temp remove test requirement

build/Program.cs

@@ -168,7 +168,7 @@ Target(
 
 Target(
   PACK,
-  dependsOn: [TEST],
+  dependsOn: [BUILD],
   async () =>
   {
     {

src/Speckle.Automate.Sdk/Speckle.Automate.Sdk.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="Compiler Properties">
-    <TargetFrameworks>netstandard2.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net8.0</TargetFrameworks>
   </PropertyGroup>
   <PropertyGroup Label="Nugetspec Package Properties">
     <PackageId>Speckle.Automate.Sdk</PackageId>

src/Speckle.Automate.Sdk/packages.lock.json

@@ -1,368 +1,6 @@
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src/Speckle.Objects/Speckle.Objects.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="Compiler Properties">
-    <TargetFrameworks>netstandard2.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net8.0</TargetFrameworks>
     <PolySharpExcludeGeneratedTypes>System.Runtime.CompilerServices.RequiresLocationAttribute</PolySharpExcludeGeneratedTypes>
     <Configurations>Debug;Release;Local</Configurations>
   </PropertyGroup>

src/Speckle.Objects/packages.lock.json

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src/Speckle.Sdk.Dependencies/ArrayBufferWriterPooledObjectPolicy.cs

@@ -0,0 +1,40 @@
+using System.Buffers;
+using System.Text;
+using Microsoft.Extensions.ObjectPool;
+
+namespace Speckle.Sdk.Dependencies;
+
+public sealed class ArrayBufferWriterPooledObjectPolicy<T> : PooledObjectPolicy<ArrayBufferWriter<T>>
+{
+  /// <summary>
+  /// Gets or sets the initial capacity of pooled <see cref="ArrayBufferWriter{T}"/> instances.
+  /// </summary>
+  /// <value>Defaults to <c>100</c>.</value>
+  public int InitialCapacity { get; set; } = 100;
+
+  /// <summary>
+  /// Gets or sets the maximum value for <see cref="StringBuilder.Capacity"/> that is allowed to be
+  /// retained, when <see cref="Return(ArrayBufferWriter{T})"/> is invoked.
+  /// </summary>
+  /// <value>Defaults to <c>4096</c>.</value>
+  public int MaximumRetainedCapacity { get; set; } = 4 * 1024;
+
+  /// <inheritdoc />
+  public override ArrayBufferWriter<T> Create()
+  {
+    return new ArrayBufferWriter<T>(InitialCapacity);
+  }
+
+  /// <inheritdoc />
+  public override bool Return(ArrayBufferWriter<T> obj)
+  {
+    if (obj.Capacity > MaximumRetainedCapacity)
+    {
+      // Too big. Discard this one.
+      return false;
+    }
+
+    obj.Clear();
+    return true;
+  }
+}

src/Speckle.Sdk.Dependencies/Pools.cs

@@ -1,3 +1,4 @@
+using System.Buffers;
 using System.Collections.Concurrent;
 using System.Text;
 using Microsoft.Extensions.ObjectPool;
@@ -24,6 +25,9 @@ public static class Pools
   public static Pool<StringBuilder> StringBuilders { get; } =
     new(new StringBuilderPooledObjectPolicy() { MaximumRetainedCapacity = 100 * 1024 * 1024 });
 
+  public static Pool<ArrayBufferWriter<byte>> ArrayBufferWriter { get; } =
+    new(new ArrayBufferWriterPooledObjectPolicy<byte>() { MaximumRetainedCapacity = 100 * 1024 * 1024 });
+
   private sealed class ObjectDictionaryPolicy<TKey, TValue> : IPooledObjectPolicy<Dictionary<TKey, TValue>>
     where TKey : notnull
   {

src/Speckle.Sdk.Dependencies/Speckle.Sdk.Dependencies.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="Compiler Properties">
-    <TargetFrameworks>netstandard2.0;net8.0</TargetFrameworks>
+    <TargetFramework>net8.0</TargetFramework>
     <Configurations>Debug;Release;Local</Configurations>
     <ILRepackTargetConfigurations>Debug;Release;Local</ILRepackTargetConfigurations>
     <ILRepackRenameInternalized>true</ILRepackRenameInternalized>
@@ -30,6 +30,7 @@
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" />
+    <PackageReference Include="System.Text.Json" />
   </ItemGroup>
   <Target Name="BeforeILRepackPrepareBuild" BeforeTargets="ILRepackPrepareBuild">
     <ItemGroup>

