Update to .NET 11 Preview 2 and R# 2026.1.0-eap08

Author: bkoelman

.config/dotnet-tools.json

@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "jetbrains.resharper.globaltools": {
-      "version": "2026.1.0-eap06",
+      "version": "2026.1.0-eap08",
       "commands": [
         "jb"
       ],

package-versions.props

@@ -6,7 +6,7 @@
     <HumanizerFrozenVersion>2.14.1</HumanizerFrozenVersion>
     <NewtonsoftJsonFrozenVersion>13.0.4</NewtonsoftJsonFrozenVersion>
     <SwashbuckleFrozenVersion_NET8_9>10.1.5</SwashbuckleFrozenVersion_NET8_9>
-    <SwashbuckleFrozenVersion_NET10_11>10.*-pr.3786.*</SwashbuckleFrozenVersion_NET10_11>
+    <SwashbuckleFrozenVersion_NET10_11>*-pr.3786.*</SwashbuckleFrozenVersion_NET10_11>
     <SystemTextRegularExpressionsFrozenVersion>4.3.1</SystemTextRegularExpressionsFrozenVersion>
 
     <!-- Non-published dependencies (these are safe to update, won't cause a breaking change) -->

src/JsonApiDotNetCore/AtomicOperations/Processors/AddToRelationshipProcessor.cs

@@ -26,7 +26,7 @@ public AddToRelationshipProcessor(IAddToRelationshipService<TResource, TId> serv
         var leftId = (TId)operation.Resource.GetTypedId();
         ISet<IIdentifiable> rightResourceIds = operation.GetSecondaryResources();
 
-        await _service.AddToToManyRelationshipAsync(leftId!, operation.Request.Relationship!.PublicName, rightResourceIds, cancellationToken);
+        await _service.AddToToManyRelationshipAsync(leftId, operation.Request.Relationship!.PublicName, rightResourceIds, cancellationToken);
 
         return null;
     }

src/JsonApiDotNetCore/AtomicOperations/Processors/DeleteProcessor.cs

@@ -24,10 +24,7 @@ public DeleteProcessor(IDeleteService<TResource, TId> service)
         ArgumentNullException.ThrowIfNull(operation);
 
         var id = (TId)operation.Resource.GetTypedId();
-#pragma warning disable CS8607 // A possible null value may not be used for a type marked with [NotNull] or [DisallowNull]
-        // Justification: Temporary workaround for R# bug at https://youtrack.jetbrains.com/issue/RSRP-503026.
         await _service.DeleteAsync(id, cancellationToken);
-#pragma warning restore CS8607 // A possible null value may not be used for a type marked with [NotNull] or [DisallowNull]
 
         return null;
     }

src/JsonApiDotNetCore/AtomicOperations/Processors/RemoveFromRelationshipProcessor.cs

@@ -26,7 +26,7 @@ public RemoveFromRelationshipProcessor(IRemoveFromRelationshipService<TResource,
         var leftId = (TId)operation.Resource.GetTypedId();
         ISet<IIdentifiable> rightResourceIds = operation.GetSecondaryResources();
 
-        await _service.RemoveFromToManyRelationshipAsync(leftId!, operation.Request.Relationship!.PublicName, rightResourceIds, cancellationToken);
+        await _service.RemoveFromToManyRelationshipAsync(leftId, operation.Request.Relationship!.PublicName, rightResourceIds, cancellationToken);
 
         return null;
     }

src/JsonApiDotNetCore/AtomicOperations/Processors/SetRelationshipProcessor.cs

@@ -27,7 +27,7 @@ public SetRelationshipProcessor(ISetRelationshipService<TResource, TId> service)
         var leftId = (TId)operation.Resource.GetTypedId();
         object? rightValue = GetRelationshipRightValue(operation);
 
-        await _service.SetRelationshipAsync(leftId!, operation.Request.Relationship!.PublicName, rightValue, cancellationToken);
+        await _service.SetRelationshipAsync(leftId, operation.Request.Relationship!.PublicName, rightValue, cancellationToken);
 
         return null;
     }

test/OpenApiTests/OpenApiTests.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net11.0;net10.0;net9.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0</TargetFrameworks>
     <GenerateDocumentationFile>True</GenerateDocumentationFile>
     <OpenApiGenerateDocuments>false</OpenApiGenerateDocuments>
     <NoWarn>$(NoWarn);1591</NoWarn>

test/TestBuildingBlocks/CapturingLoggerProvider.cs

@@ -16,8 +16,6 @@ public sealed class CapturingLoggerProvider : ILoggerProvider
     private static readonly Func<string, LogLevel, bool> DefaultFilter = (_, _) => true;
     private readonly Func<string, LogLevel, bool> _filter;
 
-    // ReSharper disable once ChangeFieldTypeToSystemThreadingLock
-    // Justification: Workaround for bug https://youtrack.jetbrains.com/issue/RSRP-503024/Regression-Use-System.Threading.Lock-on-.NET-11.
     private readonly LockPrimitive _lockObject = new();
     private readonly List<LogMessage> _messages = [];