nDGFDIIfiBU2VxqNmTGKzWNtCjsDi6KYw5zpbvXnaNcIqFoexv3TKCurjvT2ejzyQw=="
       }
     }
   }

Connectors/Autocad/Speckle.Connectors.Civil3d2023/Speckle.Connectors.Civil3d2023.csproj

@@ -11,8 +11,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2023.0.0" />
-    <PackageReference Include="Speckle.Civil3D.API" VersionOverride="2023.0.0" />
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2023.0.0" ExcludeAssets="runtime"/>
+    <PackageReference Include="Speckle.Civil3D.API" VersionOverride="2023.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>
   
   <ItemGroup>

Connectors/Autocad/Speckle.Connectors.Civil3d2023/packages.lock.json

@@ -268,9 +268,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -278,8 +278,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -304,7 +304,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -343,40 +343,40 @@
       "Speckle.DoubleNumerics": {
         "type": "CentralTransitive",
         "requested": "[4.1.0, )",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "0S9YVdu5nx7SYS0y5Gq1nwCbxfYB2UxsUUCskaGmzRAm+QzHGqCLYHgadz7Sw5mNAF3bOTLVrOYMzyLAWFWxJA==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "rM1t+E8NIWFCPC3ndnMAI71B9ONiPFsz6GuIIdc5kth5AggQRGArPCalJBwA33ith2WtbjWOanI+PhHmpGQgGw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.255"
+          "Speckle.Sdk": "3.1.8"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "TsFpIv8ipvOD/r0se1XmcNPo7t5dWVadwV32Z6vUqoW3s94VIE54/ZTHNkRCEYHFhfOyTcFfbLegiei+0D13bQ==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "qIYRiYHO2UkKuy8ZbjYltKCqLesIcJOcCGTEzyTCbyij5aC1x8HnwFjGMeonUCPaeipEKhI/4HidEZ0CwWvnXg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0]",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "[7.0.5]",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "koFeWc/EB2XrMH2aKl2Hqwrqk/fAGYEVKgxFlFpnEAsbZf7Kk57gBQ3ViV5l6X9vqMHGWFc4dWUp24diq/XPtQ=="
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "+MWIemub3nlPnDJ7sHl5nDGFDIIfiBU2VxqNmTGKzWNtCjsDi6KYw5zpbvXnaNcIqFoexv3TKCurjvT2ejzyQw=="
       }
     }
   }

Connectors/Autocad/Speckle.Connectors.Civil3d2024/Speckle.Connectors.Civil3d2024.csproj

@@ -11,8 +11,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2024.0.0" />
-    <PackageReference Include="Speckle.Civil3D.API" VersionOverride="2024.0.0" />
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2024.0.0" ExcludeAssets="runtime"/>
+    <PackageReference Include="Speckle.Civil3D.API" VersionOverride="2024.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>
   
   <ItemGroup>

Connectors/Autocad/Speckle.Connectors.Civil3d2024/packages.lock.json

@@ -268,9 +268,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -278,8 +278,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -304,7 +304,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -343,40 +343,40 @@
       "Speckle.DoubleNumerics": {
         "type": "CentralTransitive",
         "requested": "[4.1.0, )",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "0S9YVdu5nx7SYS0y5Gq1nwCbxfYB2UxsUUCskaGmzRAm+QzHGqCLYHgadz7Sw5mNAF3bOTLVrOYMzyLAWFWxJA==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "rM1t+E8NIWFCPC3ndnMAI71B9ONiPFsz6GuIIdc5kth5AggQRGArPCalJBwA33ith2WtbjWOanI+PhHmpGQgGw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.255"
+          "Speckle.Sdk": "3.1.8"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "TsFpIv8ipvOD/r0se1XmcNPo7t5dWVadwV32Z6vUqoW3s94VIE54/ZTHNkRCEYHFhfOyTcFfbLegiei+0D13bQ==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "qIYRiYHO2UkKuy8ZbjYltKCqLesIcJOcCGTEzyTCbyij5aC1x8HnwFjGMeonUCPaeipEKhI/4HidEZ0CwWvnXg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0]",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "[7.0.5]",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "koFeWc/EB2XrMH2aKl2Hqwrqk/fAGYEVKgxFlFpnEAsbZf7Kk57gBQ3ViV5l6X9vqMHGWFc4dWUp24diq/XPtQ=="
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "+MWIemub3nlPnDJ7sHl5nDGFDIIfiBU2VxqNmTGKzWNtCjsDi6KYw5zpbvXnaNcIqFoexv3TKCurjvT2ejzyQw=="
       }
     }
   }

Connectors/Autocad/Speckle.Connectors.Civil3d2025/Speckle.Connectors.Civil3d2025.csproj

@@ -13,9 +13,8 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2025.0.0" />
-    <PackageReference Include="Speckle.Civil3d.API" VersionOverride="2025.0.0" />
-    <FrameworkReference Include="Microsoft.WindowsDesktop.App" />
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2025.0.0" ExcludeAssets="runtime"/>
+    <PackageReference Include="Speckle.Civil3d.API" VersionOverride="2025.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>  
   
   <ItemGroup>   

Connectors/Autocad/Speckle.Connectors.Civil3d2025/packages.lock.json

@@ -224,9 +224,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -234,8 +234,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -261,7 +261,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -300,39 +300,39 @@
       "Speckle.DoubleNumerics": {
         "type": "CentralTransitive",
         "requested": "[4.1.0, )",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "0S9YVdu5nx7SYS0y5Gq1nwCbxfYB2UxsUUCskaGmzRAm+QzHGqCLYHgadz7Sw5mNAF3bOTLVrOYMzyLAWFWxJA==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "rM1t+E8NIWFCPC3ndnMAI71B9ONiPFsz6GuIIdc5kth5AggQRGArPCalJBwA33ith2WtbjWOanI+PhHmpGQgGw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.255"
+          "Speckle.Sdk": "3.1.8"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "TsFpIv8ipvOD/r0se1XmcNPo7t5dWVadwV32Z6vUqoW3s94VIE54/ZTHNkRCEYHFhfOyTcFfbLegiei+0D13bQ==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "qIYRiYHO2UkKuy8ZbjYltKCqLesIcJOcCGTEzyTCbyij5aC1x8HnwFjGMeonUCPaeipEKhI/4HidEZ0CwWvnXg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "[7.0.5]",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "koFeWc/EB2XrMH2aKl2Hqwrqk/fAGYEVKgxFlFpnEAsbZf7Kk57gBQ3ViV5l6X9vqMHGWFc4dWUp24diq/XPtQ=="
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "+MWIemub3nlPnDJ7sHl5nDGFDIIfiBU2VxqNmTGKzWNtCjsDi6KYw5zpbvXnaNcIqFoexv3TKCurjvT2ejzyQw=="
       }
     },
     "net8.0-windows7.0/win-x64": {

Connectors/Autocad/Speckle.Connectors.Civil3dShared/Bindings/Civil3dReceiveBinding.cs

@@ -0,0 +1,60 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Autocad.Bindings;
+using Speckle.Connectors.Common.Cancellation;
+using Speckle.Connectors.Common.Threading;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Converters.Autocad;
+using Speckle.Converters.Civil3dShared;
+using Speckle.Converters.Common;
+using Speckle.Sdk;
+
+namespace Speckle.Connectors.Civil3dShared.Bindings;
+
+public sealed class Civil3dReceiveBinding : AutocadReceiveBaseBinding
+{
+  private readonly ICivil3dConversionSettingsFactory _civil3dConversionSettingsFactory;
+  private readonly IAutocadConversionSettingsFactory _autocadConversionSettingsFactory;
+
+  public Civil3dReceiveBinding(
+    DocumentModelStore store,
+    IBrowserBridge parent,
+    ICancellationManager cancellationManager,
+    IServiceProvider serviceProvider,
+    IOperationProgressManager operationProgressManager,
+    ILogger<AutocadReceiveBinding> logger,
+    ICivil3dConversionSettingsFactory civil3dConversionSettingsFactory,
+    IAutocadConversionSettingsFactory autocadConversionSettingsFactory,
+    ISpeckleApplication speckleApplication,
+    IThreadContext threadContext
+  )
+    : base(
+      store,
+      parent,
+      cancellationManager,
+      serviceProvider,
+      operationProgressManager,
+      logger,
+      speckleApplication,
+      threadContext
+    )
+  {
+    _civil3dConversionSettingsFactory = civil3dConversionSettingsFactory;
+    _autocadConversionSettingsFactory = autocadConversionSettingsFactory;
+  }
+
+  // POC: we're registering the conversion settings for autocad here because we need the autocad conversion settings to be able to use the autocad typed converters.
+  // POC: We need a separate receive binding for civil3d due to using a different unit converter (needed for conversion settings construction)
+  protected override void InitializeSettings(IServiceProvider serviceProvider)
+  {
+    serviceProvider
+      .GetRequiredService<IConverterSettingsStore<Civil3dConversionSettings>>()
+      .Initialize(_civil3dConversionSettingsFactory.Create(Application.DocumentManager.CurrentDocument));
+
+    serviceProvider
+      .GetRequiredService<IConverterSettingsStore<AutocadConversionSettings>>()
+      .Initialize(_autocadConversionSettingsFactory.Create(Application.DocumentManager.CurrentDocument));
+  }
+}

Connectors/Autocad/Speckle.Connectors.Civil3dShared/DependencyInjection/Civil3dConnectorModule.cs

@@ -6,7 +6,6 @@ using Speckle.Connectors.Civil3dShared.Bindings;
 using Speckle.Connectors.Civil3dShared.Operations.Send;
 using Speckle.Connectors.Common.Builders;
 using Speckle.Connectors.DUI.Bindings;
-using Speckle.Converters.Civil3dShared.Helpers;
 using Speckle.Converters.Civil3dShared.ToSpeckle;
 using Speckle.Sdk;
 
@@ -17,18 +16,20 @@ public static class Civil3dConnectorModule
   public static void AddCivil3d(this IServiceCollection serviceCollection)
   {
     serviceCollection.AddAutocadBase();
-    serviceCollection.LoadSend();
 
-    // register civil specific send classes
+    // add send
+    serviceCollection.LoadSend();
     serviceCollection.AddScoped<IRootObjectBuilder<AutocadRootObject>, Civil3dRootObjectBuilder>();
     serviceCollection.AddSingleton<IBinding, Civil3dSendBinding>();
 
-    // automatically detects the Class:IClass interface pattern to register all generated interfaces
-    serviceCollection.AddMatchingInterfacesAsTransient(Assembly.GetExecutingAssembly());
+    // add receive
+    serviceCollection.LoadReceive();
+    serviceCollection.AddSingleton<IBinding, Civil3dReceiveBinding>();
 
     // additional classes
     serviceCollection.AddScoped<PropertySetDefinitionHandler>();
-    serviceCollection.AddScoped<CatchmentGroupHandler>();
-    serviceCollection.AddScoped<PipeNetworkHandler>();
+
+    // automatically detects the Class:IClass interface pattern to register all generated interfaces
+    serviceCollection.AddMatchingInterfacesAsTransient(Assembly.GetExecutingAssembly());
   }
 }

Connectors/Autocad/Speckle.Connectors.Civil3dShared/Operations/Send/Civil3dRootObjectBuilder.cs

@@ -4,7 +4,6 @@ using Speckle.Connectors.Autocad.HostApp;
 using Speckle.Connectors.Autocad.Operations.Send;
 using Speckle.Connectors.Common.Caching;
 using Speckle.Connectors.Common.Operations;
-using Speckle.Converters.Civil3dShared.Helpers;
 using Speckle.Converters.Civil3dShared.ToSpeckle;
 using Speckle.Converters.Common;
 using Speckle.Sdk.Logging;
@@ -16,14 +15,10 @@ public sealed class Civil3dRootObjectBuilder : AutocadRootObjectBaseBuilder
 {
   private readonly AutocadLayerUnpacker _layerUnpacker;
   private readonly PropertySetDefinitionHandler _propertySetDefinitionHandler;
-  private readonly CatchmentGroupHandler _catchmentGroupHandler;
-  private readonly PipeNetworkHandler _pipeNetworkHandler;
 
   public Civil3dRootObjectBuilder(
     AutocadLayerUnpacker layerUnpacker,
     PropertySetDefinitionHandler propertySetDefinitionHandler,
-    CatchmentGroupHandler catchmentGroupHandler,
-    PipeNetworkHandler pipeNetworkHandler,
     IRootToSpeckleConverter converter,
     ISendConversionCache sendConversionCache,
     AutocadInstanceUnpacker instanceObjectManager,
@@ -46,8 +41,6 @@ public sealed class Civil3dRootObjectBuilder : AutocadRootObjectBaseBuilder
   {
     _layerUnpacker = layerUnpacker;
     _propertySetDefinitionHandler = propertySetDefinitionHandler;
-    _catchmentGroupHandler = catchmentGroupHandler;
-    _pipeNetworkHandler = pipeNetworkHandler;
   }
 
   public override (Collection, LayerTableRecord?) CreateObjectCollection(Entity entity, Transaction tr)
@@ -57,11 +50,8 @@ public sealed class Civil3dRootObjectBuilder : AutocadRootObjectBaseBuilder
     return (layer, autocadLayer);
   }
 
-  // POC: probably will need to add Network proxies as well
   public override void AddAdditionalProxiesToRoot(Collection rootObject)
   {
     rootObject[ProxyKeys.PROPERTYSET_DEFINITIONS] = _propertySetDefinitionHandler.Definitions;
-    rootObject["catchmentGroupProxies"] = _catchmentGroupHandler.CatchmentGroupProxiesCache.Values.ToList();
-    rootObject["pipeNetworkProxies"] = _pipeNetworkHandler.PipeNetworkProxiesCache.Values.ToList();
   }
 }

Connectors/Autocad/Speckle.Connectors.Civil3dShared/Speckle.Connectors.Civil3dShared.projitems

@@ -9,13 +9,13 @@
     <Import_RootNamespace>Speckle.Connectors.Civil3dShared</Import_RootNamespace>
   </PropertyGroup>
   <ItemGroup>
+    <Compile Include="$(MSBuildThisFileDirectory)Bindings\Civil3dReceiveBinding.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)DependencyInjection\Civil3dConnectorModule.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\Civil3dRootObjectBuilder.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Bindings\Civil3dSendBinding.cs" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="$(MSBuildThisFileDirectory)DependencyInjection\" />
-    <Folder Include="$(MSBuildThisFileDirectory)Bindings\" />
     <Folder Include="$(MSBuildThisFileDirectory)Operations\Send\" />
   </ItemGroup>
 </Project>

Connectors/CSi/Speckle.Connectors.CSiShared/Bindings/CsiSharedBasicConnectorBinding.cs

@@ -1,4 +1,5 @@
-using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.Common.Threading;
+using Speckle.Connectors.DUI.Bindings;
 using Speckle.Connectors.DUI.Bridge;
 using Speckle.Connectors.DUI.Models;
 using Speckle.Connectors.DUI.Models.Card;
@@ -11,6 +12,7 @@ public class CsiSharedBasicConnectorBinding : IBasicConnectorBinding
   private readonly ISpeckleApplication _speckleApplication;
   private readonly DocumentModelStore _store;
   private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
+  private readonly IThreadContext _threadContext;
   public string Name => "baseBinding";
   public IBrowserBridge Parent { get; }
   public BasicConnectorBindingCommands Commands { get; }
@@ -19,9 +21,11 @@ public class CsiSharedBasicConnectorBinding : IBasicConnectorBinding
     IBrowserBridge parent,
     ISpeckleApplication speckleApplication,
     DocumentModelStore store,
-    ITopLevelExceptionHandler topLevelExceptionHandler
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    IThreadContext threadContext
   )
   {
+    _threadContext = threadContext;
     Parent = parent;
     _speckleApplication = speckleApplication;
     _store = store;
@@ -31,7 +35,11 @@ public class CsiSharedBasicConnectorBinding : IBasicConnectorBinding
     _store.DocumentChanged += (_, _) =>
       _topLevelExceptionHandler.FireAndForget(async () =>
       {
-        await Commands.NotifyDocumentChanged();
+        // enforce main thread
+        await _threadContext.RunOnMainAsync(async () =>
+        {
+          await Commands.NotifyDocumentChanged();
+        });
       });
   }
 
@@ -45,11 +53,20 @@ public class CsiSharedBasicConnectorBinding : IBasicConnectorBinding
 
   public DocumentModelStore GetDocumentState() => _store;
 
-  public void AddModel(ModelCard model) => _store.AddModel(model);
+  /// <remarks>Operations must run on the main thread for ETABS and SAP 2000</remarks>
+  public void AddModel(ModelCard model) =>
+    _topLevelExceptionHandler.CatchUnhandled(() => _threadContext.RunOnThread(() => _store.AddModel(model), true));
 
-  public void UpdateModel(ModelCard model) => _store.UpdateModel(model);
+  /// <remarks>Operations must run on the main thread for ETABS and SAP 2000</remarks>
+  public void UpdateModel(ModelCard model) =>
+    _topLevelExceptionHandler.CatchUnhandled(() => _threadContext.RunOnThread(() => _store.UpdateModel(model), true));
 
-  public void RemoveModel(ModelCard model) => _store.RemoveModel(model);
+  /// <remarks>Operations must run on the main thread for ETABS and SAP 2000</remarks>
+  public void RemoveModel(ModelCard model) =>
+    _topLevelExceptionHandler.CatchUnhandled(() => _threadContext.RunOnThread(() => _store.RemoveModel(model), true));
+
+  public void RemoveModels(List<ModelCard> models) =>
+    _topLevelExceptionHandler.CatchUnhandled(() => _threadContext.RunOnThread(() => _store.RemoveModels(models), true));
 
   public Task HighlightModel(string modelCardId) => Task.CompletedTask;
 