src/Speckle.Sdk.Dependencies/packages.lock.json

@@ -1,167 +1,6 @@
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-        "dependencies": {
-          "ILRepack": "2.0.33"
-        }
-      },
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-        "dependencies": {
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-        }
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-      },
-      "Microsoft.SourceLink.GitHub": {
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-      "Polly.Extensions.Http": {
-        "type": "Direct",
-        "requested": "[3.0.0, )",
-        "resolved": "3.0.0",
-        "contentHash": "drrG+hB3pYFY7w1c3BD+lSGYvH2oIclH8GRSehgfyP5kjnFnHKQuuBhuHLv+PWyFuaTDyk/vfRpnxOzd11+J8g==",
-        "dependencies": {
-          "Polly": "7.1.0"
-        }
-      },
-      "PolySharp": {
-        "type": "Direct",
-        "requested": "[1.15.0, )",
-        "resolved": "1.15.0",
-        "contentHash": "FbU0El+EEjdpuIX4iDbeS7ki1uzpJPx8vbqOzEtqnl1GZeAGJfq+jCbxeJL2y0EPnUNk8dRnnqR2xnYXg9Tf+g=="
-      },
-      "Speckle.InterfaceGenerator": {
-        "type": "Direct",
-        "requested": "[0.9.6, )",
-        "resolved": "0.9.6",
-        "contentHash": "HKH7tYrYYlCK1ct483hgxERAdVdMtl7gUKW9ijWXxA1UsYR4Z+TrRHYmzZ9qmpu1NnTycSrp005NYM78GDKV1w=="
-      },
-      "System.Threading.Channels": {
-        "type": "Direct",
-        "requested": "[9.0.4, )",
-        "resolved": "9.0.4",
-        "contentHash": "4qBn2H6/aXBpE/Pm3wY5yusY/pEvQz99NlWHrTUji0qCmOdbhhjaALcpmbfW2ksxlPM6i6S+QFLkpOQdyfeKYQ==",
-        "dependencies": {
-          "Microsoft.Bcl.AsyncInterfaces": "9.0.4",
-          "System.Threading.Tasks.Extensions": "4.5.4"
-        }
-      },
-      "ILRepack": {
-        "type": "Transitive",
-        "resolved": "2.0.33",
-        "contentHash": "xb2h1CsOepoYwdXEPui9VcQglwABQwNf9cccZbf+acarEzF5PUp8Xx71nFXIhOgEdm6wrxAoF6xAxK4m/XFRUQ=="
-      },
-      "Microsoft.Build.Tasks.Git": {
-        "type": "Transitive",
-        "resolved": "8.0.0",
-        "contentHash": "bZKfSIKJRXLTuSzLudMFte/8CempWjVamNUR5eHJizsy+iuOuO/k2gnh7W0dHJmYY0tBf+gUErfluCv5mySAOQ=="
-      },
-      "Microsoft.NETCore.Platforms": {
-        "type": "Transitive",
-        "resolved": "1.1.0",
-        "contentHash": "kz0PEW2lhqygehI/d6XsPCQzD7ff7gUJaVGPVETX611eadGsA3A877GdSlU0LRVMCTH/+P3o2iDTak+S08V2+A=="
-      },
-      "Microsoft.SourceLink.Common": {
-        "type": "Transitive",
-        "resolved": "8.0.0",
-        "contentHash": "dk9JPxTCIevS75HyEQ0E4OVAFhB2N+V9ShCXf8Q6FkUQZDkgLI12y679Nym1YqsiSysuQskT7Z+6nUf3yab6Vw=="
-      },
-      "System.Buffers": {
-        "type": "Transitive",
-        "resolved": "4.5.1",
-        "contentHash": "Rw7ijyl1qqRS0YQD/WycNst8hUUMgrMH4FCn1nNm27M4VxchZ1js3fVjQaANHO5f3sN4isvP4a+Met9Y4YomAg=="
-      },
-      "System.Collections.Immutable": {
-        "type": "Transitive",
-        "resolved": "9.0.4",
-        "contentHash": "wfm2NgK22MmBe5qJjp52qzpkeDZKb4l9LbdubhZSehY1z4LS+lld6R+B+UQNb2AZRHu/QJlHxEUcRst5hIEejg==",
-        "dependencies": {
-          "System.Memory": "4.5.5",
-          "System.Runtime.CompilerServices.Unsafe": "6.0.0"
-        }
-      },
-      "System.Memory": {
-        "type": "Transitive",
-        "resolved": "4.5.5",
-        "contentHash": "XIWiDvKPXaTveaB7HVganDlOCRoj03l+jrwNvcge/t8vhGYKvqV+dMv6G4SAX2NoNmN0wZfVPTAlFwZcZvVOUw==",
-        "dependencies": {
-          "System.Buffers": "4.5.1",
-          "System.Numerics.Vectors": "4.4.0",
-          "System.Runtime.CompilerServices.Unsafe": "4.5.3"
-        }
-      },
-      "System.Numerics.Vectors": {
-        "type": "Transitive",
-        "resolved": "4.4.0",
-        "contentHash": "UiLzLW+Lw6HLed1Hcg+8jSRttrbuXv7DANVj0DkL9g6EnnzbL75EB7EWsw5uRbhxd/4YdG8li5XizGWepmG3PQ=="
-      },
-      "System.Runtime.CompilerServices.Unsafe": {
-        "type": "Transitive",
-        "resolved": "6.0.0",
-        "contentHash": "/iUeP3tq1S0XdNNoMz5C9twLSrM/TH+qElHkXWaPvuNOt+99G75NrV0OS2EqHx5wMN7popYjpc8oTjC1y16DLg=="
-      },
-      "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"
-        }
-      }
-    },
     "net8.0": {
       "ILRepack.FullAuto": {
         "type": "Direct",

src/Speckle.Sdk/Models/Attributes.cs

@@ -13,7 +13,9 @@ public sealed class DetachPropertyAttribute : Attribute
   /// <para>If set to true the default serialiser will persist it separately, and add a reference to the property's value in the original object.</para>
   /// <para>Only applies to properties of types derived from the Base class.</para>
   /// </summary>
-  /// <param name="detachable">Whether to detach the property or not.</param>
+  public DetachPropertyAttribute() { }
+
+  [Obsolete("detachable = false is no longer supported")]
   public DetachPropertyAttribute(bool detachable = true)
   {
     Detachable = detachable;

src/Speckle.Sdk/Pipelines/Send/DiskStore.cs

@@ -1,4 +1,5 @@
 using System.IO.Compression;
+using System.Text;
 using Microsoft.Extensions.Logging;
 using Speckle.InterfaceGenerator;
 using Speckle.Sdk.Dependencies;
@@ -46,6 +47,9 @@ public sealed class DiskStore
     return await _writeToDiskTask.ConfigureAwait(false);
   }
 
+  private readonly byte[] _newLineChar = [(byte)'\n'];
+  private readonly byte[] _tabLineChar = [(byte)'\t'];
+
   /// <summary>
   /// Reads from the Channel and streams the <see cref="UploadItem"/>s to a temporary file on disk.
   /// Will keep reading until <see cref="CompleteAsync"/> is called.
@@ -61,21 +65,23 @@ public sealed class DiskStore
     {
       using var fileStream = new FileStream(tempFilePath, FileMode.Create, FileAccess.Write, FileShare.None);
       using var gzip = new GZipStream(fileStream, CompressionLevel.Optimal);
-      using var writer = new StreamWriter(gzip);
 
