Unreal Engine Issues
Unreal Engine Issues
UE5.4 Regression - crash when disabling shader optimization while raytracing is enabled on D3D12
UE - Rendering Architecture - Shaders - Jul 15, 2024Certain 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 ...
Min Roughness Light Setting Does Not Work In Forward Shading
UE - Graphics Features - Mar 1, 2017Min roughness in the light settings currently aren't working in the forward shading mode. ...
Particle System Components don't inherit owner's time dilation
UE - Niagara - Feb 7, 2020This 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
UE - Graphics Features - Jan 24, 2017When 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
Media Framework - Aug 2, 2019It appears that RSTP streams do not work in editor when used with a Stream Media Source asset. ...
DBuffer Decals render on top of Foliage
UE - Graphics Features - Sep 18, 2015This 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
UE - Graphics Features - Jan 15, 2015There is a bloom artifact at the top of the bottom player's screen. ...
Startup Movies Fail to Play when Audio Devices are Disabled
Tools - Feb 1, 2016If a user launches a project in Standalone mode and has a Startup movie while the audio devices on the computer are disabled, the movie will fail to play. As soon as you re-enable an audio device, ...
Running the demostop command within GameMode :: OnLogout crashes the process
UE - Networking - May 18, 2018amendment void APlayerController::OnNetCleanup(UNetConnection* Connection) { UWorld* World = GetWorld(); // destroy the PC that was waiting for a swap, if it exists if (World != NULL) ...
Can't Play In Editor after editing color value in color picker
UE - Anim - Runtime - Oct 23, 2020Can not launch PIE after set the value in color picker window to enter a number from the keyboard. Choose the color value with the picker or close the window with the Cancel button to return to it. ...