Connectors/CSi/Speckle.Connectors.CSiShared/Bindings/CsiSharedSelectionBinding.cs

@@ -1,4 +1,5 @@
-using Speckle.Connectors.CSiShared.HostApp;
+using Speckle.Connectors.Common.Threading;
+using Speckle.Connectors.CSiShared.HostApp;
 using Speckle.Connectors.CSiShared.Utils;
 using Speckle.Connectors.DUI.Bindings;
 using Speckle.Connectors.DUI.Bridge;
@@ -12,7 +13,9 @@ public class CsiSharedSelectionBinding : ISelectionBinding, IDisposable
   private bool _disposed;
   private readonly Timer _selectionTimer;
   private readonly ICsiApplicationService _csiApplicationService;
+  private readonly IThreadContext _threadContext;
   private HashSet<string> _lastSelection = new();
+  private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
 
   public IBrowserBridge Parent { get; }
   public string Name => "selectionBinding";
@@ -20,26 +23,37 @@ public class CsiSharedSelectionBinding : ISelectionBinding, IDisposable
   public CsiSharedSelectionBinding(
     IBrowserBridge parent,
     ICsiApplicationService csiApplicationService,
-    ITopLevelExceptionHandler topLevelExceptionHandler
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    IThreadContext threadContext
   )
   {
+    _threadContext = threadContext;
     Parent = parent;
     _csiApplicationService = csiApplicationService;
+    _topLevelExceptionHandler = topLevelExceptionHandler;
 
     _selectionTimer = new Timer(1000);
-    _selectionTimer.Elapsed += (_, _) => topLevelExceptionHandler.CatchUnhandled(CheckSelectionChanged);
+    _selectionTimer.Elapsed += (_, _) =>
+      _topLevelExceptionHandler.CatchUnhandled(() => _threadContext.RunOnMain(CheckSelectionChanged));
     _selectionTimer.Start();
   }
 
   private void CheckSelectionChanged()
   {
+    // timer callbacks are on a background thread, but CSI API calls must be on main thread
     var currentSelection = GetSelection();
     var currentIds = new HashSet<string>(currentSelection.SelectedObjectIds);
 
     if (!_lastSelection.SetEquals(currentIds))
     {
       _lastSelection = currentIds;
-      Parent.Send(SelectionBindingEvents.SET_SELECTION, currentSelection);
+      // ensure UI updates also run on main thread
+      _threadContext.RunOnMain(
+        () =>
+          _topLevelExceptionHandler.CatchUnhandled(
+            () => Parent.Send(SelectionBindingEvents.SET_SELECTION, currentSelection)
+          )
+      );
     }
   }
 

Connectors/CSi/Speckle.Connectors.CSiShared/Bindings/CsiSharedSendBinding.cs

@@ -101,7 +101,7 @@ public sealed class CsiSharedSendBinding : ISendBinding
         .ServiceProvider.GetRequiredService<SendOperation<ICsiWrapper>>()
         .Execute(
           wrappers,
-          modelCard.GetSendInfo(_speckleApplication.Slug),
+          modelCard.GetSendInfo(_speckleApplication.ApplicationAndVersion),
           _operationProgressManager.CreateOperationProgressEventHandler(Parent, modelCardId, cancellationItem.Token),
           cancellationItem.Token
         );

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/CsiDocumentModelStore.cs

@@ -1,5 +1,6 @@
 using System.IO;
 using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Common.Threading;
 using Speckle.Connectors.DUI.Bridge;
 using Speckle.Connectors.DUI.Models;
 using Speckle.Connectors.DUI.Utils;
@@ -16,6 +17,7 @@ public class CsiDocumentModelStore : DocumentModelStore, IDisposable
   private readonly ILogger<CsiDocumentModelStore> _logger;
   private readonly ICsiApplicationService _csiApplicationService;
   private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
+  private readonly IThreadContext _threadContext;
   private readonly Timer _modelCheckTimer;
   private string _lastModelFilename = string.Empty;
   private bool _disposed;
@@ -28,10 +30,12 @@ public class CsiDocumentModelStore : DocumentModelStore, IDisposable
     ISpeckleApplication speckleApplication,
     ILogger<CsiDocumentModelStore> logger,
     ICsiApplicationService csiApplicationService,
-    ITopLevelExceptionHandler topLevelExceptionHandler
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    IThreadContext threadContext
   )
     : base(jsonSerializer)
   {
+    _threadContext = threadContext;
     _speckleApplication = speckleApplication;
     _logger = logger;
     _csiApplicationService = csiApplicationService;
@@ -39,7 +43,10 @@ public class CsiDocumentModelStore : DocumentModelStore, IDisposable
 
     // initialize timer to check for model changes
     _modelCheckTimer = new Timer(1000);
-    _modelCheckTimer.Elapsed += (_, _) => _topLevelExceptionHandler.CatchUnhandled(CheckModelChanges);
+
+    // timer runs on background thread but model checks must be on main thread
+    _modelCheckTimer.Elapsed += (_, _) =>
+      _topLevelExceptionHandler.CatchUnhandled(() => _threadContext.RunOnMain(CheckModelChanges));
     _modelCheckTimer.Start();
   }
 

Connectors/CSi/Speckle.Connectors.ETABS21/packages.lock.json

@@ -259,9 +259,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -269,8 +269,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -287,7 +287,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "speckle.converters.etabs21": {
@@ -332,40 +332,40 @@
       "Speckle.DoubleNumerics": {
         "type": "CentralTransitive",
         "requested": "[4.1.0, )",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "0S9YVdu5nx7SYS0y5Gq1nwCbxfYB2UxsUUCskaGmzRAm+QzHGqCLYHgadz7Sw5mNAF3bOTLVrOYMzyLAWFWxJA==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "rM1t+E8NIWFCPC3ndnMAI71B9ONiPFsz6GuIIdc5kth5AggQRGArPCalJBwA33ith2WtbjWOanI+PhHmpGQgGw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.255"
+          "Speckle.Sdk": "3.1.8"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "TsFpIv8ipvOD/r0se1XmcNPo7t5dWVadwV32Z6vUqoW3s94VIE54/ZTHNkRCEYHFhfOyTcFfbLegiei+0D13bQ==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "qIYRiYHO2UkKuy8ZbjYltKCqLesIcJOcCGTEzyTCbyij5aC1x8HnwFjGMeonUCPaeipEKhI/4HidEZ0CwWvnXg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0]",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "[7.0.5]",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "koFeWc/EB2XrMH2aKl2Hqwrqk/fAGYEVKgxFlFpnEAsbZf7Kk57gBQ3ViV5l6X9vqMHGWFc4dWUp24diq/XPtQ=="
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "+MWIemub3nlPnDJ7sHl5nDGFDIIfiBU2VxqNmTGKzWNtCjsDi6KYw5zpbvXnaNcIqFoexv3TKCurjvT2ejzyQw=="
       }
     }
   }

Connectors/CSi/Speckle.Connectors.ETABS22/packages.lock.json

@@ -215,9 +215,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -225,8 +225,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -243,7 +243,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "speckle.converters.etabs22": {
@@ -288,39 +288,39 @@
       "Speckle.DoubleNumerics": {
         "type": "CentralTransitive",
         "requested": "[4.1.0, )",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "0S9YVdu5nx7SYS0y5Gq1nwCbxfYB2UxsUUCskaGmzRAm+QzHGqCLYHgadz7Sw5mNAF3bOTLVrOYMzyLAWFWxJA==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "rM1t+E8NIWFCPC3ndnMAI71B9ONiPFsz6GuIIdc5kth5AggQRGArPCalJBwA33ith2WtbjWOanI+PhHmpGQgGw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.255"
+          "Speckle.Sdk": "3.1.8"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "TsFpIv8ipvOD/r0se1XmcNPo7t5dWVadwV32Z6vUqoW3s94VIE54/ZTHNkRCEYHFhfOyTcFfbLegiei+0D13bQ==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "qIYRiYHO2UkKuy8ZbjYltKCqLesIcJOcCGTEzyTCbyij5aC1x8HnwFjGMeonUCPaeipEKhI/4HidEZ0CwWvnXg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "[7.0.5]",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "koFeWc/EB2XrMH2aKl2Hqwrqk/fAGYEVKgxFlFpnEAsbZf7Kk57gBQ3ViV5l6X9vqMHGWFc4dWUp24diq/XPtQ=="
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "+MWIemub3nlPnDJ7sHl5nDGFDIIfiBU2VxqNmTGKzWNtCjsDi6KYw5zpbvXnaNcIqFoexv3TKCurjvT2ejzyQw=="
       }
     }
   }

Connectors/Navisworks/Speckle.Connectors.Navisworks2020/Speckle.Connectors.Navisworks2020.csproj

@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <Reference Include="WindowsFormsIntegration"/>
-    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2020.0.0"/>
+    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2020.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>
 
   <ItemGroup>

Connectors/Navisworks/Speckle.Connectors.Navisworks2020/packages.lock.json

@@ -259,9 +259,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -269,8 +269,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -287,7 +287,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "speckle.converters.navisworks2020": {
@@ -334,40 +334,40 @@
       "Speckle.DoubleNumerics": {
         "type": "CentralTransitive",
         "requested": "[4.1.0, )",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "0S9YVdu5nx7SYS0y5Gq1nwCbxfYB2UxsUUCskaGmzRAm+QzHGqCLYHgadz7Sw5mNAF3bOTLVrOYMzyLAWFWxJA==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "rM1t+E8NIWFCPC3ndnMAI71B9ONiPFsz6GuIIdc5kth5AggQRGArPCalJBwA33ith2WtbjWOanI+PhHmpGQgGw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.255"
+          "Speckle.Sdk": "3.1.8"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "TsFpIv8ipvOD/r0se1XmcNPo7t5dWVadwV32Z6vUqoW3s94VIE54/ZTHNkRCEYHFhfOyTcFfbLegiei+0D13bQ==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
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-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
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+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
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-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
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     ".NETFramework,Version=v4.8/win-x64": {

Connectors/Navisworks/Speckle.Connectors.Navisworks2021/Speckle.Connectors.Navisworks2021.csproj

@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <Reference Include="WindowsFormsIntegration"/>
-    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2021.0.0"/>
+    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2021.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>
 
   <ItemGroup>

Connectors/Navisworks/Speckle.Connectors.Navisworks2021/packages.lock.json

@@ -259,9 +259,9 @@
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-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
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+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
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       },
       "speckle.connectors.dui": {
@@ -269,8 +269,8 @@
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-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
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       "speckle.connectors.dui.webview": {
@@ -287,7 +287,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
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       "speckle.converters.navisworks2021": {
@@ -334,40 +334,40 @@
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         "dependencies": {
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-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
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-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
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+        "requested": "[3.1.8, )",
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       }
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     ".NETFramework,Version=v4.8/win-x64": {

Connectors/Navisworks/Speckle.Connectors.Navisworks2022/Speckle.Connectors.Navisworks2022.csproj

@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <Reference Include="WindowsFormsIntegration"/>
-    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2022.0.0"/>
+    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2022.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>
 
   <ItemGroup>

Connectors/Navisworks/Speckle.Connectors.Navisworks2022/packages.lock.json

@@ -259,9 +259,9 @@
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-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
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+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -269,8 +269,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
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-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -287,7 +287,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
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       },
       "speckle.converters.navisworks2022": {
@@ -334,40 +334,40 @@
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-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
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+          "Microsoft.Extensions.Logging": "2.2.0",
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-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
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       }
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     ".NETFramework,Version=v4.8/win-x64": {

Connectors/Navisworks/Speckle.Connectors.Navisworks2023/Speckle.Connectors.Navisworks2023.csproj

@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <Reference Include="WindowsFormsIntegration"/>
-    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2023.0.0"/>
+    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2023.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>
 
   <ItemGroup>

Connectors/Navisworks/Speckle.Connectors.Navisworks2023/packages.lock.json

@@ -259,9 +259,9 @@
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-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -269,8 +269,8 @@
         "dependencies": {
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-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -287,7 +287,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "speckle.converters.navisworks2023": {
@@ -334,40 +334,40 @@
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         "requested": "[4.1.0, )",
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-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
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+          "Microsoft.Extensions.Logging": "2.2.0",
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Connectors/Navisworks/Speckle.Connectors.Navisworks2024/Speckle.Connectors.Navisworks2024.csproj

@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <Reference Include="WindowsFormsIntegration"/>
-    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2024.0.0"/>
+    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2024.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>
 
   <ItemGroup>

Connectors/Navisworks/Speckle.Connectors.Navisworks2024/packages.lock.json

@@ -259,9 +259,9 @@
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-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -269,8 +269,8 @@
         "dependencies": {
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-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -287,7 +287,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "speckle.converters.navisworks2024": {
@@ -334,40 +334,40 @@
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         "dependencies": {
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-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
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           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
         }
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       "Speckle.Sdk.Dependencies": {
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Connectors/Navisworks/Speckle.Connectors.Navisworks2025/Speckle.Connectors.Navisworks2025.csproj

@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <Reference Include="WindowsFormsIntegration"/>
-    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2025.0.0"/>
+    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2025.0.0" ExcludeAssets="runtime"/>
     <PackageReference Include="Microsoft.Web.WebView2" VersionOverride="1.0.2045.28" />
   </ItemGroup>
 

Connectors/Navisworks/Speckle.Connectors.Navisworks2025/packages.lock.json

@@ -265,9 +265,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
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-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -275,8 +275,8 @@
         "dependencies": {
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-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -293,7 +293,7 @@
         "type": "Project",
         "dependencies": {
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-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "speckle.converters.navisworks2025": {
@@ -334,40 +334,40 @@
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+          "Speckle.Sdk": "3.1.8"
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Connectors/Navisworks/Speckle.Connectors.Navisworks2026/Properties/launchSettings.json

@@ -0,0 +1,9 @@
+{
+  "profiles": {
+    "Speckle.Connector.Navisworks2026": {
+      "commandName": "Executable",
+      "executablePath": "C:\\Program Files\\Autodesk\\Navisworks Manage 2026\\Roamer.exe",
+      "commandLineArgs": " -licensing AdLM"
+    }
+  }
+}

Connectors/Navisworks/Speckle.Connectors.Navisworks2026/Speckle.Connectors.Navisworks2026.csproj

@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+  <PropertyGroup>
+    <TargetFramework>net48</TargetFramework>
+    <PlatformTarget>x64</PlatformTarget>
+    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+    <FileAlignment>512</FileAlignment>
+
+    <NavisworksBuildNumber>v23</NavisworksBuildNumber>
+    <NavisworksVersion>2026</NavisworksVersion>
+
+    <DefineConstants>$(DefineConstants);TRACE;NAVIS2026;NAVIS</DefineConstants>
+    <Configurations>Debug;Release;Local</Configurations>
+  </PropertyGroup>
+
+  <Import Project="..\Speckle.Connectors.NavisworksShared\Speckle.Connectors.NavisworksShared.projitems" Label="Shared"/>
+
+  <ItemGroup>
+    <Reference Include="WindowsFormsIntegration"/>
+    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2026.0.1" ExcludeAssets="runtime"/>
+    <PackageReference Include="Microsoft.Web.WebView2" VersionOverride="1.0.2365.46" />
+    <PackageReference Include="System.Reactive" VersionOverride="6.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Converters\Navisworks\Speckle.Converters.Navisworks2026\Speckle.Converters.Navisworks2026.csproj" />
+    <ProjectReference Include="..\..\..\Sdk\Speckle.Connectors.Common\Speckle.Connectors.Common.csproj"/>
+    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj"/>
+  </ItemGroup>
+</Project>