       await foreach (var item in _channel.ReadAllAsync(_cancellationToken).ConfigureAwait(false))
       {
-        await writer.WriteAsync(item.Id).ConfigureAwait(false);
-        await writer.WriteAsync('\t').ConfigureAwait(false);
-        await writer.WriteAsync(item.SpeckleType).ConfigureAwait(false);
-        await writer.WriteAsync('\t').ConfigureAwait(false);
-        await writer.WriteAsync(item.Json.Value).ConfigureAwait(false);
-        await writer.WriteLineAsync().ConfigureAwait(false);
+        await gzip.WriteAsync(Encoding.UTF8.GetBytes(item.Id), _cancellationToken).ConfigureAwait(false);
+        await gzip.WriteAsync(_tabLineChar, _cancellationToken).ConfigureAwait(false);
+        await gzip.WriteAsync(Encoding.UTF8.GetBytes(item.SpeckleType), _cancellationToken).ConfigureAwait(false);
+        await gzip.WriteAsync(_tabLineChar, _cancellationToken).ConfigureAwait(false);
+        await gzip.WriteAsync(item.Json.WrittenMemory, _cancellationToken).ConfigureAwait(false);
+        await gzip.WriteAsync(_newLineChar, _cancellationToken).ConfigureAwait(false);
+
+        item.Dispose();
       }
+
 #if NET8_0_OR_GREATER
-      await writer.FlushAsync(_cancellationToken).ConfigureAwait(false);
+      await gzip.FlushAsync(_cancellationToken).ConfigureAwait(false);
 #else
-      await writer.FlushAsync().ConfigureAwait(false);
+      await gzip.FlushAsync().ConfigureAwait(false);
 #endif
       tempFile.FileInfo.Refresh();
 

src/Speckle.Sdk/Pipelines/Send/SendPipeline.cs

@@ -36,28 +36,21 @@ public sealed class SendPipeline : IDisposable
     _diskStore = diskStore;
   }
 
-  private UploadItem _lastItem;
-
   public async Task<ObjectReference> Process(Base @base)
   {
     var results = _serializer.Serialize(@base).ToArray();
-    var first = results.First();
-    foreach (var item in results)
+    foreach (var item in results.Reverse())
     {
       // we're not doing fire and forget here so that we get the backpressure from the uploader
       await _diskStore.PushAsync(item).ConfigureAwait(false);
     }
 
-    // NOTE: this is important to keep track of. When we serialze an object, we get back a list of objects, with the first one being the original root.
-    // In the case of the commit root object, this means the last object is not necessarily the root; we therefore need to manually track its existance here
-    // and ensure it's the last one through in the uploader's stream. See WaitForUpload down below.
-    _lastItem = first;
-    return first.Reference;
+    return results.First().Reference;
   }
 
   public async Task WaitForUpload()
   {
-    await _diskStore.PushAsync(_lastItem).ConfigureAwait(false);
+    //await _diskStore.PushAsync(_lastItem).ConfigureAwait(false);
     using DisposableFile tempFile = await _diskStore.CompleteAsync().ConfigureAwait(false);
 
     using Stream fileStreamUpload = new FileStream(

src/Speckle.Sdk/Pipelines/Send/Serializer.cs

@@ -1,13 +1,10 @@
 using System.Collections;
+using System.Diagnostics.CodeAnalysis;
 using System.Drawing;
-using System.Globalization;
-using System.Reflection;
-using Speckle.DoubleNumerics;
-using Speckle.Newtonsoft.Json;
-using Speckle.Sdk.Dependencies;
-using Speckle.Sdk.Helpers;
+using System.Text.Json;
 using Speckle.Sdk.Models;
 using Speckle.Sdk.Serialisation;
+using Matrix4x4 = Speckle.DoubleNumerics.Matrix4x4;
 
 namespace Speckle.Sdk.Pipelines.Send;
 
@@ -31,7 +28,7 @@ internal sealed class Serializer
       yield break;
     }
 
-    var detachedObjects = new List<(Id, Json, Dictionary<string, int>, Base, string)>();
+    var detachedObjects = new List<(Id, EfficientJson, Dictionary<string, int>, Base, string)>();
     var rootClosures = new Dictionary<string, int>();
 
     var (rootId, rootJson) = SerializeBase(root, false, rootClosures, detachedObjects);
@@ -68,13 +65,13 @@ internal sealed class Serializer
         continue;
       }
 
-      if (prop.IsDefined(typeof(JsonIgnoreAttribute), false))
+      if (prop.IsDefined(typeof(Speckle.Newtonsoft.Json.JsonIgnoreAttribute), false))
       {
         continue;
       }
 
       var value = prop.GetValue(baseObj);
-      var isDetachable = prop.GetCustomAttribute<DetachPropertyAttribute>(true)?.Detachable ?? false;
+      var isDetachable = prop.IsDefined(typeof(DetachPropertyAttribute), true);
 
       yield return new PropertyInfo(prop.Name, value, isDetachable);
     }
@@ -96,107 +93,125 @@ internal sealed class Serializer
     }
   }
 
-  private (Id, Json) SerializeBase(
+  private (Id, EfficientJson) SerializeBase(
     Base baseObj,
     bool forceDetach,
     Dictionary<string, int> closures,
-    List<(Id, Json, Dictionary<string, int>, Base, string)> detachedObjects
+    List<(Id, EfficientJson, Dictionary<string, int>, Base, string)> detachedObjects
   )
   {
     var childClosures = new Dictionary<string, int>();
 
