UpdateDelayRandomStream can cause replicated actor to be skipped for consideration

UE - Networking - May 6, 2024

When calculating an actor's NextUpdate time, a random delay is added: ActorInfo->NextUpdateTime = World->TimeSeconds + UpdateDelayRandomStream.FRand() * ServerTickTime + NextUpdateDelta; If this d ...

DumpShaderStats doesn't output any shader data

UE - Rendering Architecture - Shaders - May 1, 2024

The DumpShaderStats console command doesn't output any shader stats because the code to calculate that information in DumpShaderStats (Shader.cpp) is commented out https://github.com/EpicGames/Unrea ...

Chaos Cloth - Fictitious Angular Scale is acting up when the cloth is teleported

UE - Simulation - Physics - Character - Apr 30, 2024

The Fictitious Angular Scale is still having an effect when the cloth is teleported.  Also it shouldn't have any effects when the velocity scale is set to 1 (as per tooltip documentation) but it doe ...

Nanite static mesh components are not individually highlighted when selected

UE - Rendering Architecture - Apr 30, 2024

Non-nanite static mesh components still show an individual highlight outline which individually selected even with other non-nanite static mesh components in the same actor. This is different when t ...

USplineComponent still editable in viewport despite setting as "read-only".

UE - Gameplay - Blueprint Editor - Apr 29, 2024

A spline component continues to be visible and editable in-editor despite all attempts to disable the functionality through the component's settings or uproperty specifiers. ...

[AI] Crash in UGameplayDebuggerLocalController::OnDebugDraw

UE - AI - Debugging - Apr 27, 2024

UGameplayDebuggerLocalController::OnDebugDraw crashed with a dereferenced nullptr for CachedReplicator. ...

GameplayTagQuery in editor can fail to update to new values or reset after being cancelled

UE - Gameplay - Apr 25, 2024

When editing a GameplayTagQuery inside of the editor, there are times when the query editor will not update the query when selecting Ok or fail to return the query to its original state before editi ...

Ray Traced Shadows ignore mesh occlusion on water when enabled

UE - Graphics Features - Ray Tracing - Apr 25, 2024

A forum user reported an issue where object geometry occlusion would be missing when Ray Traced shadows were enabled. I was able to reproduce the issue internally where occlusion seems to be missing ...