Connectors/Navisworks/Speckle.Connectors.Navisworks2026/packages.lock.json

@@ -0,0 +1,389 @@
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+        "contentHash": "UxYQ3FGUOtzJ7LfSdnYSFd7+oEv6M8NgUatatIN2HxNtDdlcvFAf+VIq4Of9cDMJEJC0aSRv/x898RYhB4Yppg=="
+      },
+      "System.Memory": {
+        "type": "Transitive",
+        "resolved": "4.5.3",
+        "contentHash": "3oDzvc/zzetpTKWMShs1AADwZjQ/36HnsufHRPcOjyRAAMLDlu2iD33MBI2opxnezcVUtXyqDXXjoFMOU9c7SA==",
+        "dependencies": {
+          "System.Buffers": "4.4.0",
+          "System.Numerics.Vectors": "4.4.0",
+          "System.Runtime.CompilerServices.Unsafe": "4.5.2"
+        }
+      },
+      "System.Net.WebSockets.Client.Managed": {
+        "type": "Transitive",
+        "resolved": "1.0.22",
+        "contentHash": "WqEOxPlXjuZrIjUtXNE9NxEfU/n5E35iV2PtoZdJSUC4tlrqwHnTee+wvMIM4OUaJWmwrymeqcgYrE0IkGAgLA==",
+        "dependencies": {
+          "System.Buffers": "4.4.0",
+          "System.Numerics.Vectors": "4.4.0"
+        }
+      },
+      "System.Numerics.Vectors": {
+        "type": "Transitive",
+        "resolved": "4.4.0",
+        "contentHash": "UiLzLW+Lw6HLed1Hcg+8jSRttrbuXv7DANVj0DkL9g6EnnzbL75EB7EWsw5uRbhxd/4YdG8li5XizGWepmG3PQ=="
+      },
+      "System.Runtime.CompilerServices.Unsafe": {
+        "type": "Transitive",
+        "resolved": "4.5.3",
+        "contentHash": "3TIsJhD1EiiT0w2CcDMN/iSSwnNnsrnbzeVHSKkaEgV85txMprmuO+Yq2AdSbeVGcg28pdNDTPK87tJhX7VFHw=="
+      },
+      "System.Threading.Tasks.Extensions": {
+        "type": "Transitive",
+        "resolved": "4.5.4",
+        "contentHash": "zteT+G8xuGu6mS+mzDzYXbzS7rd3K6Fjb9RiZlYlJPam2/hU7JCBZBVEcywNuR+oZ1ncTvc/cq0faRr3P01OVg==",
+        "dependencies": {
+          "System.Runtime.CompilerServices.Unsafe": "4.5.3"
+        }
+      },
+      "speckle.connectors.common": {
+        "type": "Project",
+        "dependencies": {
+          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
+          "Speckle.Connectors.Logging": "[1.0.0, )",
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
+        }
+      },
+      "speckle.connectors.dui": {
+        "type": "Project",
+        "dependencies": {
+          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
+          "Speckle.Connectors.Common": "[1.0.0, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
+        }
+      },
+      "speckle.connectors.dui.webview": {
+        "type": "Project",
+        "dependencies": {
+          "Microsoft.Web.WebView2": "[1.0.1938.49, )",
+          "Speckle.Connectors.DUI": "[1.0.0, )"
+        }
+      },
+      "speckle.connectors.logging": {
+        "type": "Project"
+      },
+      "speckle.converters.common": {
+        "type": "Project",
+        "dependencies": {
+          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
+          "Speckle.Objects": "[3.1.8, )"
+        }
+      },
+      "speckle.converters.navisworks2026": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Connectors.DUI": "[1.0.0, )",
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Navisworks.API": "[2026.0.1, )",
+          "System.Reactive": "[6.0.0, )"
+        }
+      },
+      "Microsoft.Extensions.DependencyInjection": {
+        "type": "CentralTransitive",
+        "requested": "[2.2.0, )",
+        "resolved": "2.2.0",
+        "contentHash": "MZtBIwfDFork5vfjpJdG5g8wuJFt7d/y3LOSVVtDK/76wlbtz6cjltfKHqLx2TKVqTj5/c41t77m1+h20zqtPA==",
+        "dependencies": {
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0"
+        }
+      },
+      "Microsoft.Extensions.Logging": {
+        "type": "CentralTransitive",
+        "requested": "[2.2.0, )",
+        "resolved": "2.2.0",
+        "contentHash": "Nxqhadc9FCmFHzU+fz3oc8sFlE6IadViYg8dfUdGzJZ2JUxnCsRghBhhOWdM4B2zSZqEc+0BjliBh/oNdRZuig==",
+        "dependencies": {
+          "Microsoft.Extensions.Configuration.Binder": "2.2.0",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Options": "2.2.0"
+        }
+      },
+      "Microsoft.Extensions.Logging.Abstractions": {
+        "type": "CentralTransitive",
+        "requested": "[2.2.0, )",
+        "resolved": "2.2.0",
+        "contentHash": "B2WqEox8o+4KUOpL7rZPyh6qYjik8tHi2tN8Z9jZkHzED8ElYgZa/h6K+xliB435SqUcWT290Fr2aa8BtZjn8A=="
+      },
+      "Speckle.DoubleNumerics": {
+        "type": "CentralTransitive",
+        "requested": "[4.1.0, )",
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
+      },
+      "Speckle.Objects": {
+        "type": "CentralTransitive",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "rM1t+E8NIWFCPC3ndnMAI71B9ONiPFsz6GuIIdc5kth5AggQRGArPCalJBwA33ith2WtbjWOanI+PhHmpGQgGw==",
+        "dependencies": {
+          "Speckle.Sdk": "3.1.8"
+        }
+      },
+      "Speckle.Sdk": {
+        "type": "CentralTransitive",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "qIYRiYHO2UkKuy8ZbjYltKCqLesIcJOcCGTEzyTCbyij5aC1x8HnwFjGMeonUCPaeipEKhI/4HidEZ0CwWvnXg==",
+        "dependencies": {
+          "GraphQL.Client": "6.0.0",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
+          "Microsoft.CSharp": "4.7.0",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
+          "Speckle.Newtonsoft.Json": "13.0.2",
+          "Speckle.Sdk.Dependencies": "3.1.8"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "CentralTransitive",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "+MWIemub3nlPnDJ7sHl5nDGFDIIfiBU2VxqNmTGKzWNtCjsDi6KYw5zpbvXnaNcIqFoexv3TKCurjvT2ejzyQw=="
+      }
+    },
+    ".NETFramework,Version=v4.8/win-x64": {
+      "Microsoft.Web.WebView2": {
+        "type": "Direct",
+        "requested": "[1.0.2365.46, )",
+        "resolved": "1.0.2365.46",
+        "contentHash": "8L/Wv1r6NRSYpaaywBE/zcjDShTlTCEqBgsrB0xPQ11umziTtSNTu/rcLVazoQhHfVnQvX/fruMtdJCiPTDuyQ=="
+      },
+      "SQLitePCLRaw.lib.e_sqlite3": {
+        "type": "Transitive",
+        "resolved": "2.1.4",
+        "contentHash": "2C9Q9eX7CPLveJA0rIhf9RXAvu+7nWZu1A2MdG6SD/NOu26TakGgL1nsbc0JAspGijFOo3HoN79xrx8a368fBg=="
+      }
+    }
+  }
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Bindings/NavisworksBasicConnectorBinding.cs

@@ -50,6 +50,8 @@ public class NavisworksBasicConnectorBinding : IBasicConnectorBinding
 
   public void RemoveModel(ModelCard model) => _store.RemoveModel(model);
 
+  public void RemoveModels(List<ModelCard> models) => _store.RemoveModels(models);
+
   public Task HighlightModel(string modelCardId) => Task.CompletedTask;
 
   public async Task HighlightObjects(IReadOnlyList<string> objectIds) =>

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Bindings/NavisworksSelectionBinding.cs

@@ -26,7 +26,7 @@ public class NavisworksSelectionBinding : ISelectionBinding
   }
 
   private void OnSelectionChange(object? o, EventArgs eventArgs) =>
-    _idleManager.SubscribeToIdle(nameof(NavisworksSelectionBinding), async () => await UpdateSelectionAsync());
+    _idleManager.SubscribeToIdle(nameof(UpdateSelectionAsync), async () => await UpdateSelectionAsync());
 
   private async Task UpdateSelectionAsync()
   {
@@ -38,7 +38,8 @@ public class NavisworksSelectionBinding : ISelectionBinding
   {
     // Ensure there is an active document and a valid selection
     var activeDocument = NavisworksApp.ActiveDocument;
-    if (activeDocument == null || activeDocument.CurrentSelection.SelectedItems.IsEmpty)
+    var selection = activeDocument?.CurrentSelection?.SelectedItems ?? [];
+    if (selection.Count == 0)
     {
       // Return an empty list if no valid selection exists
       return new SelectionInfo([], "No selection available");
@@ -46,8 +47,8 @@ public class NavisworksSelectionBinding : ISelectionBinding
 
     // Ensure only visible elements are processed by filtering using IsElementVisible
     var selectedObjectsIds = new HashSet<string>(
-      activeDocument
-        .CurrentSelection.SelectedItems.Where(_selectionService.IsVisible) // Exclude hidden elements
+      selection
+        .Where(_selectionService.IsVisible) // Exclude hidden elements
         .Select(_selectionService.GetModelItemPath) // Resolve to index paths
     );
 

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Bindings/NavisworksSendBinding.cs

@@ -1,5 +1,6 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
+using Speckle.Connector.Navisworks.Operations.Send.Filters;
 using Speckle.Connector.Navisworks.Operations.Send.Settings;
 using Speckle.Connector.Navisworks.Services;
 using Speckle.Connectors.Common.Cancellation;
@@ -30,7 +31,6 @@ public class NavisworksSendBinding : ISendBinding
 
   private readonly DocumentModelStore _store;
   private readonly IServiceProvider _serviceProvider;
-  private readonly List<ISendFilter> _sendFilters;
   private readonly ICancellationManager _cancellationManager;
   private readonly IOperationProgressManager _operationProgressManager;
   private readonly ILogger<NavisworksSendBinding> _logger;
@@ -44,7 +44,6 @@ public class NavisworksSendBinding : ISendBinding
   public NavisworksSendBinding(
     DocumentModelStore store,
     IBrowserBridge parent,
-    IEnumerable<ISendFilter> sendFilters,
     IServiceProvider serviceProvider,
     ICancellationManager cancellationManager,
     IOperationProgressManager operationProgressManager,
@@ -61,7 +60,6 @@ public class NavisworksSendBinding : ISendBinding
     Commands = new SendBindingUICommands(parent);
     _store = store;
     _serviceProvider = serviceProvider;
-    _sendFilters = sendFilters.ToList();
     _cancellationManager = cancellationManager;
     _operationProgressManager = operationProgressManager;
     _logger = logger;
@@ -76,7 +74,12 @@ public class NavisworksSendBinding : ISendBinding
 
   private static void SubscribeToNavisworksEvents() { }
 
-  public List<ISendFilter> GetSendFilters() => _sendFilters;
+  // Do not change the behavior/scope of this class on send binding unless make sure the behavior is same. Otherwise, we might not be able to update list of saved sets.
+  public List<ISendFilter> GetSendFilters() =>
+    [
+      new NavisworksSelectionFilter() { IsDefault = true },
+      new NavisworksSavedSetsFilter(new ElementSelectionService())
+    ];
 
   public List<ICardSetting> GetSendSettings() =>
     [
@@ -84,6 +87,7 @@ public class NavisworksSendBinding : ISendBinding
       new OriginModeSetting(OriginMode.ModelOrigin),
       new IncludeInternalPropertiesSetting(false),
       new ConvertHiddenElementsSetting(false),
+      new PreserveModelHierarchySetting(false),
     ];
 
   public async Task Send(string modelCardId) =>
@@ -102,9 +106,21 @@ public class NavisworksSendBinding : ISendBinding
 
       using var cancellationItem = _cancellationManager.GetCancellationItem(modelCardId);
 
-      var navisworksModelItems = GetNavisworksModelItems(modelCard);
+      var progress = _operationProgressManager.CreateOperationProgressEventHandler(
+        Parent,
+        modelCard.ModelCardId.NotNull(),
+        cancellationItem.Token
+      );
 
-      var sendResult = await ExecuteSendOperation(scope, modelCard, navisworksModelItems, cancellationItem.Token);
+      var navisworksModelItems = await GetNavisworksModelItems(modelCard, progress);
+
+      var sendResult = await ExecuteSendOperation(
+        scope,
+        modelCard,
+        navisworksModelItems,
+        progress,
+        cancellationItem.Token
+      );
 
       await Commands.SetModelSendResult(modelCardId, sendResult.RootObjId, sendResult.ConversionResults);
     }
@@ -119,12 +135,16 @@ public class NavisworksSendBinding : ISendBinding
       _logger.LogModelCardHandledError(ex);
       await Commands.SetModelError(modelCardId, ex);
     }
+    finally
+    {
+      // otherwise the id of the operation persists on the cancellation manager and triggers 'Operations cancelled because of document swap!' message to UI.
+      _cancellationManager.CancelOperation(modelCardId);
+    }
   }
 
   private SenderModelCard GetModelCard(string modelCardId) =>
-    _store.GetModelById(modelCardId) is not SenderModelCard modelCard
-      ? throw new InvalidOperationException("No publish model card was found.")
-      : modelCard;
+    _store.GetModelById(modelCardId) as SenderModelCard
+    ?? throw new InvalidOperationException("No publish model card was found.");
 
   private void InitializeConverterSettings(IServiceScope scope, SenderModelCard modelCard) =>
     scope
@@ -134,43 +154,56 @@ public class NavisworksSendBinding : ISendBinding
           originMode: _toSpeckleSettingsManagerNavisworks.GetOriginMode(modelCard),
           visualRepresentationMode: _toSpeckleSettingsManagerNavisworks.GetVisualRepresentationMode(modelCard),
           convertHiddenElements: _toSpeckleSettingsManagerNavisworks.GetConvertHiddenElements(modelCard),
-          includeInternalProperties: _toSpeckleSettingsManagerNavisworks.GetIncludeInternalProperties(modelCard)
+          includeInternalProperties: _toSpeckleSettingsManagerNavisworks.GetIncludeInternalProperties(modelCard),
+          preserveModelHierarchy: _toSpeckleSettingsManagerNavisworks.GetPreserveModelHierarchy(modelCard)
         )
       );
 
-  private List<NAV.ModelItem> GetNavisworksModelItems(SenderModelCard modelCard)
+  private async Task<List<NAV.ModelItem>> GetNavisworksModelItems(
+    SenderModelCard modelCard,
+    IProgress<CardProgress> onOperationProgressed
+  )
   {
     var selectedPaths = modelCard.SendFilter.NotNull().RefreshObjectIds();
+    var convertHiddenElementsSetting =
+      modelCard.Settings!.FirstOrDefault(s => s.Id == "convertHiddenElements")?.Value as bool? ?? false;
+    var message = convertHiddenElementsSetting
+      ? "No visible objects were found to convert. Please update your publish filter!"
+      : "No objects were found to convert. Please update your publish filter, or check items are visible!";
+
     if (selectedPaths.Count == 0)
     {
-      throw new SpeckleSendFilterException("No objects were found to convert. Please update your publish filter!");
+      throw new SpeckleSendFilterException(message);
     }
+    onOperationProgressed.Report(new CardProgress("Getting selection...", null));
+    await Task.CompletedTask;
 
-    var modelItems = modelCard
-      .SendFilter.NotNull()
-      .RefreshObjectIds()
-      .Select(_selectionService.GetModelItemFromPath)
-      .SelectMany(_selectionService.GetGeometryNodes)
-      .Where(_selectionService.IsVisible)
-      .ToList();
-
-    return modelItems.Count == 0
-      ? throw new SpeckleSendFilterException("No objects were found to convert. Please update your publish filter!")
-      : modelItems;
+    var modelItems = new List<NAV.ModelItem>();
+    double count = 0;
+    foreach (var path in selectedPaths)
+    {
+      onOperationProgressed.Report(new CardProgress("Getting selection...", count / selectedPaths.Count));
+      await Task.CompletedTask;
+      var modelItem = _selectionService.GetModelItemFromPath(path);
+      modelItems.AddRange(_selectionService.GetGeometryNodes(modelItem).Where(_selectionService.IsVisible));
+      count++;
+    }
+    return modelItems.Count == 0 ? throw new SpeckleSendFilterException(message) : modelItems;
   }
 
   private async Task<SendOperationResult> ExecuteSendOperation(
     IServiceScope scope,
     SenderModelCard modelCard,
     List<NAV.ModelItem> navisworksModelItems,
+    IProgress<CardProgress> onOperationProgressed,
     CancellationToken token
   ) =>
     await scope
       .ServiceProvider.GetRequiredService<SendOperation<NAV.ModelItem>>()
       .Execute(
         navisworksModelItems,
-        modelCard.GetSendInfo(_speckleApplication.Slug),
-        _operationProgressManager.CreateOperationProgressEventHandler(Parent, modelCard.ModelCardId.NotNull(), token),
+        modelCard.GetSendInfo(_speckleApplication.ApplicationAndVersion),
+        onOperationProgressed,
         token
       );
 

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/DependencyInjection/NavisworksConnectorServiceRegistration.cs

@@ -67,6 +67,7 @@ public static class NavisworksConnectorServiceRegistration
 
     // register filters
     serviceCollection.AddScoped<ISendFilter, NavisworksSelectionFilter>();
+    serviceCollection.AddScoped<ISendFilter, NavisworksSavedSetsFilter>();
     serviceCollection.AddScoped<IElementSelectionService, ElementSelectionService>();
   }
 }

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Extensions/ElementSelectionService.cs

@@ -1,23 +1,31 @@
-using static Speckle.Converter.Navisworks.Helpers.ElementSelectionHelper;
+using Speckle.InterfaceGenerator;
+using static Speckle.Converter.Navisworks.Helpers.ElementSelectionHelper;
 
 namespace Speckle.Connector.Navisworks.Services;
 
-public interface IElementSelectionService
-{
-  string GetModelItemPath(NAV.ModelItem modelItem);
-  NAV.ModelItem GetModelItemFromPath(string path);
-  bool IsVisible(NAV.ModelItem modelItem);
-  IReadOnlyCollection<NAV.ModelItem> GetGeometryNodes(NAV.ModelItem modelItem);
-}
-
+[GenerateAutoInterface]
 public class ElementSelectionService : IElementSelectionService
 {
+  private readonly Dictionary<Guid, bool> _visibleCache = new();
+
   public string GetModelItemPath(NAV.ModelItem modelItem) => ResolveModelItemToIndexPath(modelItem);
 
   public NAV.ModelItem GetModelItemFromPath(string path) => ResolveIndexPathToModelItem(path);
 
-  public bool IsVisible(NAV.ModelItem modelItem) => IsElementVisible(modelItem);
+  public bool IsVisible(NAV.ModelItem modelItem)
+  {
+    var key = modelItem.InstanceGuid;
+    if (_visibleCache.TryGetValue(key, out var isVisible))
+    {
+      return isVisible;
+    }
+    //same as ElementSelectionHelper.IsElementVisible
+    foreach (var item in modelItem.AncestorsAndSelf)
+    {
+      _visibleCache[item.InstanceGuid] = !item.IsHidden;
+    }
+    return _visibleCache[key];
+  }
 