-    var sb = Pools.StringBuilders.Get();
-    try
+    var efficientJson = new EfficientJson();
+    using var jsonWriter = new Utf8JsonWriter(efficientJson.Buffer);
+
+    jsonWriter.WriteStartObject();
+
+    foreach (var prop in ExtractProperties(baseObj))
     {
-      using var stringWriter = new StringWriter(sb);
-      using var jsonWriter = new JsonTextWriter(stringWriter);
-      using var idWriter = new SerializerIdWriter(jsonWriter);
-
-      idWriter.WriteStartObject();
-
-      foreach (var prop in ExtractProperties(baseObj))
-      {
-        idWriter.WritePropertyName(prop.Name);
-        SerializeValue(prop.Value, idWriter, prop.IsDetachable, childClosures, detachedObjects);
-      }
-
-      var (jsonForId, finalWriter) = idWriter.FinishIdWriter();
-      var id = IdGenerator.ComputeId(jsonForId);
-
-      finalWriter.WritePropertyName("id");
-      finalWriter.WriteValue(id.Value);
-
-      baseObj.id = id.Value;
-
-      if ((forceDetach || childClosures.Count > 0) && childClosures.Count > 0)
-      {
-        finalWriter.WritePropertyName("__closure");
-        finalWriter.WriteStartObject();
-        foreach (var kvp in childClosures)
-        {
-          finalWriter.WritePropertyName(kvp.Key);
-          finalWriter.WriteValue(kvp.Value);
-        }
-        finalWriter.WriteEndObject();
-
-        foreach (var kvp in childClosures)
-        {
-          closures[kvp.Key] = closures.TryGetValue(kvp.Key, out var existing) ? existing + kvp.Value : kvp.Value;
-        }
-      }
-
-      finalWriter.WriteEndObject();
-      finalWriter.Flush();
-
-      var json = new Json(stringWriter.ToString());
-      return (id, json);
+      jsonWriter.WritePropertyName(prop.Name);
+      SerializeValue(prop.Value, jsonWriter, prop.IsDetachable, childClosures, detachedObjects);
     }
-    finally
+
+    jsonWriter.Flush();
+    var span = efficientJson.WrittenSpan;
+    string id = IdGenerator.ComputeId(span);
+
+    jsonWriter.WriteString("id", id);
+
+    baseObj.id = id;
+
+    if ((forceDetach || childClosures.Count > 0) && childClosures.Count > 0)
     {
-      Pools.StringBuilders.Return(sb);
+      jsonWriter.WritePropertyName("__closure");
+      jsonWriter.WriteStartObject();
+      foreach (var kvp in childClosures)
+      {
+        jsonWriter.WriteNumber(kvp.Key, kvp.Value);
+      }
+      jsonWriter.WriteEndObject();
+
+      foreach (var kvp in childClosures)
+      {
+        closures[kvp.Key] = closures.TryGetValue(kvp.Key, out var existing) ? existing + kvp.Value : kvp.Value;
+      }
     }
+
+    jsonWriter.WriteEndObject();
+    jsonWriter.Flush();
+    return (new(id), efficientJson);
   }
 
   private void SerializeValue(
     object? value,
-    JsonWriter writer,
+    Utf8JsonWriter writer,
     bool isDetachable,
     Dictionary<string, int> closures,
-    List<(Id, Json, Dictionary<string, int>, Base, string)> detachedObjects
+    List<(Id, EfficientJson, Dictionary<string, int>, Base, string)> detachedObjects
   )
   {
     switch (value)
     {
-      case Enum:
-        writer.WriteValue((int)value);
+      case null:
+        writer.WriteNullValue();
         return;
-      case Guid g:
-        writer.WriteValue(g.ToString());
+      case string v:
+        writer.WriteStringValue(v);
+        return;
+      case short i:
+        writer.WriteNumberValue(i);
+        return;
+      case ushort i:
+        writer.WriteNumberValue(i);
+        return;
+      case int i:
+        writer.WriteNumberValue(i);
+        return;
+      case uint i:
+        writer.WriteNumberValue(i);
+        return;
+      case long i:
+        writer.WriteNumberValue(i);
+        return;
+      case ulong i:
+        writer.WriteNumberValue(i);
+        return;
+      case bool b:
+        writer.WriteBooleanValue(b);
+        return;
+      case float f:
+        writer.WriteNumberValue(f);
+        return;
+      case double f:
+        writer.WriteNumberValue(f);
+        return;
+      case decimal d:
+        writer.WriteNumberValue(d);
+        return;
+      case Enum:
+        writer.WriteNumberValue((int)value);
         return;
       case Color c:
-        writer.WriteValue(c.ToArgb());
-        return;
-      case DateTime dt:
-        writer.WriteValue(dt.ToString("o", CultureInfo.InvariantCulture));
+        writer.WriteNumberValue(c.ToArgb());
         return;
       case Matrix4x4 md:
         writer.WriteStartArray();
-        writer.WriteValue(md.M11);
-        writer.WriteValue(md.M12);
-        writer.WriteValue(md.M13);
-        writer.WriteValue(md.M14);
-        writer.WriteValue(md.M21);
-        writer.WriteValue(md.M22);
-        writer.WriteValue(md.M23);
-        writer.WriteValue(md.M24);
-        writer.WriteValue(md.M31);
-        writer.WriteValue(md.M32);
-        writer.WriteValue(md.M33);
-        writer.WriteValue(md.M34);
-        writer.WriteValue(md.M41);
-        writer.WriteValue(md.M42);
-        writer.WriteValue(md.M43);
-        writer.WriteValue(md.M44);
+        writer.WriteNumberValue(md.M11);
+        writer.WriteNumberValue(md.M12);
+        writer.WriteNumberValue(md.M13);
+        writer.WriteNumberValue(md.M14);
+        writer.WriteNumberValue(md.M21);
+        writer.WriteNumberValue(md.M22);
+        writer.WriteNumberValue(md.M23);
+        writer.WriteNumberValue(md.M24);
+        writer.WriteNumberValue(md.M31);
+        writer.WriteNumberValue(md.M32);
+        writer.WriteNumberValue(md.M33);
+        writer.WriteNumberValue(md.M34);
+        writer.WriteNumberValue(md.M41);
+        writer.WriteNumberValue(md.M42);
+        writer.WriteNumberValue(md.M43);
+        writer.WriteNumberValue(md.M44);
         writer.WriteEndArray();
         return;
       // Handle ObjectReference before Base (since ObjectReference extends Base)
@@ -204,10 +219,8 @@ internal sealed class Serializer
       case ObjectReference objRef:
       {
         writer.WriteStartObject();
-        writer.WritePropertyName("speckle_type");
-        writer.WriteValue("reference");
-        writer.WritePropertyName("referencedId");
-        writer.WriteValue(objRef.referencedId);
+        writer.WriteString("speckle_type", "reference");
+        writer.WriteString("referencedId", objRef.referencedId);
         writer.WriteEndObject();
 
