Unreal Engine Issues
Unreal Engine Issues
[Audio Modulation] - Ensure is thrown when attempting to modulate a Source Effect at runtime
UE - Audio - Modulation - Sep 6, 2023Does *not* occur in editor. Only in standalone and runtime. Occurs when modulating Chorus or Bit Depth Also occurs in 5.2 and 5.3. I also noticed the test with this is supposed to set the chorus e ...
Attribute Reader + Torus Shape Location module cause NaNs in CPU Niagara systems
UE - Niagara - Sep 5, 2023It appears using the attribute reader with the shape location module set to torus will cause NaNs. The log mentions Sphere Radius among them, which should not be used with the torus mode. ...
Volumetric lightmap + stationary light has missing shadows
UE - Rendering Architecture - Sep 5, 2023Primitives with the "Lightmap Type" set to "Force Volumetric" are not shadowed correctly. Issue dates back to at least 4.27.2. As a workaround, making FLightCacheInterface::GetStaticInteraction al ...
Editor/Details Panel allows duplicate keys in TMap/TSet UPROPERTY()
UE - Editor - Workflow Systems - Sep 5, 2023When edited through the Details Panel in the Editor, TMap and TSet properties should not allow duplicate keys. When those keys are USTRUCTs with the “WithIdenticalViaEquality” trait, this should be ...
[MetaSounds] - Trigger inputs called by Execute Trigger Parameter refire on MetaSounds that become active after virtualization
UE - Audio - MetaSounds - Aug 31, 2023If trigger execute is called in Blueprint, it will fire every time the sound recovers from being virtual, even if it has not been called again. See video example: [Link Removed] Also occurs in Re ...
Inconsistent behavior with Register State Branches
UE - Editor - Workflow Systems - Aug 31, 2023ISourceControlProvider::RegisterStateBranches(...) doesn't reliably warn on conflicts ISourceControlProvider::RegisterStateBranches(...), specifically FPerforceSourceControlProvider, is supposed to ...
Cloth painting - Camera movements are broken once leaving the painting tool.
UE - Simulation - Physics - Character - Aug 29, 2023Possibly a regression, but I could reproduce this issue as far as 5.2, so unsure when it started. The issue seems to be that the cloth painting tool lock the camera movements during painting, but d ...
Crash in persona editor when set postprocess animinstance using Linked Layer Anim to skeletal mesh
UE - Anim - Runtime - Anim Blueprints - Aug 29, 2023Crash when set PostProcessAnimBlueprint in persona editor. Related to [Link Removed], [Link Removed]. ...
The getter/setter function bAllowRightClickDragScrolling incorrectly refers to AlwaysShowScrollbarTrack
UE - Editor - UI Systems - UMG - Aug 28, 2023UScrollBox::AlwaysShowScrollbarTrack has its own getter/setter function (SetAlwaysShowScrollbarTrack/IsAlwaysShowScrollbarTrack). In another property for UScrollBox::bAllowRightClickDragScrolling, ...
UAssetImportTask::bReplaceExisting is not supported with interchange
UE - Editor - Content Pipeline - Import and Export - Aug 25, 2023Add this code to a function you call from a blue utility widget or any other way to start the import with this code.TArray<UAssetImportTask*> ImportTasks; for (int32 i = 0; i < cFC.Files.Num(); i++) ...