-  public IReadOnlyCollection<NAV.ModelItem> GetGeometryNodes(NAV.ModelItem modelItem) =>
-    ResolveGeometryLeafNodes(modelItem);
+  public IEnumerable<NAV.ModelItem> GetGeometryNodes(NAV.ModelItem modelItem) => ResolveGeometryLeafNodes(modelItem);
 }

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/HostApp/NavisworksColorUnpacker.cs

@@ -43,12 +43,13 @@ public class NavisworksColorUnpacker(
     Dictionary<string, ColorProxy> colorProxies = [];
     Dictionary<string, string> mergedIds = [];
 
-    // Build mergedIds map once
     foreach (var group in groupedNodes)
     {
-      foreach (var node in group.Value)
+      string groupKey = group.Key;
+
+      foreach (var nodePath in group.Value.Select(selectionService.GetModelItemPath))
       {
-        mergedIds[selectionService.GetModelItemPath(node)] = group.Key;
+        mergedIds[nodePath] = groupKey;
       }
     }
 
@@ -56,13 +57,13 @@ public class NavisworksColorUnpacker(
     {
       try
       {
-        // Skip non-2D elements
         if (!Is2DElement(navisworksObject))
         {
           continue;
         }
 
         var navisworksObjectId = selectionService.GetModelItemPath(navisworksObject);
+
         var finalId = mergedIds.TryGetValue(navisworksObjectId, out var mergedId) ? mergedId : navisworksObjectId;
 
         var geometry = navisworksObject.Geometry;
@@ -77,7 +78,6 @@ public class NavisworksColorUnpacker(
           geometry.OriginalColor,
           defaultColor
         );
-
         var colorId = Select(
           mode,
           $"{geometry.ActiveColor.GetHashCode()}_{geometry.ActiveTransparency}".GetHashCode(),

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/HostApp/NavisworksDocumentEvents.cs

@@ -77,7 +77,10 @@ public sealed class NavisworksDocumentEvents
 
     _topLevelExceptionHandler.CatchUnhandled(
       () =>
-        _idleManager.SubscribeToIdle(nameof(NavisworksDocumentEvents), async () => await ProcessModelStateChangeAsync())
+        _idleManager.SubscribeToIdle(
+          nameof(ProcessModelStateChangeAsync),
+          async () => await ProcessModelStateChangeAsync()
+        )
     );
   }
 

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/HostApp/NavisworksMaterialUnpacker.cs

@@ -43,12 +43,13 @@ public class NavisworksMaterialUnpacker(
     Dictionary<string, RenderMaterialProxy> renderMaterialProxies = [];
     Dictionary<string, string> mergedIds = [];
 
-    // Build mergedIds map once
     foreach (var group in groupedNodes)
     {
-      foreach (var node in group.Value)
+      string groupKey = group.Key;
+
+      foreach (var nodePath in group.Value.Select(selectionService.GetModelItemPath))
       {
-        mergedIds[selectionService.GetModelItemPath(node)] = group.Key;
+        mergedIds[nodePath] = groupKey;
       }
     }
 
@@ -63,7 +64,6 @@ public class NavisworksMaterialUnpacker(
 
         var navisworksObjectId = selectionService.GetModelItemPath(navisworksObject);
         var finalId = mergedIds.TryGetValue(navisworksObjectId, out var mergedId) ? mergedId : navisworksObjectId;
-
         var geometry = navisworksObject.Geometry;
         var mode = converterSettings.Current.User.VisualRepresentationMode;
 
@@ -76,7 +76,6 @@ public class NavisworksMaterialUnpacker(
           geometry.OriginalColor,
           defaultColor
         );
-
         var renderTransparency = Select(
           mode,
           geometry.ActiveTransparency,
@@ -84,7 +83,6 @@ public class NavisworksMaterialUnpacker(
           geometry.OriginalTransparency,
           0.0
         );
-
         var renderMaterialId = Select(
           mode,
           $"{geometry.ActiveColor.GetHashCode()}_{geometry.ActiveTransparency}".GetHashCode(),

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Operations/Send/Filters/NavisworksSavedSetsFilter.cs

@@ -0,0 +1,132 @@
+using Speckle.Connector.Navisworks.Services;
+using Speckle.Connectors.DUI.Exceptions;
+using Speckle.Connectors.DUI.Models.Card.SendFilter;
+using Speckle.Connectors.DUI.Utils;
+using Speckle.Converter.Navisworks.Constants;
+
+namespace Speckle.Connector.Navisworks.Operations.Send.Filters;
+
+public class NavisworksSavedSetsFilter : DiscriminatedObject, ISendFilterSelect
+{
+  private readonly IElementSelectionService _selectionService;
+
+  public NavisworksSavedSetsFilter(IElementSelectionService selectionService)
+  {
+    _selectionService = selectionService;
+
+    Items = [];
+    SelectedItems = [];
+
+    GetSavedSets();
+  }
+
+  public string Id { get; set; } = "navisworksSavedSets";
+  public string Name { get; set; } = "Saved Sets";
+  public string Type { get; set; } = "Select";
+  public string? Summary { get; set; }
+  public bool IsDefault { get; set; }
+  public List<string> SelectedObjectIds { get; set; } = [];
+  public Dictionary<string, string>? IdMap { get; set; }
+
+  public bool IsMultiSelectable { get; set; } = true;
+  public List<SendFilterSelectItem> SelectedItems { get; set; }
+  public List<SendFilterSelectItem> Items { get; set; }
+
+  public List<string> RefreshObjectIds()
+  {
+    List<string> objectIds = [];
+
+    if (SelectedItems.Count == 0)
+    {
+      return objectIds;
+    }
+
+    var selectionSets = NavisworksApp.ActiveDocument.SelectionSets;
+
+    foreach (var selectedSetGuid in SelectedItems)
+    {
+      var guid = new Guid(selectedSetGuid.Id);
+      var selectionSetItem =
+        selectionSets.ResolveGuid(guid)
+        ?? throw new SpeckleSendFilterException($"Selection set with GUID {guid} not found.");
+      var selectionSet = (NAV.SelectionSet)selectionSetItem;
+      if (selectionSet.HasSearch)
+      {
+        objectIds.AddRange(ResolveSearchSet(selectionSet.Search));
+      }
+
+      if (selectionSet.HasExplicitModelItems)
+      {
+        objectIds.AddRange(ResolveSelectionSet(selectionSet.ExplicitModelItems));
+      }
+    }
+
+    return objectIds;
+  }
+
+  private IEnumerable<string> ResolveSelectionSet(NAV.ModelItemCollection selectionSetExplicitModelItems) =>
+    selectionSetExplicitModelItems
+      .Where(_selectionService.IsVisible) // Exclude hidden elements
+      .Select(_selectionService.GetModelItemPath) // Resolve to index paths
+      .ToList();
+
+  private IEnumerable<string> ResolveSearchSet(NAV.Search selectionSetSearch) =>
+    selectionSetSearch
+      .FindAll(NavisworksApp.ActiveDocument, false)
+      .Where(_selectionService.IsVisible)
+      .Select(_selectionService.GetModelItemPath)
+      .ToList();
+
+  /// <summary>
+  /// Since it is called from constructor, it is re-called whenever UI calls SendBinding.GetSendFilters() on SendFilter dialog.
+  /// Do not change the behavior/scope of this class on send binding unless make sure the behavior is same. Otherwise, we might not be able to update list of saved sets.
+  /// </summary>
+  private void GetSavedSets()
+  {
+    List<NAV.SelectionSet> savedSetRecords = [];
+
+    CollectSavedSets(NavisworksApp.ActiveDocument.SelectionSets.RootItem, savedSetRecords);
+
+    Items = savedSetRecords
+      .Select(setRecord =>
+      {
+        string hierarchicalName = BuildHierarchicalName(setRecord);
+        return new SendFilterSelectItem(setRecord.Guid.ToString(), hierarchicalName);
+      })
+      .ToList();
+  }
+
+  private static void CollectSavedSets(NAV.SavedItem parentItem, List<NAV.SelectionSet> collectedSets)
+  {
+    if (!parentItem.IsGroup)
+    {
+      return;
+    }
+
+    foreach (NAV.SavedItem item in ((NAV.FolderItem)parentItem).Children)
+    {
+      if (item.IsGroup)
+      {
+        CollectSavedSets(item, collectedSets);
+      }
+      else
+      {
+        collectedSets.Add((NAV.SelectionSet)item);
+      }
+    }
+  }
+
+  private static string BuildHierarchicalName(NAV.SavedItem item)
+  {
+    var pathParts = new List<string> { item.DisplayName };
+
+    var current = item.Parent;
+    while (current != null && current != NavisworksApp.ActiveDocument.SelectionSets.RootItem)
+    {
+      pathParts.Insert(0, current.DisplayName);
+      current = current.Parent;
+    }
+
+    return string.Join(PathConstants.SET_SEPARATOR, pathParts);
+  }
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Operations/Send/GeometryNodeMerger.cs

@@ -1,4 +1,5 @@
 using Speckle.Connector.Navisworks.Services;
+using Speckle.Converter.Navisworks.Constants;
 
 namespace Speckle.Connector.Navisworks.Operations.Send;
 
@@ -7,16 +8,158 @@ namespace Speckle.Connector.Navisworks.Operations.Send;
 /// </summary>
 public static class GeometryNodeMerger
 {
-  public static Dictionary<string, List<NAV.ModelItem>> GroupSiblingGeometryNodes(IReadOnlyList<NAV.ModelItem> nodes) =>
-    nodes
+  /// <summary>
+  /// Groups sibling geometry nodes based on material properties for merging.
+  /// Only merges nodes that share the same parent and have identical material properties.
+  /// </summary>
+  /// <param name="nodes">The collection of ModelItems to process</param>
+  /// <returns>Dictionary mapping parent paths (with material signature suffix) to their mergeable child nodes</returns>
+  public static Dictionary<string, List<NAV.ModelItem>> GroupSiblingGeometryNodes(IReadOnlyList<NAV.ModelItem> nodes)
+  {
+    var selectionService = new ElementSelectionService();
+
+    // Group nameless geometry nodes by parent path and material signature
+    var mergeableGroups = nodes
       .Where(node => node.HasGeometry && string.IsNullOrEmpty(node.DisplayName)) // Only anonymous geometry nodes
       .GroupBy(node =>
       {
-        var service = new ElementSelectionService();
-        var path = service.GetModelItemPath(node);
+        // Get parent path
+        var path = selectionService.GetModelItemPath(node);
         var lastSeparatorIndex = path.LastIndexOf(PathConstants.SEPARATOR);
-        return lastSeparatorIndex == -1 ? path : path[..lastSeparatorIndex];
+        var parentPath = lastSeparatorIndex == -1 ? path : path[..lastSeparatorIndex];
+
+        // Generate material signature
+        string signature = GenerateSignature(node);
+
+        // Combine parent path with signature
+        return $"{parentPath}{PathConstants.MATERIAL_SEPARATOR}{signature}";
       })
-      .Where(group => group.Count() > 1) // Only group multiples
+      .Where(group => group.Count() > 1) // Only include groups with multiple children
       .ToDictionary(group => group.Key, group => group.ToList());
+
+    return mergeableGroups;
+  }
+
+  /// <summary>
+  /// Generates a signature for a node based on material properties
+  /// </summary>
+  private static string GenerateSignature(NAV.ModelItem node)
+  {
+    var signatureProperties = new Dictionary<string, object>();
+
+    // We can as many signature defining methods as we want here
+    AddMaterialProperties(node, signatureProperties);
+
+    // When we are done adding properties, we can generate the signature
+    return GetSignature(signatureProperties);
+  }
+
+  /// <summary>
+  /// Adds material-related properties to the properties dictionary
+  /// </summary>
+  private static void AddMaterialProperties(NAV.ModelItem node, Dictionary<string, object> properties)
+  {
+    if (!node.HasGeometry || node.Geometry == null)
+    {
+      return;
+    }
+
+    var geometry = node.Geometry;
+    if (geometry.ActiveColor != null)
+    {
+      properties["ActiveColor"] = (geometry.ActiveColor.R, geometry.ActiveColor.G, geometry.ActiveColor.B);
+      properties["ActiveTransparency"] = geometry.ActiveTransparency;
+    }
+
+    // Add material name if available
+    var materialName = GetMaterialName(node);
+    if (!string.IsNullOrEmpty(materialName))
+    {
+      properties["MaterialName"] = materialName;
+    }
+  }
+
+  /// <summary>
+  /// Creates a hash-based signature from a dictionary of properties.
+  /// </summary>
+  /// <param name="properties">Dictionary containing property name/value pairs to include in the signature</param>
+  /// <param name="hashLength">Length of the returned hash string (default: 8 characters)</param>
+  /// <returns>A hash string representing the combined properties</returns>
+  private static string GetSignature(Dictionary<string, object> properties, int hashLength = 8)
+  {
+    if (properties.Count == 0)
+    {
+      return "empty";
+    }
+
+    // Build a consistent string representation of all properties
+    var hashInput = new System.Text.StringBuilder();
+
+    // Sort keys to ensure consistent order
+    var sortedKeys = properties.Keys.OrderBy(k => k).ToList();
+
+    foreach (var key in sortedKeys)
+    {
+      var value = properties[key];
+      switch (value)
+      {
+        case null:
+          continue;
+        // Format numbers with fixed precision to avoid floating point inconsistencies
+        case double doubleValue:
+          hashInput.Append($"{key}:{Math.Round(doubleValue, 6)}_");
+          break;
+        case float floatValue:
+          hashInput.Append($"{key}:{Math.Round(floatValue, 6)}_");
+          break;
+        default:
+          hashInput.Append($"{key}:{value.GetHashCode()}_");
+          break;
+      }
+    }
+
+    if (hashInput.Length == 0)
+    {
+      return "empty";
+    }
+
+    // Use MD5 hash with warning suppression
+#pragma warning disable CA5351 // Do Not Use Broken Cryptographic Algorithms
+    using var md5 = System.Security.Cryptography.MD5.Create();
+    var inputBytes = System.Text.Encoding.UTF8.GetBytes(hashInput.ToString());
+    var hashBytes = md5.ComputeHash(inputBytes);
+#pragma warning restore CA5351
+
+    var fullHashString = BitConverter.ToString(hashBytes).Replace("-", "");
+    return fullHashString[..Math.Min(hashLength, fullHashString.Length)];
+  }
+
+  /// <summary>
+  /// Extracts material name from a node if available.
+  /// </summary>
+  private static string GetMaterialName(NAV.ModelItem node)
+  {
+    // Check Item category for material name
+    var itemCategory = node.PropertyCategories.FindCategoryByDisplayName("Item");
+    if (itemCategory != null)
+    {
+      var itemProperties = itemCategory.Properties;
+      var itemMaterial = itemProperties.FindPropertyByDisplayName("Material");
+      if (itemMaterial != null && !string.IsNullOrEmpty(itemMaterial.DisplayName))
+      {
+        return itemMaterial.Value.ToDisplayString();
+      }
+    }
+
+    // Check Material category for material name
+    var materialPropertyCategory = node.PropertyCategories.FindCategoryByDisplayName("Material");
+    if (materialPropertyCategory == null)
+    {
+      return string.Empty;
+    }
+
+    var material = materialPropertyCategory.Properties;
+    var name = material.FindPropertyByDisplayName("Name");
+    return name != null && !string.IsNullOrEmpty(name.DisplayName) ? name.Value.ToDisplayString() : string.Empty;
+  }
 }

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Operations/Send/NavisworksHierarchyBuilder.cs