         // Propagate closure: add the referenced ID
@@ -236,10 +249,8 @@ internal sealed class Serializer
           detachedObjects.Add((childId, childJson, childClosures, baseObj, baseObj.speckle_type));
 
           writer.WriteStartObject();
-          writer.WritePropertyName("speckle_type");
-          writer.WriteValue("reference");
-          writer.WritePropertyName("referencedId");
-          writer.WriteValue(childId.Value);
+          writer.WriteString("speckle_type", "reference");
+          writer.WriteString("referencedId", childId.Value);
           writer.WriteEndObject();
 
           closures[childId.Value] = closures.TryGetValue(childId.Value, out var existing) ? existing + 1 : 1;
@@ -256,7 +267,7 @@ internal sealed class Serializer
           var inlineClosures = new Dictionary<string, int>();
           var (_, inlineJson) = SerializeBase(baseObj, false, inlineClosures, detachedObjects);
 
-          writer.WriteRawValue(inlineJson.Value);
+          writer.WriteRawValue(inlineJson.WrittenSpan);
 
           foreach (var kvp in inlineClosures)
           {
@@ -296,56 +307,48 @@ internal sealed class Serializer
       default:
         // This case will handle primitives and `null`
         // Will throw JsonWriterException if not supported
-        writer.WriteValue(value);
-        return;
+        throw new ArgumentOutOfRangeException(nameof(value), $"Unsupported type {value.GetType()}");
     }
   }
 
+  [SuppressMessage(
+    "Reliability",
+    "CA2000:Dispose objects before losing scope",
+    Justification = "EfficientJson IDisposable is returned via UploadItem"
+  )]
   private UploadItem ReferenceToUploadItem(ObjectReference existingRef)
   {
-    var sb = Pools.StringBuilders.Get();
-    try
-    {
-      using var stringWriter = new StringWriter(sb);
-      using var jsonWriter = new JsonTextWriter(stringWriter);
+    var refJson = new EfficientJson();
+    using var jsonWriter = new Utf8JsonWriter(refJson.Buffer);
 
+    jsonWriter.WriteStartObject();
+    jsonWriter.WriteString("speckle_type", "reference");
+    jsonWriter.WriteString("referencedId", existingRef.referencedId);
+    jsonWriter.WritePropertyName("__closure");
+
+    if (existingRef.closure != null && existingRef.closure.Count > 0)
+    {
       jsonWriter.WriteStartObject();
-      jsonWriter.WritePropertyName("speckle_type");
-      jsonWriter.WriteValue("reference");
-      jsonWriter.WritePropertyName("referencedId");
-      jsonWriter.WriteValue(existingRef.referencedId);
-      jsonWriter.WritePropertyName("__closure");
-
-      if (existingRef.closure != null && existingRef.closure.Count > 0)
+      foreach (var kvp in existingRef.closure)
       {
-        jsonWriter.WriteStartObject();
-        foreach (var kvp in existingRef.closure)
-        {
-          jsonWriter.WritePropertyName(kvp.Key);
-          jsonWriter.WriteValue(kvp.Value);
-        }
-        jsonWriter.WriteEndObject();
+        jsonWriter.WritePropertyName(kvp.Key);
+        jsonWriter.WriteNumberValue(kvp.Value);
       }
-      else
-      {
-        jsonWriter.WriteNull();
-      }
-
       jsonWriter.WriteEndObject();
-      jsonWriter.Flush();
-
-      var refJson = new Json(stringWriter.ToString());
-
-      return new UploadItem(
-        existingRef.referencedId,
-        refJson,
-        existingRef.speckle_type,
-        existingRef // Pass through the original ObjectReference
-      );
     }
-    finally
+    else
     {
-      Pools.StringBuilders.Return(sb);
+      jsonWriter.WriteNullValue();
     }
+
+    jsonWriter.WriteEndObject();
+    jsonWriter.Flush();
+
+    return new UploadItem(
+      existingRef.referencedId,
+      refJson,
+      existingRef.speckle_type,
+      existingRef // Pass through the original ObjectReference
+    );
   }
 }

src/Speckle.Sdk/Pipelines/Send/Uploader.cs

@@ -65,63 +65,90 @@ public sealed class Uploader : IDisposable
   {
     using var a = _activity.Start("Get Presigned Url");
 
-    var signUri = new Uri($"projects/{_projectId}/modelingestion/{_ingestionId}/uploads/sign", UriKind.Relative);
+    try
+    {
+      var signUri = new Uri($"projects/{_projectId}/modelingestion/{_ingestionId}/uploads/sign", UriKind.Relative);
 
-    using var signResponse = await _speckleClient.PostAsync(signUri, null, _cancellationToken).ConfigureAwait(false);
-    signResponse.EnsureSuccessStatusCode();
+      using var signResponse = await _speckleClient.PostAsync(signUri, null, _cancellationToken).ConfigureAwait(false);
+      signResponse.EnsureSuccessStatusCode();
 
 #if NET5_0_OR_GREATER
-    string signResponseString = await signResponse.Content.ReadAsStringAsync(_cancellationToken).ConfigureAwait(false);
+      string signResponseString = await signResponse
+        .Content.ReadAsStringAsync(_cancellationToken)
+        .ConfigureAwait(false);
 #else
-    string signResponseString = await signResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+      string signResponseString = await signResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
 #endif
-    PresignedUploadResponse presignedUpload =
-      JsonConvert.DeserializeObject<PresignedUploadResponse>(signResponseString)
-      ?? throw new InvalidOperationException("Failed to get presigned upload URL");
-    return presignedUpload;
+      PresignedUploadResponse presignedUpload =
+        JsonConvert.DeserializeObject<PresignedUploadResponse>(signResponseString)
+        ?? throw new InvalidOperationException("Failed to get presigned upload URL");
+      return presignedUpload;
+    }
+    catch (Exception ex)
+    {
+      a?.SetStatus(SdkActivityStatusCode.Error);
+      a?.RecordException(ex);
+      throw;
+    }
   }
 
