Unreal Engine Issues

UE5.4 Regression - crash when disabling shader optimization while raytracing is enabled on D3D12

Certain interactions between a Rect Light with a Light Function and a Post-Process volume lead to a check() when compiling a Ray Tracing PSO for tracing lights. This check() only happens when shader ...

Setting size of GameViewportClient gives different results on Android than in Editor

Setting size of GameViewportClient gives different results on Android than in Editor OpenGL ES renders with the viewport origin in the bottom left, so that's potentially related to the problem. A ...

Min Roughness Light Setting Does Not Work In Forward Shading

Min roughness in the light settings currently aren't working in the forward shading mode. ...

Particle System Components don't inherit owner's time dilation

This is a regression introduced by the particle system manager. It does not account for the owning actor's time dilation when ticking the particle system components.  ...

Emissive Materials Change Colors Unexpectedly With Increased Values

When multiplying vector 3 (R,G,B) values by a scalar value of increasing quantity the emissive output will begin to change colors. The most unexpected is the blue color that will turn purple while t ...

RSTP Stream does not appear to work with Media Streaming source assets

It appears that RSTP streams do not work in editor when used with a Stream Media Source asset. ...

Placed render targets are not initialized properly in D3D12

DBuffer Decals render on top of Foliage

This is the same issue found in [Link Removed]. Foliage will not act as an occluder as expected with painted foliage. [Image Removed] Also reproduced in Main CL-2689138 ...

Bloom artifact showing in splitscreen settings

There is a bloom artifact at the top of the bottom player's screen. ...

Running the demostop command within GameMode :: OnLogout crashes the process

amendment void APlayerController::OnNetCleanup(UNetConnection* Connection) { UWorld* World = GetWorld(); // destroy the PC that was waiting for a swap, if it exists if (World != NULL) ...