@@ -0,0 +1,146 @@
+using Speckle.Connector.Navisworks.Services;
+using Speckle.Converter.Navisworks.Constants;
+using Speckle.Converters.Common;
+using Speckle.Sdk.Models;
+using Speckle.Sdk.Models.Collections;
+
+namespace Speckle.Connector.Navisworks.Operations.Send;
+
+/// <summary>
+/// Rebuilds the Navisworks document hierarchy from converted geometry leaves while preserving
+/// the parent-child relationships between elements in the original model structure.
+/// </summary>
+public class NavisworksHierarchyBuilder
+{
+  private readonly Dictionary<string, Base?> _geometryLeaves;
+  private readonly IRootToSpeckleConverter _converter;
+  private readonly IElementSelectionService _selectionService;
+  private readonly Dictionary<string, Base> _allNodes;
+
+  /// <summary>
+  /// Initializes a new instance of the NavisworksHierarchyBuilder.
+  /// </summary>
+  /// <param name="geometryLeaves">Dictionary of path-indexed converted geometry elements</param>
+  /// <param name="converter">Converter to transform Navisworks elements to Speckle objects</param>
+  /// <param name="selectionService">Service for resolving Navisworks element paths</param>
+  public NavisworksHierarchyBuilder(
+    Dictionary<string, Base?> geometryLeaves,
+    IRootToSpeckleConverter converter,
+    IElementSelectionService selectionService
+  )
+  {
+    _geometryLeaves = geometryLeaves;
+    _converter = converter;
+    _selectionService = selectionService;
+    _allNodes = new Dictionary<string, Base>();
+  }
+
+  /// <summary>
+  /// Constructs a hierarchical tree of Speckle objects that mirrors the Navisworks document structure.
+  /// </summary>
+  /// <returns>List of root-level Speckle Base objects containing the full hierarchy</returns>
+  public List<Base> BuildHierarchy()
+  {
+    foreach (var kvp in _geometryLeaves)
+    {
+      if (kvp.Value != null)
+      {
+        _allNodes[kvp.Key] = kvp.Value;
+      }
+    }
+
+    // For each leaf path, traverse up the document structure converting any missing ancestors
+    foreach (var nodePath in _allNodes.ToList().Select(kvp => kvp.Key))
+    {
+      ClimbUpToRoot(nodePath);
+    }
+
+    var allPaths = _allNodes.Keys.ToList();
+    allPaths.Sort(
+      (a, b) =>
+      {
+        var depthA = a.Count(c => c == PathConstants.SEPARATOR);
+        var depthB = b.Count(c => c == PathConstants.SEPARATOR);
+        return depthB.CompareTo(depthA); // <- Sort in ascending order of path length
+      }
+    );
+
+    // Link nodes to parents and identify root nodes that have no recognized parent
+    var rootCandidates = new Dictionary<string, Base>(_allNodes);
+
+    foreach (var nodePath in allPaths)
+    {
+      if (nodePath == "0")
+      {
+        continue;
+      }
+
+      var nodeBase = _allNodes[nodePath];
+      var parentPath = GetParentPath(nodePath);
+
+      if (string.IsNullOrEmpty(parentPath))
+      {
+        continue;
+      }
+
+      // Navisworks API: Add child elements to parent collections
+      if (!_allNodes.TryGetValue(parentPath, out var parentBase) || parentBase is not Collection parentCollection)
+      {
+        continue;
+      }
+
+      parentCollection.elements.Add(nodeBase);
+      rootCandidates.Remove(nodePath);
+    }
+
+    var rootNodes = rootCandidates.Values.ToList();
+    PruneEmptyCollections(rootNodes);
+
+    return rootNodes;
+  }
+
+  private void ClimbUpToRoot(string currentPath)
+  {
+    while (!string.IsNullOrEmpty(currentPath) && currentPath != "0")
+    {
+      var parentPath = GetParentPath(currentPath);
+
+      if (string.IsNullOrEmpty(parentPath))
+      {
+        return;
+      }
+
+      if (_allNodes.ContainsKey(parentPath))
+      {
+        currentPath = parentPath;
+        continue;
+      }
+
+      var parentModelItem = _selectionService.GetModelItemFromPath(parentPath);
+      var parentConverted = _converter.Convert(parentModelItem);
+      _allNodes[parentPath] = parentConverted;
+
+      currentPath = parentPath;
+    }
+  }
+
+  private static string GetParentPath(string path)
+  {
+    var idx = path.LastIndexOf(PathConstants.SEPARATOR);
+    return idx == -1 ? string.Empty : path[..idx];
+  }
+
+  private static void PruneEmptyCollections(List<Base> nodes)
+  {
+    foreach (var node in nodes.ToList())
+    {
+      if (node is not Collection collection)
+      {
+        continue;
+      }
+
+      PruneEmptyCollections(collection.elements);
+      collection.elements.RemoveAll(child => child is Collection { elements.Count: 0 });
+    }
+  }
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Operations/Send/NavisworksRootObjectBuilder.cs

@@ -144,12 +144,27 @@ public class NavisworksRootObjectBuilder(
     Dictionary<string, List<NAV.ModelItem>> groupedNodes
   )
   {
+    // First build the grouped nodes as before
     var finalElements = new List<Base>();
     var processedPaths = new HashSet<string>();
-
     AddGroupedElements(finalElements, convertedBases, groupedNodes, processedPaths);
-    AddRemainingElements(finalElements, convertedBases, processedPaths);
 
+    // If hierarchy mode is enabled, reorganize into proper nested structure
+    if (converterSettings.Current.User.PreserveModelHierarchy)
+    {
+      var hierarchyBuilder = new NavisworksHierarchyBuilder(
+        convertedBases,
+        rootToSpeckleConverter,
+        elementSelectionService
+      );
+
+      var hierarchy = hierarchyBuilder.BuildHierarchy();
+
+      return hierarchy;
+    }
+
+    // Otherwise continue with flat mode
+    AddRemainingElements(finalElements, convertedBases, processedPaths);
     return finalElements;
   }
 
@@ -221,7 +236,8 @@ public class NavisworksRootObjectBuilder(
   /// </remarks>
   private NavisworksObject CreateNavisworksObject(string groupKey, List<Base> siblingBases)
   {
-    (string name, string path) = GetContext(groupKey);
+    string cleanParentPath = ElementSelectionHelper.GetCleanPath(groupKey);
+    (string name, string path) = GetContext(cleanParentPath);
 
     return new NavisworksObject
     {
@@ -229,7 +245,7 @@ public class NavisworksRootObjectBuilder(
       displayValue = siblingBases.SelectMany(b => b["displayValue"] as List<Base> ?? []).ToList(),
       properties = siblingBases.First()["properties"] as Dictionary<string, object?> ?? [],
       units = converterSettings.Current.Derived.SpeckleUnits,
-      applicationId = groupKey,
+      applicationId = groupKey, // Use the full composite key as applicationId to preserve uniqueness
       ["path"] = path
     };
   }

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Operations/Send/Settings/PreserveModelHierarchySetting.cs

@@ -0,0 +1,12 @@
+using Speckle.Connectors.DUI.Settings;
+
+namespace Speckle.Connector.Navisworks.Operations.Send.Settings;
+
+public class PreserveModelHierarchySetting(bool value) : ICardSetting
+{
+  public string? Id { get; set; } = "preserveModelHierarchy";
+  public string? Title { get; set; } = "Preserve Model Hierarchy";
+  public string? Type { get; set; } = "boolean";
+  public List<string>? Enum { get; set; }
+  public object? Value { get; set; } = value;
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Operations/Send/Settings/ToSpeckleSettingsManagerNavisworks.cs

@@ -17,6 +17,7 @@ public class ToSpeckleSettingsManagerNavisworks : IToSpeckleSettingsManagerNavis
   private readonly Dictionary<string, OriginMode> _originModeCache = [];
   private readonly Dictionary<string, bool?> _convertHiddenElementsCache = [];
   private readonly Dictionary<string, bool?> _includeInternalPropertiesCache = [];
+  private readonly Dictionary<string, bool?> _preserveModelHierarchyCache = [];
 
   public ToSpeckleSettingsManagerNavisworks(ISendConversionCache sendConversionCache)
   {
@@ -120,6 +121,23 @@ public class ToSpeckleSettingsManagerNavisworks : IToSpeckleSettingsManagerNavis
     return returnValue;
   }
 
+  public bool GetPreserveModelHierarchy([NotNull] SenderModelCard modelCard)
+  {
+    var value = modelCard.Settings?.FirstOrDefault(s => s.Id == "preserveModelHierarchy")?.Value as bool?;
+
+    var returnValue = value != null && value.NotNull();
+    if (_preserveModelHierarchyCache.TryGetValue(modelCard.ModelCardId.NotNull(), out var previousValue))
+    {
+      if (previousValue != returnValue)
+      {
+        EvictCacheForModelCard(modelCard);
+      }
+    }
+
+    _preserveModelHierarchyCache[modelCard.ModelCardId] = returnValue;
+    return returnValue;
+  }
+
   private void EvictCacheForModelCard(SenderModelCard modelCard)
   {
     var objectIds = modelCard.SendFilter != null ? modelCard.SendFilter.NotNull().SelectedObjectIds : [];

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/PathConstants.cs

@@ -1,6 +0,0 @@
-namespace Speckle.Connector.Navisworks;
-
-public static class PathConstants
-{
-  public const char SEPARATOR = '/';
-}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Plugin/PackageContents.xml

@@ -3,6 +3,12 @@
 <ApplicationPackage SchemaVersion="1.0" AutodeskProduct="Navisworks" Name="Speckle for Navisworks"
                     Description="Welcome to Multiplayer BIM." AppVersion="0.1.0" FriendlyVersion="0.1.0">
     <CompanyDetails Name="Speckle"/>
+    <Components>
+        <RuntimeRequirements OS="Win64" Platform="NAVMAN|NAVSIM" SeriesMin="Nw23" SeriesMax="Nw23"/>
+        <ComponentEntry AppName="SpeckleNavisworks" AppType="ManagedPlugin" Version="0.1.0"
+                        ModuleName="./Contents/2026/Speckle.Connectors.Navisworks2026.dll"
+                        AppDescription="Speckle.Connector.Navisworks2026"/>
+    </Components>
     <Components>
         <RuntimeRequirements OS="Win64" Platform="NAVMAN|NAVSIM" SeriesMin="Nw22" SeriesMax="Nw22"/>
         <ComponentEntry AppName="SpeckleNavisworks" AppType="ManagedPlugin" Version="0.1.0"

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Speckle.Connectors.NavisworksShared.projitems

@@ -21,14 +21,16 @@
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\NavisworksIdleManager.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\NavisworksMaterialUnpacker.cs"/>
     <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\GeometryNodeMerger.cs"/>
+    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\NavisworksHierarchyBuilder.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\NavisworksRootObjectBuilder.cs"/>
     <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\Settings\ConvertHiddenEleementsSetting.cs"/>
     <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\Settings\IncludeInternalPropertiesSetting.cs"/>
     <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\Settings\OriginModeSetting.cs"/>
+    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\Settings\PreserveModelHierarchySetting.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\Settings\ToSpeckleSettingsManagerNavisworks.cs"/>
     <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\Settings\VisualRepresentationSetting.cs"/>
     <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\Filters\NavisworksSelectionFilter.cs"/>
-    <Compile Include="$(MSBuildThisFileDirectory)PathConstants.cs"/>
+    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\Filters\NavisworksSavedSetsFilter.cs"/>
     <Compile Include="$(MSBuildThisFileDirectory)Plugin\BrowserPane.xaml.cs"/>
     <Compile Include="$(MSBuildThisFileDirectory)Plugin\DockableConnectorPane.cs"/>
     <Compile Include="$(MSBuildThisFileDirectory)Plugin\NavisworksRibbon.xaml.cs"/>

Connectors/Revit/Speckle.Connectors.Revit2022/packages.lock.json

@@ -287,9 +287,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -297,8 +297,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.logging": {
@@ -308,7 +308,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "speckle.converters.revit2022": {
@@ -348,16 +348,16 @@
       "Speckle.DoubleNumerics": {
         "type": "CentralTransitive",
         "requested": "[4.1.0, )",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "0S9YVdu5nx7SYS0y5Gq1nwCbxfYB2UxsUUCskaGmzRAm+QzHGqCLYHgadz7Sw5mNAF3bOTLVrOYMzyLAWFWxJA==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "rM1t+E8NIWFCPC3ndnMAI71B9ONiPFsz6GuIIdc5kth5AggQRGArPCalJBwA33ith2WtbjWOanI+PhHmpGQgGw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.255"
+          "Speckle.Sdk": "3.1.8"
         }
       },
       "Speckle.Revit.API": {
@@ -368,26 +368,26 @@
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "TsFpIv8ipvOD/r0se1XmcNPo7t5dWVadwV32Z6vUqoW3s94VIE54/ZTHNkRCEYHFhfOyTcFfbLegiei+0D13bQ==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "qIYRiYHO2UkKuy8ZbjYltKCqLesIcJOcCGTEzyTCbyij5aC1x8HnwFjGMeonUCPaeipEKhI/4HidEZ0CwWvnXg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0]",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "[7.0.5]",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "koFeWc/EB2XrMH2aKl2Hqwrqk/fAGYEVKgxFlFpnEAsbZf7Kk57gBQ3ViV5l6X9vqMHGWFc4dWUp24diq/XPtQ=="
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "+MWIemub3nlPnDJ7sHl5nDGFDIIfiBU2VxqNmTGKzWNtCjsDi6KYw5zpbvXnaNcIqFoexv3TKCurjvT2ejzyQw=="
       }
     }
   }

Connectors/Revit/Speckle.Connectors.Revit2023/packages.lock.json

@@ -287,9 +287,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -297,8 +297,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.logging": {
@@ -308,7 +308,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "speckle.converters.revit2023": {
@@ -348,16 +348,16 @@
       "Speckle.DoubleNumerics": {
         "type": "CentralTransitive",
         "requested": "[4.1.0, )",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "0S9YVdu5nx7SYS0y5Gq1nwCbxfYB2UxsUUCskaGmzRAm+QzHGqCLYHgadz7Sw5mNAF3bOTLVrOYMzyLAWFWxJA==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "rM1t+E8NIWFCPC3ndnMAI71B9ONiPFsz6GuIIdc5kth5AggQRGArPCalJBwA33ith2WtbjWOanI+PhHmpGQgGw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.255"
+          "Speckle.Sdk": "3.1.8"
         }
       },
       "Speckle.Revit.API": {
@@ -368,26 +368,26 @@
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "TsFpIv8ipvOD/r0se1XmcNPo7t5dWVadwV32Z6vUqoW3s94VIE54/ZTHNkRCEYHFhfOyTcFfbLegiei+0D13bQ==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "qIYRiYHO2UkKuy8ZbjYltKCqLesIcJOcCGTEzyTCbyij5aC1x8HnwFjGMeonUCPaeipEKhI/4HidEZ0CwWvnXg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0]",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "[7.0.5]",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "koFeWc/EB2XrMH2aKl2Hqwrqk/fAGYEVKgxFlFpnEAsbZf7Kk57gBQ3ViV5l6X9vqMHGWFc4dWUp24diq/XPtQ=="
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "+MWIemub3nlPnDJ7sHl5nDGFDIIfiBU2VxqNmTGKzWNtCjsDi6KYw5zpbvXnaNcIqFoexv3TKCurjvT2ejzyQw=="
       }
     }
   }

Connectors/Revit/Speckle.Connectors.Revit2024/packages.lock.json

@@ -287,9 +287,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -297,8 +297,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.logging": {
@@ -308,7 +308,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "speckle.converters.revit2024": {
@@ -348,16 +348,16 @@
       "Speckle.DoubleNumerics": {
         "type": "CentralTransitive",
         "requested": "[4.1.0, )",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "0S9YVdu5nx7SYS0y5Gq1nwCbxfYB2UxsUUCskaGmzRAm+QzHGqCLYHgadz7Sw5mNAF3bOTLVrOYMzyLAWFWxJA==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "rM1t+E8NIWFCPC3ndnMAI71B9ONiPFsz6GuIIdc5kth5AggQRGArPCalJBwA33ith2WtbjWOanI+PhHmpGQgGw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.255"
+          "Speckle.Sdk": "3.1.8"
         }
       },
       "Speckle.Revit.API": {
@@ -368,26 +368,26 @@
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "TsFpIv8ipvOD/r0se1XmcNPo7t5dWVadwV32Z6vUqoW3s94VIE54/ZTHNkRCEYHFhfOyTcFfbLegiei+0D13bQ==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "qIYRiYHO2UkKuy8ZbjYltKCqLesIcJOcCGTEzyTCbyij5aC1x8HnwFjGMeonUCPaeipEKhI/4HidEZ0CwWvnXg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0]",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "[7.0.5]",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "koFeWc/EB2XrMH2aKl2Hqwrqk/fAGYEVKgxFlFpnEAsbZf7Kk57gBQ3ViV5l6X9vqMHGWFc4dWUp24diq/XPtQ=="
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "+MWIemub3nlPnDJ7sHl5nDGFDIIfiBU2VxqNmTGKzWNtCjsDi6KYw5zpbvXnaNcIqFoexv3TKCurjvT2ejzyQw=="
       }
     }
   }

Connectors/Revit/Speckle.Connectors.Revit2025/packages.lock.json

@@ -237,9 +237,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )",
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.dui": {
@@ -247,8 +247,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.255, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.255, )"
+          "Speckle.Sdk": "[3.1.8, )",
+          "Speckle.Sdk.Dependencies": "[3.1.8, )"
         }
       },
       "speckle.connectors.logging": {
@@ -258,7 +258,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.255, )"
+          "Speckle.Objects": "[3.1.8, )"
         }
       },
       "speckle.converters.revit2025": {
@@ -298,16 +298,16 @@
       "Speckle.DoubleNumerics": {
         "type": "CentralTransitive",
         "requested": "[4.1.0, )",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "0S9YVdu5nx7SYS0y5Gq1nwCbxfYB2UxsUUCskaGmzRAm+QzHGqCLYHgadz7Sw5mNAF3bOTLVrOYMzyLAWFWxJA==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "rM1t+E8NIWFCPC3ndnMAI71B9ONiPFsz6GuIIdc5kth5AggQRGArPCalJBwA33ith2WtbjWOanI+PhHmpGQgGw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.255"
+          "Speckle.Sdk": "3.1.8"
         }
       },
       "Speckle.Revit.API": {
@@ -318,25 +318,25 @@
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "TsFpIv8ipvOD/r0se1XmcNPo7t5dWVadwV32Z6vUqoW3s94VIE54/ZTHNkRCEYHFhfOyTcFfbLegiei+0D13bQ==",
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "qIYRiYHO2UkKuy8ZbjYltKCqLesIcJOcCGTEzyTCbyij5aC1x8HnwFjGMeonUCPaeipEKhI/4HidEZ0CwWvnXg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "[7.0.5]",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0]",
-          "Microsoft.Extensions.Logging": "[2.2.0]",
-          "Speckle.DoubleNumerics": "4.0.1",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.255"
+          "Speckle.Sdk.Dependencies": "3.1.8"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.255, )",
-        "resolved": "3.1.0-dev.255",
-        "contentHash": "koFeWc/EB2XrMH2aKl2Hqwrqk/fAGYEVKgxFlFpnEAsbZf7Kk57gBQ3ViV5l6X9vqMHGWFc4dWUp24diq/XPtQ=="
+        "requested": "[3.1.8, )",
+        "resolved": "3.1.8",
+        "contentHash": "+MWIemub3nlPnDJ7sHl5nDGFDIIfiBU2VxqNmTGKzWNtCjsDi6KYw5zpbvXnaNcIqFoexv3TKCurjvT2ejzyQw=="
       }
     },
     "net8.0-windows7.0/win-x64": {