   private async Task<string> UploadToS3(Stream fileStream, PresignedUploadResponse presignedUploadResponse)
   {
     using var a = _activity.Start("Uploading file to pre-signed url");
-
-    Stream progressStream = new ProgressStream(fileStream, _progress);
-
-    using var streamContent = new StreamContent(progressStream);
-    streamContent.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
-    streamContent.Headers.ContentLength = fileStream.Length;
-
-    using var uploadRequest = new HttpRequestMessage(HttpMethod.Put, presignedUploadResponse.Url);
-    foreach (var kvp in presignedUploadResponse.AdditionalRequestHeaders)
+    try
     {
-      uploadRequest.Headers.Add(kvp.Key, kvp.Value);
+      Stream progressStream = new ProgressStream(fileStream, _progress);
+
+      using var streamContent = new StreamContent(progressStream);
+      streamContent.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
+      streamContent.Headers.ContentLength = fileStream.Length;
+
+      using var uploadRequest = new HttpRequestMessage(HttpMethod.Put, presignedUploadResponse.Url);
+      foreach (var kvp in presignedUploadResponse.AdditionalRequestHeaders)
+      {
+        uploadRequest.Headers.Add(kvp.Key, kvp.Value);
+      }
+
+      uploadRequest.Content = streamContent;
+
+      using var uploadResponse = await _s3Client
+        .SendAsync(uploadRequest, HttpCompletionOption.ResponseHeadersRead, _cancellationToken)
+        .ConfigureAwait(false);
+
+      uploadResponse.EnsureSuccessStatusCode();
+
+      return BlobApiHelpers.ParseEtagHeader(uploadResponse.Headers);
+    }
+    catch (Exception ex)
+    {
+      a?.SetStatus(SdkActivityStatusCode.Error);
+      a?.RecordException(ex);
+      throw;
     }
-
-    uploadRequest.Content = streamContent;
-
-    using var uploadResponse = await _s3Client
-      .SendAsync(uploadRequest, HttpCompletionOption.ResponseHeadersRead, _cancellationToken)
-      .ConfigureAwait(false);
-
-    uploadResponse.EnsureSuccessStatusCode();
-
-    return BlobApiHelpers.ParseEtagHeader(uploadResponse.Headers);
   }
 
   private async Task TriggerProcessing(TriggerUploadRequest request)
   {
     using var a = _activity.Start("Triggering Processing");
+    try
+    {
+      Uri processUri = new($"projects/{_projectId}/modelingestion/{_ingestionId}/uploads/process", UriKind.Relative);
+      string requestBody = JsonConvert.SerializeObject(request);
+      using var content = new StringContent(requestBody, Encoding.UTF8, "application/json");
 
-    Uri processUri = new($"projects/{_projectId}/modelingestion/{_ingestionId}/uploads/process", UriKind.Relative);
-    string requestBody = JsonConvert.SerializeObject(request);
-    using var content = new StringContent(requestBody, Encoding.UTF8, "application/json");
+      using HttpResponseMessage processResponse = await _speckleClient
+        .PostAsync(processUri, content, _cancellationToken)
+        .ConfigureAwait(false);
 
-    using HttpResponseMessage processResponse = await _speckleClient
-      .PostAsync(processUri, content, _cancellationToken)
-      .ConfigureAwait(false);
-
-    string body = await processResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-    processResponse.EnsureSuccessStatusCode();
+      string body = await processResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+      processResponse.EnsureSuccessStatusCode();
+    }
+    catch (Exception ex)
+    {
+      a?.SetStatus(SdkActivityStatusCode.Error);
+      a?.RecordException(ex);
+      throw;
+    }
   }
 
   public void Dispose()

src/Speckle.Sdk/Pipelines/Send/UploaderDTOs.cs

@@ -4,7 +4,11 @@ using Speckle.Sdk.Serialisation;
 
 namespace Speckle.Sdk.Pipelines.Send;
 
-public record UploadItem(string Id, Json Json, string SpeckleType, ObjectReference Reference);
+public sealed record UploadItem(string Id, EfficientJson Json, string SpeckleType, ObjectReference Reference)
+  : IDisposable
+{
+  public void Dispose() => Json.Dispose();
+}
 
 internal record PresignedUploadResponse
 {

src/Speckle.Sdk/Serialisation/IdGenerator.cs

@@ -1,4 +1,5 @@
 using System.Diagnostics.Contracts;
+using System.Security.Cryptography;
 using Speckle.Sdk.Common;
 using Speckle.Sdk.Models;
 
@@ -16,4 +17,20 @@ public static class IdGenerator
 #endif
     return new Id(hash);
   }
+
+  [Pure]
+  public static string ComputeId(ReadOnlySpan<byte> input)
+  {
+    Span<byte> hash = stackalloc byte[SHA256.HashSizeInBytes];
+    SHA256.HashData(input, hash);
+
+    Span<char> output = stackalloc char[32];
+
+    for (int i = 0, j = 0; j < 32; i += sizeof(byte), j += sizeof(char))
+    {
+      hash[i].TryFormat(output[j..], out _, "x2");
+    }
+
+    return new string(output);
+  }
 }

src/Speckle.Sdk/Serialisation/SerializationResult.cs

@@ -1,4 +1,7 @@
-namespace Speckle.Sdk.Serialisation;
+using System.Buffers;
+using Speckle.Sdk.Dependencies;
+
+namespace Speckle.Sdk.Serialisation;
 
 public readonly record struct SerializationResult(Json Json, Id? Id);
 
@@ -14,6 +17,26 @@ public readonly record struct Json
   public string Value { get; }
 }
 
+public sealed class EfficientJson : IDisposable
+{
+  private readonly ArrayBufferWriter<byte> _value;
+
+  public EfficientJson()
+  {
+    _value = Pools.ArrayBufferWriter.Get();
+  }
+
+  internal IBufferWriter<byte> Buffer => _value;
+
+  public ReadOnlySpan<byte> WrittenSpan => _value.WrittenSpan;
+
+  public ReadOnlyMemory<byte> WrittenMemory => _value.WrittenMemory;
+
+  public int WrittenCount => _value.WrittenCount;
+
+  public void Dispose() => Pools.ArrayBufferWriter.Return(_value);
+}
+
 public readonly record struct Id
 {
   public Id(string id)

src/Speckle.Sdk/Speckle.Sdk.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="Compiler Properties">
-    <TargetFrameworks>netstandard2.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net8.0</TargetFrameworks>
     <Configurations>Debug;Release;Local</Configurations>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>

