Unreal Engine Issues
Unreal Engine Issues
Use a shared context in Loading instead of copying the LinkerInstancingContext
UE - DEET - EditorLoader - May 12, 2023Current LinkerInstancingContext are copying instead of being shared internally during loading which can induce a lot of memory usage when used with World Partition which can contains a lot of mappin ...
Level and Blueprint viewports have different behavior when calling FComponentVisualizerManager::HandleClick
UE - Gameplay - Blueprint Editor - Jun 22, 2023User reports a difference in how component visualizer clicks are handled in editor vs blueprint viewports. This is likely not intentional, just a case of a difference in control flow in each viewpor ...
The Blueprint compiler is not consistent with UHT when generating DefaultToInstanced variables
UE - Gameplay - Blueprint Compiler - Sep 7, 2023UnrealHeaderTool and the Blueprint compiler generate inconsistent metadata for object reference variables whose underlying class type includes 'DefaultToInstanced' metadata. UnrealHeaderTool-genera ...
FKismetCompilerUtilities::ValidateProperEndExecutionPath() was unintentionally removed from compile-time graph validation
UE - Gameplay - Blueprint Compiler - Oct 16, 2023We no longer include a note/warning when an expected execution path will not be taken in a function graph due to the presence of a return node. This was inadvertently removed by the change that intr ...
Overriding a struct member field's default value on a BP-added component in a BP asset will no longer allow the user to edit that struct member on instances of that BP's component if the member is deprecated.
UE - Framework - Blueprint - Oct 19, 2023Properties that are deprecated are (incorrectly) not currently being propagated to instances by the duplication logic that we use to instance BP-added components as part of Actor-based BP constructi ...
Ensure/failure when changing the class of a scene component that has bVisualizeComponent enabled
UE - Framework - Blueprint Editor - Oct 20, 2023Failure occurs at compile time during GC when the replacement component that we create is being destroyed. This component includes the BillboardComponent instance that's attached to the scene compon ...
Expensive WaitForTask in SceneCapture2D
UE - Rendering Architecture - Nov 20, 2023UDN users have reported that expensive scene captures stall the render thread due to RDG flushing the RHI thread for resource deletion. This only needs to happen once per frame. ...
WorldConditions forward declares USmartObjectDefinition without using the class
UE - AI - Jan 23, 2024In WorldConditionsEditor, at least DataRefDetails and DefinitionDetails forward declare USmartObjectDefinition without using the class. The uplugin nor the build.cs does not list SmartObjects as a ...
Subobject Data Subsystem has CanPasteSubobjects decorated with UFUNCTION but PasteSubobjects is not.
UE - Gameplay - Mar 25, 2024In the Subobject Data Subsystem, CanPasteSubobjects is BlueprintCallable, but the call to PasteSubobjects is not. Given CanCopySubobjects and CopySubobjects are both BlueprintCallable, the ability t ...
[AI] Crash in UGameplayDebuggerLocalController::OnDebugDraw
UE - AI - Debugging - Apr 27, 2024UGameplayDebuggerLocalController::OnDebugDraw crashed with a dereferenced nullptr for CachedReplicator. ...