Connectors/Revit/Speckle.Connectors.RevitShared/Bindings/BasicConnectorBindingRevit.cs

@@ -82,6 +82,8 @@ internal sealed class BasicConnectorBindingRevit : IBasicConnectorBinding
 
   public void RemoveModel(ModelCard model) => _store.RemoveModel(model);
 
+  public void RemoveModels(List<ModelCard> models) => _store.RemoveModels(models);
+
   public async Task HighlightModel(string modelCardId)
   {
     var model = _store.GetModelById(modelCardId);
@@ -103,7 +105,12 @@ internal sealed class BasicConnectorBindingRevit : IBasicConnectorBinding
         var view = revitViewsFilter.GetView();
         if (view is not null)
         {
-          _revitContext.UIApplication.ActiveUIDocument.ActiveView = view;
+          await RevitTask
+            .RunAsync(() =>
+            {
+              _revitContext.UIApplication.ActiveUIDocument.ActiveView = view;
+            })
+            .ConfigureAwait(false);
         }
         return;
       }

Connectors/Revit/Speckle.Connectors.RevitShared/Bindings/RevitReceiveBinding.cs

@@ -8,6 +8,7 @@ using Speckle.Connectors.DUI.Bridge;
 using Speckle.Connectors.DUI.Logging;
 using Speckle.Connectors.DUI.Models;
 using Speckle.Connectors.DUI.Models.Card;
+using Speckle.Connectors.Revit.Plugin;
 using Speckle.Converters.Common;
 using Speckle.Converters.RevitShared.Settings;
 using Speckle.Sdk;
@@ -71,9 +72,10 @@ internal sealed class RevitReceiveBinding : IReceiveBinding
         .ServiceProvider.GetRequiredService<IConverterSettingsStore<RevitConversionSettings>>()
         .Initialize(
           _revitConversionSettingsFactory.Create(
-            DetailLevelType.Coarse, //TODO figure out
+            DetailLevelType.Coarse, // TODO figure out
             null,
-            false
+            false,
+            true
           )
         );
       // Receive host objects
@@ -98,6 +100,10 @@ internal sealed class RevitReceiveBinding : IReceiveBinding
       // Idea for later -> when cancel called, create promise from UI to solve it later with this catch block.
       // So have 3 state on UI -> Cancellation clicked -> Cancelling -> Cancelled
     }
+    catch (SpeckleRevitTaskException ex)
+    {
+      await SpeckleRevitTaskException.ProcessException(modelCardId, ex, _logger, Commands);
+    }
     catch (Exception ex) when (!ex.IsFatal()) // UX reasons - we will report operation exceptions as model card error. We may change this later when we have more exception documentation
     {
       _logger.LogModelCardHandledError(ex);

Connectors/Revit/Speckle.Connectors.RevitShared/Bindings/RevitSendBinding.cs

@@ -1,4 +1,3 @@
-using System.Collections.Concurrent;
 using Autodesk.Revit.DB;
 using Autodesk.Revit.DB.ExtensibleStorage;
 using Microsoft.Extensions.DependencyInjection;
@@ -6,6 +5,7 @@ using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Common.Caching;
 using Speckle.Connectors.Common.Cancellation;
 using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.Common.Threading;
 using Speckle.Connectors.DUI.Bindings;
 using Speckle.Connectors.DUI.Bridge;
 using Speckle.Connectors.DUI.Exceptions;
@@ -16,6 +16,7 @@ using Speckle.Connectors.DUI.Models.Card.SendFilter;
 using Speckle.Connectors.DUI.Settings;
 using Speckle.Connectors.Revit.HostApp;
 using Speckle.Connectors.Revit.Operations.Send.Settings;
+using Speckle.Connectors.Revit.Plugin;
 using Speckle.Connectors.RevitShared.Operations.Send.Filters;
 using Speckle.Converters.Common;
 using Speckle.Converters.RevitShared.Helpers;
@@ -40,6 +41,8 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
   private readonly IRevitConversionSettingsFactory _revitConversionSettingsFactory;
   private readonly ISpeckleApplication _speckleApplication;
   private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
+  private readonly LinkedModelHandler _linkedModelHandler;
+  private readonly IThreadContext _threadContext;
 
   /// <summary>
   /// Used internally to aggregate the changed objects' id. Note we're using a concurrent dictionary here as the expiry check method is not thread safe, and this was causing problems. See:
@@ -47,7 +50,7 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
   /// As to why a concurrent dictionary, it's because it's the cheapest/easiest way to do so.
   /// https://stackoverflow.com/questions/18922985/concurrent-hashsett-in-net-framework
   /// </summary>
-  private ConcurrentDictionary<ElementId, byte> ChangedObjectIds { get; set; } = new();
+  private ConcurrentHashSet<ElementId> ChangedObjectIds { get; set; } = new();
 
   public RevitSendBinding(
     IAppIdleManager idleManager,
@@ -63,7 +66,9 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
     ElementUnpacker elementUnpacker,
     IRevitConversionSettingsFactory revitConversionSettingsFactory,
     ISpeckleApplication speckleApplication,
-    ITopLevelExceptionHandler topLevelExceptionHandler
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    LinkedModelHandler linkedModelHandler,
+    IThreadContext threadContext
   )
     : base("sendBinding", bridge)
   {
@@ -80,6 +85,8 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
     _revitConversionSettingsFactory = revitConversionSettingsFactory;
     _speckleApplication = speckleApplication;
     _topLevelExceptionHandler = topLevelExceptionHandler;
+    _linkedModelHandler = linkedModelHandler;
+    _threadContext = threadContext;
 
     Commands = new SendBindingUICommands(bridge);
     // TODO expiry events
@@ -90,8 +97,6 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
     _store.DocumentChanged += (_, _) => topLevelExceptionHandler.FireAndForget(async () => await OnDocumentChanged());
   }
 
-  private async Task OnDocumentStoreChangedEvent(object _) => await Commands.NotifyDocumentChanged();
-
   public List<ISendFilter> GetSendFilters() =>
     [
       new RevitSelectionFilter() { IsDefault = true },
@@ -103,7 +108,8 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
     [
       new DetailLevelSetting(DetailLevelType.Medium),
       new ReferencePointSetting(ReferencePointType.InternalOrigin),
-      new SendParameterNullOrEmptyStringsSetting(false)
+      new SendParameterNullOrEmptyStringsSetting(false),
+      new LinkedModelsSetting(true)
     ];
 
   public void CancelSend(string modelCardId) => _cancellationManager.CancelOperation(modelCardId);
@@ -130,24 +136,24 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
           _revitConversionSettingsFactory.Create(
             _toSpeckleSettingsManager.GetDetailLevelSetting(modelCard),
             _toSpeckleSettingsManager.GetReferencePointSetting(modelCard),
-            _toSpeckleSettingsManager.GetSendParameterNullOrEmptyStringsSetting(modelCard)
+            _toSpeckleSettingsManager.GetSendParameterNullOrEmptyStringsSetting(modelCard),
+            _toSpeckleSettingsManager.GetLinkedModelsSetting(modelCard)
           )
         );
 
-      List<Element> elements = await RefreshElementsOnSender(modelCard.NotNull());
-      List<ElementId> elementIds = elements.Select(el => el.Id).ToList();
+      var elementsByTransform = await RefreshElementsIdsOnSender(modelCard.NotNull());
 
-      if (elementIds.Count == 0)
+      if (elementsByTransform.Count == 0)
       {
         // Handle as CARD ERROR in this function
         throw new SpeckleSendFilterException("No objects were found to convert. Please update your publish filter!");
       }
 
       var sendResult = await scope
-        .ServiceProvider.GetRequiredService<SendOperation<ElementId>>()
+        .ServiceProvider.GetRequiredService<SendOperation<DocumentToConvert>>()
         .Execute(
-          elementIds,
-          modelCard.GetSendInfo(_speckleApplication.Slug),
+          elementsByTransform,
+          modelCard.GetSendInfo(_speckleApplication.ApplicationAndVersion),
           _operationProgressManager.CreateOperationProgressEventHandler(Parent, modelCardId, cancellationItem.Token),
           cancellationItem.Token
         );
@@ -160,6 +166,10 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
       // Idea for later -> when cancel called, create promise from UI to solve it later with this catch block.
       // So have 3 state on UI -> Cancellation clicked -> Cancelling -> Cancelled
     }
+    catch (SpeckleRevitTaskException ex)
+    {
+      await SpeckleRevitTaskException.ProcessException(modelCardId, ex, _logger, Commands);
+    }
     catch (Exception ex) when (!ex.IsFatal()) // UX reasons - we will report operation exceptions as model card error. We may change this later when we have more exception documentation
     {
       _logger.LogModelCardHandledError(ex);
@@ -172,28 +182,76 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
     }
   }
 
-  private async Task<List<Element>> RefreshElementsOnSender(SenderModelCard modelCard)
+  private async Task<List<DocumentToConvert>> RefreshElementsIdsOnSender(SenderModelCard modelCard)
   {
     var activeUIDoc =
       _revitContext.UIApplication.NotNull().ActiveUIDocument
       ?? throw new SpeckleException("Unable to retrieve active UI document");
 
-    if (modelCard.SendFilter is IRevitSendFilter viewFilter)
+    if (modelCard.SendFilter.NotNull() is IRevitSendFilter viewFilter)
     {
       viewFilter.SetContext(_revitContext);
     }
 
-    var selectedObjects = modelCard.SendFilter.NotNull().RefreshObjectIds();
+    var selectedObjects = await _threadContext.RunOnMainAsync(
+      () => Task.FromResult(modelCard.SendFilter.NotNull().RefreshObjectIds())
+    );
 
-    List<Element> elements = selectedObjects
+    var allElements = selectedObjects
       .Select(uid => activeUIDoc.Document.GetElement(uid))
       .Where(el => el is not null)
       .ToList();
 
+    // split elements between main model and linked models
+    var elementsOnMainModel = allElements.Where(el => el is not RevitLinkInstance).ToList();
+    var linkedModels = allElements.OfType<RevitLinkInstance>().ToList();
+
+    // create context for main document elements
+    List<DocumentToConvert> documentElementContexts = [new(null, activeUIDoc.Document, elementsOnMainModel)];
+
+    // get the linked models setting - this decision belongs at this level
+    bool includeLinkedModels = _toSpeckleSettingsManager.GetLinkedModelsSetting(modelCard);
+
+    // ⚠️ process linked models - RevitSendBinding controls the flow based on settings!
+    // If setting not enabled, we won't unpack (see if-else block)
+    if (linkedModels.Count > 0)
+    {
+      var linkedDocumentContexts = new List<DocumentToConvert>();
+
+      foreach (var linkedModel in linkedModels)
+      {
+        var linkedDoc = linkedModel.GetLinkDocument();
+        if (linkedDoc == null)
+        {
+          continue;
+        }
+
+        var transform = linkedModel.GetTotalTransform().Inverse;
+
+        // decision about whether to process elements is made here, not in the handler
+        // only collects elements from linked models when the setting is enabled
+        if (includeLinkedModels)
+        {
+          // handler is only responsible for element collection mechanics
+          var linkedElements = _linkedModelHandler.GetLinkedModelElements(modelCard.SendFilter, linkedDoc, transform);
+          linkedDocumentContexts.Add(new(transform, linkedDoc, linkedElements));
+        }
+        // ⚠️ when disabled, still adds empty contexts to maintain warning generation in RevitRootObjectBuilder
+        // this approach (to signal that warnings are needed) relies on empty element lists which smells and is a bit of an implicit mechanism
+        // buuuuut, it works (for now 👀).
+        else
+        {
+          linkedDocumentContexts.Add(new(transform, linkedDoc, new List<Element>()));
+        }
+      }
+      documentElementContexts.AddRange(linkedDocumentContexts);
+    }
+
+    // update ID map
     if (modelCard.SendFilter is not null && modelCard.SendFilter.IdMap is not null)
     {
       var newSelectedObjectIds = new List<string>();
-      foreach (Element element in elements)
+      foreach (Element element in allElements)
       {
         modelCard.SendFilter.IdMap[element.Id.ToString()] = element.UniqueId;
         newSelectedObjectIds.Add(element.UniqueId);
@@ -207,7 +265,7 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
       );
     }
 
-    return elements;
+    return documentElementContexts;
   }
 
   /// <summary>
@@ -236,17 +294,17 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
 
     foreach (ElementId elementId in addedElementIds)
     {
-      ChangedObjectIds[elementId] = 1;
+      ChangedObjectIds.Add(elementId);
     }
 
     foreach (ElementId elementId in deletedElementIds)
     {
-      ChangedObjectIds[elementId] = 1;
+      ChangedObjectIds.Add(elementId);
     }
 
     foreach (ElementId elementId in modifiedElementIds)
     {
-      ChangedObjectIds[elementId] = 1;
+      ChangedObjectIds.Add(elementId);
     }
 
     if (addedElementIds.Count > 0)
@@ -267,7 +325,7 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
         var selectedObjects = sender.SendFilter.NotNull().SelectedObjectIds;
         objectIds.AddRange(selectedObjects);
       }
-      var unpackedObjectIds = _elementUnpacker.GetUnpackedElementIds(objectIds.ToList());
+      var unpackedObjectIds = _elementUnpacker.GetUnpackedElementIds(objectIds);
       _sendConversionCache.EvictObjects(unpackedObjectIds);
     }
 
@@ -313,7 +371,7 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
   {
     foreach (var sender in _store.GetSenders().ToList())
     {
-      await RefreshElementsOnSender(sender);
+      await RefreshElementsIdsOnSender(sender);
     }
   }
 
@@ -322,7 +380,7 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
   /// </summary>
   private async Task CheckFilterExpiration()
   {
-    // NOTE: below code seems like more make sense in terms of performance but it causes unmanaged exception on Revit
+    // NOTE: below code seems like more make sense in terms of performance, but it causes unmanaged exception on Revit
     // using var viewCollector = new FilteredElementCollector(RevitContext.UIApplication?.ActiveUIDocument.Document);
     // var views = viewCollector.OfClass(typeof(View)).Cast<View>().Select(v => v.Id).ToList();
     // var intersection = ChangedObjectIds.Keys.Intersect(views).ToList();
@@ -332,9 +390,7 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
     // }
 
     if (
-      ChangedObjectIds.Keys.Any(e =>
-        _revitContext.UIApplication.NotNull().ActiveUIDocument.Document.GetElement(e) is View
-      )
+      ChangedObjectIds.Any(e => _revitContext.UIApplication.NotNull().ActiveUIDocument.Document.GetElement(e) is View)
     )
     {
       await Commands.RefreshSendFilters();
@@ -353,7 +409,7 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
     }
 
     var objUniqueIds = new List<string>();
-    var changedIds = ChangedObjectIds.Keys.ToList();
+    var changedIds = ChangedObjectIds.ToList();
 
     // Handling type changes: if an element's type is changed, we need to mark as changed all objects that have that type.
     // Step 1: get any changed types
@@ -361,10 +417,10 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
       .Select(e => doc.GetElement(e))
       .OfType<ElementType>()
       .Select(el => el.Id)
-      .ToArray();
+      .ToHashSet(); // ToHashSet() for faster Contains
 
     // Step 2: Find all elements of the changed types, and add them to the changed ids list.
-    if (elementTypeIdsList.Length != 0)
+    if (elementTypeIdsList.Count != 0)
     {
       using var collector = new FilteredElementCollector(doc);
       var collectorElements = collector

Connectors/Revit/Speckle.Connectors.RevitShared/Bindings/SelectionBinding.cs

@@ -35,7 +35,7 @@ internal sealed class SelectionBinding : RevitBaseBinding, ISelectionBinding, ID
 #else
 
     _revitContext.UIApplication.NotNull().SelectionChanged += (_, _) =>
-      _idleManager.SubscribeToIdle(nameof(SelectionBinding), OnSelectionChanged);
+      _idleManager.SubscribeToIdle(nameof(OnSelectionChanged), OnSelectionChanged);
 #endif
   }
 
@@ -56,15 +56,16 @@ internal sealed class SelectionBinding : RevitBaseBinding, ISelectionBinding, ID
     }
 
     var activeUIDoc = _revitContext.UIApplication.ActiveUIDocument.NotNull();
+    var doc = activeUIDoc.Document;
 
     // POC: this was also being called on shutdown
     // probably the bridge needs to be able to know if the plugin has been terminated
     // also on termination the OnSelectionChanged event needs unwinding
-    var selectionIds = activeUIDoc
-      .Selection.GetElementIds()
-      .Select(eid => activeUIDoc.Document.GetElement(eid).UniqueId.ToString())
-      .ToList();
-    return new SelectionInfo(selectionIds, $"{selectionIds.Count} objects selected.");
+    var selectionIds = activeUIDoc.Selection.GetElementIds();
+    //reduce allocates by allocating what we need.
+    var selectionUniqueIds = new List<string>(selectionIds.Count);
+    selectionUniqueIds.AddRange(selectionIds.Select(eid => doc.GetElement(eid).UniqueId));
+    return new SelectionInfo(selectionUniqueIds, $"{selectionIds.Count} objects selected.");
   }
 
   public void Dispose()

Connectors/Revit/Speckle.Connectors.RevitShared/DependencyInjection/RevitConnectorModule.cs

@@ -48,18 +48,20 @@ public static class ServiceRegistration
     serviceCollection.AddSingleton<IAppIdleManager, RevitIdleManager>();
 