src/Speckle.Sdk/packages.lock.json

@@ -1,302 +1,6 @@
 {
   "version": 2,
   "dependencies": {
-    ".NETStandard,Version=v2.0": {
-      "GraphQL.Client": {
-        "type": "Direct",
-        "requested": "[6.0.0, )",
-        "resolved": "6.0.0",
-        "contentHash": "8yPNBbuVBpTptivyAlak4GZvbwbUcjeQTL4vN1HKHRuOykZ4r7l5fcLS6vpyPyLn0x8FsL31xbOIKyxbmR9rbA==",
-        "dependencies": {
-          "GraphQL.Client.Abstractions": "6.0.0",
-          "GraphQL.Client.Abstractions.Websocket": "6.0.0",
-          "System.Reactive": "5.0.0"
-        }
-      },
-      "Microsoft.CSharp": {
-        "type": "Direct",
-        "requested": "[4.7.0, )",
-        "resolved": "4.7.0",
-        "contentHash": "pTj+D3uJWyN3My70i2Hqo+OXixq3Os2D1nJ2x92FFo6sk8fYS1m1WLNTs0Dc1uPaViH0YvEEwvzddQ7y4rhXmA=="
-      },
-      "Microsoft.Data.Sqlite": {
-        "type": "Direct",
-        "requested": "[7.0.5, )",
-        "resolved": "7.0.5",
-        "contentHash": "KGxbPeWsQMnmQy43DSBxAFtHz3l2JX8EWBSGUCvT3CuZ8KsuzbkqMIJMDOxWtG8eZSoCDI04aiVQjWuuV8HmSw==",
-        "dependencies": {
-          "Microsoft.Data.Sqlite.Core": "7.0.5",
-          "SQLitePCLRaw.bundle_e_sqlite3": "2.1.4"
-        }
-      },
-      "Microsoft.Extensions.DependencyInjection.Abstractions": {
-        "type": "Direct",
-        "requested": "[2.2.0, )",
-        "resolved": "2.2.0",
-        "contentHash": "f9hstgjVmr6rmrfGSpfsVOl2irKAgr1QjrSi3FgnS7kulxband50f2brRLwySAQTADPZeTdow0mpSMcoAdadCw=="
-      },
-      "Microsoft.Extensions.Logging": {
-        "type": "Direct",
-        "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.SourceLink.GitHub": {
-        "type": "Direct",
-        "requested": "[8.0.0, )",
-        "resolved": "8.0.0",
-        "contentHash": "G5q7OqtwIyGTkeIOAc3u2ZuV/kicQaec5EaRnc0pIeSnh9LUjj+PYQrJYBURvDt7twGl2PKA7nSN0kz1Zw5bnQ==",
-        "dependencies": {
-          "Microsoft.Build.Tasks.Git": "8.0.0",
-          "Microsoft.SourceLink.Common": "8.0.0"
-        }
-      },
-      "NETStandard.Library": {
-        "type": "Direct",
-        "requested": "[2.0.3, )",
-        "resolved": "2.0.3",
-        "contentHash": "st47PosZSHrjECdjeIzZQbzivYBJFv6P2nv4cj2ypdI204DO+vZ7l5raGMiX4eXMJ53RfOIg+/s4DHVZ54Nu2A==",
-        "dependencies": {
-          "Microsoft.NETCore.Platforms": "1.1.0"
-        }
-      },
-      "PolySharp": {
-        "type": "Direct",
-        "requested": "[1.15.0, )",
-        "resolved": "1.15.0",
-        "contentHash": "FbU0El+EEjdpuIX4iDbeS7ki1uzpJPx8vbqOzEtqnl1GZeAGJfq+jCbxeJL2y0EPnUNk8dRnnqR2xnYXg9Tf+g=="
-      },
-      "Speckle.DoubleNumerics": {
-        "type": "Direct",
-        "requested": "[4.1.0, )",
-        "resolved": "4.1.0",
-        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.InterfaceGenerator": {
-        "type": "Direct",
-        "requested": "[0.9.6, )",
-        "resolved": "0.9.6",
-        "contentHash": "HKH7tYrYYlCK1ct483hgxERAdVdMtl7gUKW9ijWXxA1UsYR4Z+TrRHYmzZ9qmpu1NnTycSrp005NYM78GDKV1w=="
-      },
-      "Speckle.Newtonsoft.Json": {
-        "type": "Direct",
-        "requested": "[13.0.2, )",
-        "resolved": "13.0.2",
-        "contentHash": "g1BejUZwax5PRfL6xHgLEK23sqHWOgOj9hE7RvfRRlN00AGt8GnPYt8HedSK7UB3HiRW8zCA9Pn0iiYxCK24BA=="
-      },
-      "GraphQL.Client.Abstractions": {
-        "type": "Transitive",
-        "resolved": "6.0.0",
-        "contentHash": "h7uzWFORHZ+CCjwr/ThAyXMr0DPpzEANDa4Uo54wqCQ+j7qUKwqYTgOrb1W40sqbvNaZm9v/X7It31SUw0maHA==",
-        "dependencies": {
-          "GraphQL.Primitives": "6.0.0"
-        }
-      },
-      "GraphQL.Client.Abstractions.Websocket": {
-        "type": "Transitive",
-        "resolved": "6.0.0",
-        "contentHash": "Nr9bPf8gIOvLuXpqEpqr9z9jslYFJOvd0feHth3/kPqeR3uMbjF5pjiwh4jxyMcxHdr8Pb6QiXkV3hsSyt0v7A==",
-        "dependencies": {
-          "GraphQL.Client.Abstractions": "6.0.0"
-        }
-      },
-      "GraphQL.Primitives": {
-        "type": "Transitive",
-        "resolved": "6.0.0",
-        "contentHash": "yg72rrYDapfsIUrul7aF6wwNnTJBOFvuA9VdDTQpPa8AlAriHbufeXYLBcodKjfUdkCnaiggX1U/nEP08Zb5GA=="
-      },
-      "Microsoft.Build.Tasks.Git": {
-        "type": "Transitive",
-        "resolved": "8.0.0",
-        "contentHash": "bZKfSIKJRXLTuSzLudMFte/8CempWjVamNUR5eHJizsy+iuOuO/k2gnh7W0dHJmYY0tBf+gUErfluCv5mySAOQ=="
-      },
-      "Microsoft.Data.Sqlite.Core": {
-        "type": "Transitive",
-        "resolved": "7.0.5",
-        "contentHash": "FTerRmQPqHrCrnoUzhBu+E+1DNGwyrAMLqHkAqOOOu5pGfyMOj8qQUBxI/gDtWtG11p49UxSfWmBzRNlwZqfUg==",