     // send operation and dependencies
-    serviceCollection.AddScoped<SendOperation<ElementId>>();
+    serviceCollection.AddScoped<SendOperation<DocumentToConvert>>();
     serviceCollection.AddScoped<ElementUnpacker>();
     serviceCollection.AddScoped<SendCollectionManager>();
-    serviceCollection.AddScoped<IRootObjectBuilder<ElementId>, RevitRootObjectBuilder>();
+    serviceCollection.AddScoped<IRootObjectBuilder<DocumentToConvert>, RevitRootObjectBuilder>();
     serviceCollection.AddSingleton<ISendConversionCache, SendConversionCache>();
     serviceCollection.AddSingleton<ToSpeckleSettingsManager>();
+    serviceCollection.AddSingleton<LinkedModelHandler>();
 
     // receive operation and dependencies
     serviceCollection.AddScoped<IHostObjectBuilder, RevitHostObjectBuilder>();
     serviceCollection.AddScoped<ITransactionManager, TransactionManager>();
     serviceCollection.AddScoped<RevitGroupBaker>();
     serviceCollection.AddScoped<RevitMaterialBaker>();
+    serviceCollection.AddScoped<RevitViewManager>();
     serviceCollection.AddSingleton<RevitUtils>();
     serviceCollection.AddSingleton<IFailuresPreprocessor, HideWarningsFailuresPreprocessor>();
     serviceCollection.AddSingleton(DefaultTraversal.CreateTraversalFunc());

Connectors/Revit/Speckle.Connectors.RevitShared/HostApp/DocumentToConvert.cs

@@ -0,0 +1,5 @@
+using Autodesk.Revit.DB;
+
+namespace Speckle.Connectors.Revit.HostApp;
+
+public record DocumentToConvert(Transform? Transform, Document Doc, List<Element> Elements);

Connectors/Revit/Speckle.Connectors.RevitShared/HostApp/ElementUnpacker.cs

@@ -1,6 +1,8 @@
 using Autodesk.Revit.DB;
 using Autodesk.Revit.DB.Architecture;
+using Speckle.Converters.Common;
 using Speckle.Converters.RevitShared.Helpers;
+using Speckle.Converters.RevitShared.Settings;
 
 namespace Speckle.Connectors.Revit.HostApp;
 
@@ -10,10 +12,12 @@ namespace Speckle.Connectors.Revit.HostApp;
 public class ElementUnpacker
 {
   private readonly RevitContext _revitContext;
+  private readonly IConverterSettingsStore<RevitConversionSettings> _converterSettings;
 
-  public ElementUnpacker(RevitContext revitContext)
+  public ElementUnpacker(RevitContext revitContext, IConverterSettingsStore<RevitConversionSettings> converterSettings)
   {
     _revitContext = revitContext;
+    _converterSettings = converterSettings;
   }
 
   /// <summary>
@@ -21,18 +25,21 @@ public class ElementUnpacker
   /// This method will also "pack" curtain walls if necessary (ie, if mullions or panels are selected without their parent curtain wall, they are sent independently; if the parent curtain wall is selected, they will be removed out as the curtain wall will include all its children).
   /// </summary>
   /// <param name="selectionElements"></param>
+  /// <param name="doc"> We use the nullable document (happiness level 5/10) for the sake of linked models - bc we use this function in 2 different places <br/>
+  /// 1- RootObjectBuilder with linked model document - otherwise we cannot unpack elements from correct document.<br/>
+  /// 2- Evicting the cache while introducing the settings</param>
   /// <returns></returns>
-  public IEnumerable<Element> UnpackSelectionForConversion(IEnumerable<Element> selectionElements)
+  public IEnumerable<Element> UnpackSelectionForConversion(IEnumerable<Element> selectionElements, Document? doc = null)
   {
     // Note: steps kept separate on purpose.
     // Step 1: unpack groups
-    var atomicObjects = UnpackElements(selectionElements);
+    var atomicObjects = UnpackElements(selectionElements, doc);
 
     // Step 2: pack curtain wall elements, once we know the full extent of our flattened item list.
     // The behaviour we're looking for:
     // If parent wall is part of selection, does not select individual elements out. Otherwise, selects individual elements (Panels, Mullions) as atomic objects.
     // NOTE: this also conditionally "packs" stacked wall elements if their parent is present. See detailed note inside the function.
-    return PackCurtainWallElementsAndStackedWalls(atomicObjects);
+    return PackCurtainWallElementsAndStackedWalls(atomicObjects, doc);
   }
 
   /// <summary>
@@ -43,38 +50,52 @@ public class ElementUnpacker
   /// <remarks>
   /// This is used to invalidate object ids in the send conversion cache when the selected object id is only the parent element id
   /// </remarks>
-  public IEnumerable<string> GetUnpackedElementIds(List<string> objectIds)
+  public IEnumerable<string> GetUnpackedElementIds(IEnumerable<string> objectIds)
   {
     var doc = _revitContext.UIApplication?.ActiveUIDocument.Document!;
     var docElements = doc.GetElements(objectIds);
     return UnpackSelectionForConversion(docElements).Select(o => o.UniqueId).ToList();
   }
 
-  private List<Element> UnpackElements(IEnumerable<Element> elements)
+  // We use the nullable document (happiness level 5/10) for the sake of linked models - bc we use this function in 2 different places
+  // 1- RootObjectBuilder with linked model document - otherwise we cannot unpack elements from correct document.
+  // 2- Evicting the cache while introducing the settings
+  private List<Element> UnpackElements(IEnumerable<Element> elements, Document? doc = null)
   {
     var unpackedElements = new List<Element>(); // note: could be a hashset/map so we prevent duplicates (?)
-    var doc = _revitContext.UIApplication?.ActiveUIDocument.Document!;
+    if (doc == null)
+    {
+      doc = _revitContext.UIApplication?.ActiveUIDocument.Document!;
+    }
 
     foreach (var element in elements)
     {
       // UNPACK: Groups
       if (element is Group g)
       {
+        // When a group is from a linked model, GetMemberIds may behave differently
+        // We add null checks to handle cases where elements can't be properly resolved
         // POC: this might screw up generating hosting rel generation here, because nested families in groups get flattened out by GetMemberIds().
-        var groupElements = g.GetMemberIds().Select(doc.GetElement);
+        var groupElements = g.GetMemberIds().Select(doc.GetElement).Where(el => el != null);
         unpackedElements.AddRange(UnpackElements(groupElements));
       }
       else if (element is BaseArray baseArray)
       {
-        var arrayElements = baseArray.GetCopiedMemberIds().Select(doc.GetElement);
-        var originalElements = baseArray.GetOriginalMemberIds().Select(doc.GetElement);
+        // For arrays, collect both copied and original members with null checks
+        // This handles cases where some elements might not resolve in linked contexts
+        var arrayElements = baseArray.GetCopiedMemberIds().Select(doc.GetElement).Where(el => el != null);
+        var originalElements = baseArray.GetOriginalMemberIds().Select(doc.GetElement).Where(el => el != null);
         unpackedElements.AddRange(UnpackElements(arrayElements));
         unpackedElements.AddRange(UnpackElements(originalElements));
       }
       // UNPACK: Family instances (as they potentially have nested families inside)
       else if (element is FamilyInstance familyInstance)
       {
-        var familyElements = familyInstance.GetSubComponentIds().Select(doc.GetElement).ToArray();
+        var familyElements = familyInstance
+          .GetSubComponentIds()
+          .Select(doc.GetElement)
+          .Where(el => el != null)
+          .ToArray();
 
         if (familyElements.Length != 0)
         {
@@ -85,7 +106,7 @@ public class ElementUnpacker
       }
       else if (element is MultistoryStairs multistoryStairs)
       {
-        var stairs = multistoryStairs.GetAllStairsIds().Select(doc.GetElement);
+        var stairs = multistoryStairs.GetAllStairsIds().Select(doc.GetElement).Where(el => el != null);
         unpackedElements.AddRange(UnpackElements(stairs));
       }
       else
@@ -95,13 +116,22 @@ public class ElementUnpacker
     }
     // Why filtering for duplicates? Well, well, well... it's related to the comment above on groups: if a group
     // contains a nested family, GetMemberIds() will return... duplicates of the exploded family components.
-    return unpackedElements.GroupBy(el => el.Id).Select(g => g.First()).ToList(); // no disinctBy in here sadly.
+
+    // Add null check before GroupBy to prevent NullReferenceException when processing linked models with groups
+    // This ensures we don't try to access .Id on any null elements that might have been added during the unpacking process
+    return unpackedElements.Where(el => el != null).GroupBy(el => el.Id).Select(g => g.First()).ToList(); // no disinctBy in here sadly.
   }
 
-  private List<Element> PackCurtainWallElementsAndStackedWalls(List<Element> elements)
+  // We use the nullable document (happiness level 5/10) for the sake of linked models - bc we use this function in 2 different places
+  // 1- RootObjectBuilder with linked model document - otherwise we cannot unpack elements from correct document.
+  // 2- Evicting the cache while introducing the settings
+  private List<Element> PackCurtainWallElementsAndStackedWalls(List<Element> elements, Document? doc = null)
   {
     var ids = elements.Select(el => el.Id).ToArray();
-    var doc = _revitContext.UIApplication?.ActiveUIDocument.Document!;
+    if (doc == null)
+    {
+      doc = _revitContext.UIApplication?.ActiveUIDocument.Document!;
+    }
     elements.RemoveAll(element =>
       (element is Mullion { Host: not null } m && ids.Contains(m.Host.Id))
       || (element is Panel { Host: not null } p && ids.Contains(p.Host.Id))

Connectors/Revit/Speckle.Connectors.RevitShared/HostApp/LinkedModelHandler.cs

@@ -0,0 +1,211 @@
+using System.IO;
+using Autodesk.Revit.DB;
+using Speckle.Connectors.DUI.Models.Card.SendFilter;
+using Speckle.Connectors.RevitShared;
+using Speckle.Connectors.RevitShared.Operations.Send.Filters;
+using Speckle.Converters.RevitShared.Helpers;
+using Speckle.Sdk;
+using Speckle.Sdk.Common;
+
+namespace Speckle.Connectors.Revit.HostApp;
+
+/// <summary>
+/// Handles unpacking elements inside linked models.
+/// This class is responsible for the mechanics of retrieving elements from linked documents
+/// based on different filter types, but not for making decisions about whether linked models
+/// should be processed (which is the responsibility of the calling code)!
+/// </summary>
+public class LinkedModelHandler
+{
+  private readonly RevitContext _revitContext;
+  public Dictionary<string, string> LinkedModelDisplayNames { get; } = new();
+
+  public LinkedModelHandler(RevitContext revitContext)
+  {
+    _revitContext = revitContext;
+  }
+
+  /// <summary>
+  /// Gets elements from a linked document based on the provided send filter.
+  /// This method handles the specifics of element collection but doesn't make decisions
+  /// about whether the linked model should be processed - that's the caller's responsibility.
+  /// </summary>
+  public List<Element> GetLinkedModelElements(ISendFilter sendFilter, Document linkedDocument, Transform? transform)
+  {
+    // send mode → Categories
+    if (sendFilter is RevitCategoriesFilter categoryFilter && categoryFilter.SelectedCategories is not null)
+    {
+      var categoryIds = categoryFilter
+        .SelectedCategories.Select(c => ElementIdHelper.GetElementId(c))
+        .OfType<ElementId>()
+        .ToList();
+
+      if (categoryIds.Count > 0)
+      {
+        return GetElementsByCategory(linkedDocument, categoryIds);
+      }
+      return new List<Element>();
+    }
+
+    // send mode → Views (taken from the legacy code)
+    if (sendFilter is RevitViewsFilter viewFilter && viewFilter.GetView() != null)
+    {
+      RevitLinkInstance linkInstance = FindLinkInstanceForDocument(
+        linkedDocument.PathName,
+        _revitContext.UIApplication.NotNull().ActiveUIDocument.Document,
+        transform
+      );
+
+#if REVIT2024_OR_GREATER
+      // revit 2024 and 2025 we can use the three-parameter constructor to get only visible elements
+      using var viewCollector = new FilteredElementCollector(
+        _revitContext.UIApplication.ActiveUIDocument.Document,
+        viewFilter.GetView().NotNull().Id,
+        linkInstance.Id
+      );
+      return viewCollector.WhereElementIsNotElementType().ToElements().ToList();
+#else
+      // 🚨 LIMITATION: in Revit 2023 and below, we can only check if the entire linked model is visible,
+      // not individual elements within it. If the linked model is visible, all its elements will be included.
+      // constructor overload pertaining to searching and filtering visible elements from a revit link only added 2024.
+      if (linkInstance.IsHidden(viewFilter.GetView().NotNull()))
+      {
+        return new List<Element>(); // if the linked model is hidden, return no elements
+      }
+      // 💩 fallback to getting all elements if the linked model is visible
+      return GetAllElementsForLinkedModelSelection(linkedDocument);
+#endif
+    }
+
+    // send mode → Selection
+    return GetAllElementsForLinkedModelSelection(linkedDocument);
+  }
+
+  /// <summary>
+  /// Prepares display names for linked model documents based on filename
+  /// </summary>
+  public void PrepareLinkedModelNames(IReadOnlyList<DocumentToConvert> documentElementContexts)
+  {
+    LinkedModelDisplayNames.Clear();
+    // Group linked models by filename
+    var linkedModels = documentElementContexts
+      .Where(ctx => ctx.Doc.IsLinked)
+      .GroupBy(ctx => Path.GetFileNameWithoutExtension(ctx.Doc.PathName))
+      .ToDictionary(g => g.Key, g => g.ToList());
+
+    // Create a unique key for each instance
+    foreach (var group in linkedModels)
+    {
+      string baseName = group.Key;
+      var instances = group.Value;
+
+      // Single instance - just use the base name
+      if (instances.Count == 1)
+      {
+        string id = GetIdFromDocumentToConvert(instances[0]);
+        LinkedModelDisplayNames[id] = baseName;
+      }
+      // Multiple instances - add numbering
+      else
+      {
+        for (int i = 0; i < instances.Count; i++)
+        {
+          string id = GetIdFromDocumentToConvert(instances[i]);
+          LinkedModelDisplayNames[id] = $"{baseName}_{i + 1}";
+        }
+      }
+    }
+  }
+
+  public string GetIdFromDocumentToConvert(DocumentToConvert documentToConvert) =>
+    documentToConvert.Doc.GetHashCode() + "-" + (documentToConvert.Transform?.GetHashCode() ?? 0);
+
+  /// <summary>
+  /// Gets elements from a document that belong to the specified categories.
+  /// </summary>
+  private List<Element> GetElementsByCategory(Document linkedDoc, List<ElementId> categoryIds)
+  {
+    using var multicategoryFilter = new ElementMulticategoryFilter(categoryIds);
+    using var collector = new FilteredElementCollector(linkedDoc);
+    return collector
+      .WhereElementIsNotElementType()
+      .WhereElementIsViewIndependent()
+      .WherePasses(multicategoryFilter)
+      .ToList();
+  }
+
+  // Helper method to generate a simple hash for a transform
+  // transformedElement.applicationId = ${applicationId}-t{transformHash}
+  public string GetTransformHash(Transform transform)
+  {
+    // create a simplified representation of the transform
+    string json =
+      $@"{{
+      ""origin"": [{transform.Origin.X:F2}, {transform.Origin.Y:F2}, {transform.Origin.Z:F2}],
+      ""basis"": [{transform.BasisX.X:F1}, {transform.BasisY.Y:F1}, {transform.BasisZ.Z:F1}]
+    }}";
+
+    byte[] jsonBytes = System.Text.Encoding.UTF8.GetBytes(json);
+
+#pragma warning disable CA1850
+    using (var sha256 = System.Security.Cryptography.SHA256.Create())
+    {
+      byte[] hashBytes = sha256.ComputeHash(jsonBytes);
+      // keep only the first 8 characters for a short but unique hash
+      return BitConverter.ToString(hashBytes).Replace("-", "").ToLowerInvariant()[..8];
+    }
+#pragma warning restore CA1850
+  }
+
+  /// <summary>
+  /// Retrieves all elements from the linked document when using selection filters.
+  /// When a linked model is selected in the main document, we include all elements
+  /// from that linked model since the selection is of the entire linked instance.
+  /// </summary>
+  private List<Element> GetAllElementsForLinkedModelSelection(Document linkedDoc)
+  {
+    using var collector = new FilteredElementCollector(linkedDoc);
+    return collector.WhereElementIsNotElementType().WhereElementIsViewIndependent().ToList();
+  }
+
+  /// <summary>
+  /// Finds a specific RevitLinkInstance that corresponds to a linked document with a matching transform.
+  /// </summary>
+  /// <param name="linkedDocumentPath">The file path of the linked document</param>
+  /// <param name="transform">The transform to match (expected to already be an inverse transform).
+  /// When provided with multiple instances of the same linked document, this is used to find the specific instance.</param>
+  /// <param name="mainDocument">The main Revit document containing the link instances</param>
+  /// <returns>The matching RevitLinkInstance, or the first available instance if no match is found</returns>
+  private RevitLinkInstance FindLinkInstanceForDocument(
+    string linkedDocumentPath,
+    Document mainDocument,
+    Transform? transform
+  )
+  {
+    using var collector = new FilteredElementCollector(mainDocument);
+    var linkInstances = collector
+      .OfClass(typeof(RevitLinkInstance))
+      .Cast<RevitLinkInstance>()
+      .Where(link => link.GetLinkDocument()?.PathName == linkedDocumentPath)
+      .ToList();
+
+    // if no transform or only one instance, just return the first
+    if (transform == null || linkInstances.Count <= 1)
+    {
+      return linkInstances.FirstOrDefault()
+        ?? throw new SpeckleException($"No link instance found for {linkedDocumentPath}");
+    }
+
+    // a match consists of not only the linked document path name but the transformation too (think linked instances)
+    // precompute our target hash once
+    string targetHash = GetTransformHash(transform);
+
+    // directly find the matching instance
+    var matchingInstance = linkInstances.FirstOrDefault(link =>
+      GetTransformHash(link.GetTotalTransform().Inverse) == targetHash
+    );
+
+    // return matching with a fallback to first (main) instance in case something goes funky with the hash
+    return matchingInstance ?? linkInstances.First();
+  }
+}

Connectors/Revit/Speckle.Connectors.RevitShared/HostApp/RevitDocumentStore.cs

@@ -2,7 +2,7 @@ using Autodesk.Revit.DB;
 using Autodesk.Revit.DB.ExtensibleStorage;
 using Autodesk.Revit.UI;
 using Autodesk.Revit.UI.Events;
-using Revit.Async;
+using Speckle.Connectors.Common.Threading;
 using Speckle.Connectors.DUI.Bridge;
 using Speckle.Connectors.DUI.Models;
 using Speckle.Connectors.DUI.Utils;
@@ -22,6 +22,7 @@ internal sealed class RevitDocumentStore : DocumentModelStore
   private readonly DocumentModelStorageSchema _documentModelStorageSchema;
   private readonly IdStorageSchema _idStorageSchema;
   private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
+  private readonly IThreadContext _threadContext;
 
   public RevitDocumentStore(
     IAppIdleManager idleManager,
@@ -29,7 +30,8 @@ internal sealed class RevitDocumentStore : DocumentModelStore
     IJsonSerializer jsonSerializer,
     DocumentModelStorageSchema documentModelStorageSchema,
     IdStorageSchema idStorageSchema,
-    ITopLevelExceptionHandler topLevelExceptionHandler
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    IThreadContext threadContext
   )
     : base(jsonSerializer)
   {
@@ -38,6 +40,7 @@ internal sealed class RevitDocumentStore : DocumentModelStore
     _documentModelStorageSchema = documentModelStorageSchema;
     _idStorageSchema = idStorageSchema;
     _topLevelExceptionHandler = topLevelExceptionHandler;
+    _threadContext = threadContext;
 
     UIApplication uiApplication = _revitContext.UIApplication.NotNull();
 
@@ -73,7 +76,7 @@ internal sealed class RevitDocumentStore : DocumentModelStore
 
     IsDocumentInit = true;
     _idleManager.SubscribeToIdle(
-      nameof(RevitDocumentStore),
+      nameof(LoadState) + nameof(OnDocumentChanged),
       () =>
       {
         LoadState();
@@ -91,23 +94,25 @@ internal sealed class RevitDocumentStore : DocumentModelStore
       return;
     }
 
-    RevitTask.RunAsync(() =>
-    {
-      using Transaction t = new(doc, "Speckle Write State");
-      t.Start();
-      using DataStorage ds = GetSettingsDataStorage(doc) ?? DataStorage.Create(doc);
+    _threadContext
+      .RunOnMain(() =>
+      {
+        using Transaction t = new(doc, "Speckle Write State");
+        t.Start();
+        using DataStorage ds = GetSettingsDataStorage(doc) ?? DataStorage.Create(doc);
 
-      using Entity stateEntity = new(_documentModelStorageSchema.GetSchema());
-      string serializedModels = Serialize();
-      stateEntity.Set("contents", serializedModels);
+        using Entity stateEntity = new(_documentModelStorageSchema.GetSchema());
+        string serializedModels = Serialize();
+        stateEntity.Set("contents", serializedModels);
 
-      using Entity idEntity = new(_idStorageSchema.GetSchema());
-      idEntity.Set("Id", s_revitDocumentStoreId);
+        using Entity idEntity = new(_idStorageSchema.GetSchema());
+        idEntity.Set("Id", s_revitDocumentStoreId);
 
-      ds.SetEntity(idEntity);
-      ds.SetEntity(stateEntity);
-      t.Commit();
-    });
+        ds.SetEntity(idEntity);
+        ds.SetEntity(stateEntity);
+        t.Commit();
+      })
+      .FireAndForget();
   }
 
   protected override void LoadState()

Connectors/Revit/Speckle.Connectors.RevitShared/HostApp/RevitViewManager.cs

@@ -0,0 +1,32 @@
+using Autodesk.Revit.DB;
+
+namespace Speckle.Connectors.Revit.HostApp;
+
+/// <summary>
+/// Handles Revit Views per Send/Receive, e.g. determines whether the View is supported for specific operation.
+/// </summary>
+public class RevitViewManager
+{
+  /// <summary>
+  /// Determine if the View is supported for Receive operation. Currently only 3d view or horizontal 2d views are supported.
+  /// Views like Section, Elevation, ViewSheet etc. are not supported
+  /// </summary>
+  public bool IsSupportedReceiveView(View activeView)
+  {
+    switch (activeView.ViewType)
+    {
+      case ViewType.ThreeD:
+      case ViewType.FloorPlan:
+      case ViewType.AreaPlan:
+      case ViewType.CeilingPlan:
+        return true;
+      case ViewType.Detail:
+        return IsHorizontalView(activeView);
+
+      default:
+        return false;
+    }
+  }
+
+  private bool IsHorizontalView(View activeView) => Math.Abs(activeView.ViewDirection.Z - 1) < 0.00001;
+}

Connectors/Revit/Speckle.Connectors.RevitShared/HostApp/SendCollectionManager.cs

@@ -1,6 +1,8 @@
+using System.IO;
 using Autodesk.Revit.DB;
 using Speckle.Converters.Common;
 using Speckle.Converters.RevitShared.Settings;
+using Speckle.Sdk;
 using Speckle.Sdk.Models.Collections;
 
 namespace Speckle.Connectors.Revit.HostApp;
@@ -12,6 +14,9 @@ public class SendCollectionManager
 {
   private readonly IConverterSettingsStore<RevitConversionSettings> _converterSettings;
   private readonly Dictionary<string, Collection> _collectionCache = new();
+  private readonly Dictionary<ElementId, (string name, Dictionary<string, object?> props)> _levelCache = new(); // stores level id and its properties
+  private readonly Dictionary<string, Collection> _linkedModelCollections = new(); // cache for linked model collections
+  private Collection? _mainModelCollection; // collection for main model elements
 
   public SendCollectionManager(IConverterSettingsStore<RevitConversionSettings> converterSettings)
   {
@@ -19,20 +24,99 @@ public class SendCollectionManager
   }
 
   /// <summary>
-  /// Returns the element's host collection based on level, category and optional type. Additionally, places the host collection on the provided root object.
+  /// Returns the element's host collection based on level, category and optional type if the main model only is sent.
+  /// The host collection is placed on the provided root object.
+  /// If linked models are being sent, nested collections are sent under the provided root object.
   /// Note, it's not nice we're mutating the root object in this function.
   /// </summary>
   /// <param name="element"></param>
   /// <param name="rootObject"></param>
   /// <returns></returns>
-  public Collection GetAndCreateObjectHostCollection(Element element, Collection rootObject)
+  public Collection GetAndCreateObjectHostCollection(
+    Element element,
+    Collection rootObject,
+    bool sendWithLinkedModels,
+    string? modelDisplayName = null
+  )
   {
     var doc = _converterSettings.Current.Document;
     var path = new List<string>();
 
-    // Step 1: create path components. Currently, this is
+    // Get model path and name
+    string modelPath = doc.PathName;
+    string modelName = Path.GetFileNameWithoutExtension(modelPath);
+    bool isLinkedModel = doc.IsLinked;
+
+    // Set up the correct hierarchy based on whether we have linked models or not
+    Collection startingCollection;
+
+    if (sendWithLinkedModels) // this arg comes from RevitRootObjectBuilder and check is setting enabled and linked models present
+    {
+      // if we're sending linked models, create a nested structure
+      // for the main model
+      if (!isLinkedModel)
+      {
+        // create main model collection if it doesn't exist yet
+        if (_mainModelCollection == null)
+        {
+          _mainModelCollection = new Collection(rootObject.name);
+          rootObject.elements.Add(_mainModelCollection);
+        }
+
+        startingCollection = _mainModelCollection;
+      }
+      // for linked models
+      else
+      {
+        // Use display name from settings if available, otherwise use original name
+        string displayName = modelDisplayName ?? modelName;
+
+        // Check if we already have a collection for this model display name
+        if (!_linkedModelCollections.TryGetValue(displayName, out Collection? linkedModelCollection))
+        {
+          // First time seeing this model with this display name
+          linkedModelCollection = new Collection(displayName);
+          rootObject.elements.Add(linkedModelCollection);
+          _linkedModelCollections[displayName] = linkedModelCollection;
+        }
+
+        startingCollection = linkedModelCollection;
+      }
+    }
+    else
+    {
+      // if we don't have linked models, use the root directly
+      startingCollection = rootObject;
+    }
+
+    // get the level and its properties
+    string levelName = "No Level";
+    Dictionary<string, object?> levelProperties = new();
+    if (element.LevelId != ElementId.InvalidElementId)
+    {
+      if (_levelCache.TryGetValue(element.LevelId, out var cachedLevel))
+      {
+        levelName = cachedLevel.name;
+        levelProperties = cachedLevel.props;
+      }
+      else
+      {
+        try
+        {
+          var level = (Level)doc.GetElement(element.LevelId);
+          levelName = level.Name;
+          levelProperties.Add("elevation", level.Elevation);
+          levelProperties.Add("units", _converterSettings.Current.SpeckleUnits);
+          _levelCache.Add(element.LevelId, (levelName, levelProperties));
+        }
+        // the exception is swallowed since if an exception occurs, we fall back to "No Level" for the element
+        catch (Exception e) when (!e.IsFatal()) { }
+      }
+    }
+
+    // create path components. Currently, this is
     // level > category > type
-    path.Add(doc.GetElement(element.LevelId) is not Level level ? "No level" : level.Name);
+    path.Add(levelName);
     path.Add(element.Category?.Name ?? "No category");
     var typeId = element.GetTypeId();
     if (typeId != ElementId.InvalidElementId)
@@ -48,18 +132,23 @@ public class SendCollectionManager
       path.Add("No type");
     }
 
-    string fullPathName = string.Concat(path);
+    // Use the collection's name for cache keys to ensure proper separation
+    string modelIdentifier = startingCollection.name;
+
+    // create a model-specific key for the collection cache
+    string fullPathName = $"{modelIdentifier}:{string.Join(":", path)}";
     if (_collectionCache.TryGetValue(fullPathName, out Collection? value))
     {
       return value;
     }
 
-    string flatPathName = "";
-    Collection previousCollection = rootObject;
+    string flatPathName = modelIdentifier;
+    Collection previousCollection = startingCollection;
 
-    foreach (var pathItem in path)
+    for (int i = 0; i < path.Count; i++)
     {
-      flatPathName += pathItem;
+      var pathItem = path[i];
+      flatPathName += ":" + pathItem;
       Collection childCollection;
       if (_collectionCache.TryGetValue(flatPathName, out Collection? collection))
       {
@@ -68,6 +157,12 @@ public class SendCollectionManager
       else
       {
         childCollection = new Collection(pathItem);
+        // add properties to level collection
+        if (i == 0 && levelProperties.Count > 0)
+        {
+          childCollection["properties"] = levelProperties;
+        }
+
         previousCollection.elements.Add(childCollection);
         _collectionCache[flatPathName] = childCollection;
       }

Connectors/Revit/Speckle.Connectors.RevitShared/HostApp/SupportedCategoriesUtils.cs

@@ -5,7 +5,7 @@ namespace Speckle.Connectors.Revit.HostApp;
 public static class SupportedCategoriesUtils
 {
   /// <summary>
-  /// Filters out all categories besides Model categories. This utility should be used
+  /// Filters out all categories besides Model categories, and Grids in Annotation. This utility should be used
   /// to clean any elements we might want to send pre-conversion as well as in what categories
   /// to display in our category filter.
   /// </summary>
@@ -13,18 +13,32 @@ public static class SupportedCategoriesUtils
   /// <returns></returns>
   public static bool IsSupportedCategory(Category? category)
   {
-    return category is not null
-      && (
-        category.CategoryType == CategoryType.Model
-      // || category.CategoryType == CategoryType.AnalyticalModel
-      )
-#if REVIT_2023_OR_GREATER
-      && category.BuiltInCategory != BuiltInCategory.OST_AreaSchemes
-      && category.BuiltInCategory != BuiltInCategory.OST_AreaSchemeLines
+    if (category is null || !category.IsVisibleInUI)
+    {
+      return false;
+    }
+
+    switch (category.CategoryType)
+    {
+      case CategoryType.Annotation:
+        return
+#if REVIT2023_OR_GREATER
+          category.BuiltInCategory == BuiltInCategory.OST_Grids;
 #else
-      && category.Name != "OST_AreaSchemeLines"
-      && category.Name != "OST_AreaSchemes"
+          category.Name == "OST_Grids";
 #endif
-      && category.IsVisibleInUI;
+
+      case CategoryType.Model:
+        return
+#if REVIT2023_OR_GREATER
+          category.BuiltInCategory != BuiltInCategory.OST_AreaSchemes
+          && category.BuiltInCategory != BuiltInCategory.OST_AreaSchemeLines;
+#else
+          category.Name != "OST_AreaSchemeLines" && category.Name != "OST_AreaSchemes";
+#endif
+
+      default:
+        return false;
+    }
   }
 }

Connectors/Revit/Speckle.Connectors.RevitShared/Operations/Receive/RevitHostObjectBuilder.cs

@@ -33,6 +33,7 @@ public sealed class RevitHostObjectBuilder(
   RevitGroupBaker groupManager,
   RevitMaterialBaker materialBaker,
   RootObjectUnpacker rootObjectUnpacker,
+  RevitViewManager viewManager,
   ILogger<RevitHostObjectBuilder> logger,
   IThreadContext threadContext,
   RevitToHostCacheSingleton revitToHostCacheSingleton,
@@ -61,6 +62,13 @@ public sealed class RevitHostObjectBuilder(
     CancellationToken cancellationToken
   )
   {
+    // ignore Receive in any other views (e.g. Section, Elevation, ViewSheet etc.)
+    View activeView = converterSettings.Current.Document.ActiveView;
+    if (!viewManager.IsSupportedReceiveView(activeView))
+    {
+      throw new ConversionException($"Receive in '{activeView.ViewType}' View is not supported");
+    }
+
     var baseGroupName = $"Project {projectName}: Model {modelName}"; // TODO: unify this across connectors!
 
     onOperationProgressed.Report(new("Converting", null));
@@ -201,6 +209,16 @@ public sealed class RevitHostObjectBuilder(
             new(Status.SUCCESS, localToGlobalMap.AtomicObject, directShapes.UniqueId, "Direct Shape")
           );
         }
+        else if (result is List<string> elementsIds)
+        {
+          // This is the case when conversion returns not a GeometryObject, but Documentation elements (Annotations, Details etc.)
+          // If Regions were a part of DataObject, it can return more than 1 native shape
+          foreach (var elementId in elementsIds)
+          {
+            conversionResults.Add(new(Status.SUCCESS, localToGlobalMap.AtomicObject, elementId, "Filled Region"));
+            bakedObjectIds.Add(elementId);
+          }
+        }
         else
         {
           throw new ConversionException($"Failed to cast {result.GetType()} to direct shape definition wrapper.");

Connectors/Revit/Speckle.Connectors.RevitShared/Operations/Send/Filters/RevitCategoriesFilter.cs

@@ -16,6 +16,7 @@ public class RevitCategoriesFilter : DiscriminatedObject, ISendFilter, IRevitSen
   private Document? _doc;
   public string Id { get; set; } = "revitCategories";
   public string Name { get; set; } = "Categories";
+  public string Type { get; set; } = "Custom";
   public string? Summary { get; set; }
   public bool IsDefault { get; set; }
   public List<string> SelectedObjectIds { get; set; } = new();
@@ -40,12 +41,17 @@ public class RevitCategoriesFilter : DiscriminatedObject, ISendFilter, IRevitSen
   /// <exception cref="SpeckleSendFilterException">Whenever no view is found.</exception>
   public List<string> RefreshObjectIds()
   {
-    var objectIds = new List<string>();
     if (SelectedCategories is null)
     {
-      return objectIds;
+      return [];
     }
 
+    // ⚠️ this is ugly, BUT we need to preserve RevitLinkInstances regardless of category.
+    // these get unpacked later in the RefreshElementsIdsOnSender, so if we don't do this, they'll get filtered out here
+    using var linkCollector = new FilteredElementCollector(_doc);
+    var linkInstanceIds = linkCollector.OfClass(typeof(RevitLinkInstance)).Select(link => link.UniqueId).ToList();
+
+    // get elements that match the selected categories (excluding RevitLinkInstance objects)
     var elementIds = SelectedCategories.Select(c => ElementIdHelper.GetElementId(c)).Where(e => e is not null).ToList();
 
     using var categoryFilter = new ElementMulticategoryFilter(elementIds);
@@ -55,7 +61,11 @@ public class RevitCategoriesFilter : DiscriminatedObject, ISendFilter, IRevitSen
       .WhereElementIsViewIndependent()
       .WherePasses(categoryFilter)
       .ToList();
-    objectIds = elements.Select(e => e.UniqueId).ToList();
+
+    // combine both sets
+    var objectIds = elements.Select(e => e.UniqueId).ToList();
+    objectIds.AddRange(linkInstanceIds);
+
     SelectedObjectIds = objectIds;
     return objectIds;
   }