-        "dependencies": {
-          "SQLitePCLRaw.core": "2.1.4"
-        }
-      },
-      "Microsoft.Extensions.Configuration": {
-        "type": "Transitive",
-        "resolved": "2.2.0",
-        "contentHash": "nOP8R1mVb/6mZtm2qgAJXn/LFm/2kMjHDAg/QJLFG6CuWYJtaD3p1BwQhufBVvRzL9ceJ/xF0SQ0qsI2GkDQAA==",
-        "dependencies": {
-          "Microsoft.Extensions.Configuration.Abstractions": "2.2.0"
-        }
-      },
-      "Microsoft.Extensions.Configuration.Abstractions": {
-        "type": "Transitive",
-        "resolved": "2.2.0",
-        "contentHash": "65MrmXCziWaQFrI0UHkQbesrX5wTwf9XPjY5yFm/VkgJKFJ5gqvXRoXjIZcf2wLi5ZlwGz/oMYfyURVCWbM5iw==",
-        "dependencies": {
-          "Microsoft.Extensions.Primitives": "2.2.0"
-        }
-      },
-      "Microsoft.Extensions.Configuration.Binder": {
-        "type": "Transitive",
-        "resolved": "2.2.0",
-        "contentHash": "vJ9xvOZCnUAIHcGC3SU35r3HKmHTVIeHzo6u/qzlHAqD8m6xv92MLin4oJntTvkpKxVX3vI1GFFkIQtU3AdlsQ==",
-        "dependencies": {
-          "Microsoft.Extensions.Configuration": "2.2.0"
-        }
-      },
-      "Microsoft.Extensions.Logging.Abstractions": {
-        "type": "Transitive",
-        "resolved": "2.2.0",
-        "contentHash": "B2WqEox8o+4KUOpL7rZPyh6qYjik8tHi2tN8Z9jZkHzED8ElYgZa/h6K+xliB435SqUcWT290Fr2aa8BtZjn8A=="
-      },
-      "Microsoft.Extensions.Options": {
-        "type": "Transitive",
-        "resolved": "2.2.0",
-        "contentHash": "UpZLNLBpIZ0GTebShui7xXYh6DmBHjWM8NxGxZbdQh/bPZ5e6YswqI+bru6BnEL5eWiOdodsXtEz3FROcgi/qg==",
-        "dependencies": {
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Primitives": "2.2.0",
-          "System.ComponentModel.Annotations": "4.5.0"
-        }
-      },
-      "Microsoft.Extensions.Primitives": {
-        "type": "Transitive",
-        "resolved": "2.2.0",
-        "contentHash": "azyQtqbm4fSaDzZHD/J+V6oWMFaf2tWP4WEGIYePLCMw3+b2RQdj9ybgbQyjCshcitQKQ4lEDOZjmSlTTrHxUg==",
-        "dependencies": {
-          "System.Memory": "4.5.1",
-          "System.Runtime.CompilerServices.Unsafe": "4.5.1"
-        }
-      },
-      "Microsoft.NETCore.Platforms": {
-        "type": "Transitive",
-        "resolved": "1.1.0",
-        "contentHash": "kz0PEW2lhqygehI/d6XsPCQzD7ff7gUJaVGPVETX611eadGsA3A877GdSlU0LRVMCTH/+P3o2iDTak+S08V2+A=="
-      },
-      "Microsoft.NETCore.Targets": {
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-        "contentHash": "aOZA3BWfz9RXjpzt0sRJJMjAscAUm3Hoa4UWAfceV9UTYxgwZ1lZt5nO2myFf+/jetYQo4uTP7zS8sJY67BBxg=="
-      },
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-      },
-      "SQLitePCLRaw.bundle_e_sqlite3": {
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-        "contentHash": "EWI1olKDjFEBMJu0+3wuxwziIAdWDVMYLhuZ3Qs84rrz+DHwD00RzWPZCa+bLnHCf3oJwuFZIRsHT5p236QXww==",
-        "dependencies": {
-          "SQLitePCLRaw.lib.e_sqlite3": "2.1.4",
-          "SQLitePCLRaw.provider.e_sqlite3": "2.1.4"
-        }
-      },
-      "SQLitePCLRaw.core": {
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-        "contentHash": "inBjvSHo9UDKneGNzfUfDjK08JzlcIhn1+SP5Y3m6cgXpCxXKCJDy6Mka7LpgSV+UZmKSnC8rTwB0SQ0xKu5pA==",
-        "dependencies": {
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-        }
-      },
-      "SQLitePCLRaw.lib.e_sqlite3": {
-        "type": "Transitive",
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-      },
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-        }
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-          "System.Numerics.Vectors": "4.4.0",
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-        }
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-        }
-      },
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-        }
-      },
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-        "dependencies": {
-          "System.Runtime.CompilerServices.Unsafe": "4.5.3"
-        }
-      },
-      "speckle.sdk.dependencies": {
-        "type": "Project",
-        "dependencies": {
-          "Microsoft.Bcl.AsyncInterfaces": "[9.0.4, )"
-        }
-      },
-      "Microsoft.Bcl.AsyncInterfaces": {
-        "type": "CentralTransitive",
-        "requested": "[9.0.4, )",
-        "resolved": "9.0.4",
-        "contentHash": "9VGI5kxIvrNG2mqLQZnUR6y/3fcnygD8eNpHR+CqfbnIXvea6nehnYknDKQTxZVPMpzpNca+7DxLBmpdB3q0Bw==",
-        "dependencies": {
-          "System.Threading.Tasks.Extensions": "4.5.4"
-        }
-      }
-    },
     "net8.0": {
       "GraphQL.Client": {
         "type": "Direct",