Unreal Engine Issues
Unreal Engine Issues
Translucent Water renders dark with Lumen enabled.
UE - Graphics Features - Ray Tracing - May 30, 2023Regression tested in 5.1 at CL 23901901 where the issue still occurs. The material will still have the normal and reflective properties. ...
Submix Level's minimum changes from -96dB to -60dB after making any changes to value
UE - Audio - Submixes - Mar 22, 2023Reproduces 3/3 times. Issue does not occur in //UE5/Release-5.1 - CL 23901901 Binary. Confirmed Regression. ...
LiDAR assets do not render in after relaunching the engine
UE - Editor - Content Pipeline - Datasmith - Aug 15, 2023LiDar point clouds are failing to render when saving and relaunching the project This issue is occurring in //UE5/Release-5.3 @ CL 26560699 This issue is occurring in //UE5/Release-5.3 @ CL 2600198 ...
Decals Normal only + Material Attributes
UE - Graphics Features - Mar 24, 2023This does not just work with BaseColor, you can affect any of the outputs by connecting something to a disconnected CreateMaterialAttributes. ...
Unwanted black boundaries are displayed in a vertical split-screen with 3 players.
UE - Gameplay - Dec 2, 2019Floating point error from UGameViewportClient::SplitscreenInfo causes this issue. FMath::TruncToInt( 3240 /*ViewportSize*/ * 0.333f/*Ratio in SplitScreenInfo*/ ) = 1079 I suggested a following t ...
ACEScg Working Color Space renders more saturated than previous versions
UE - Virtual Production - Rendering - Color - Jan 11, 2023Regression: Tested in UE5/Release-5.0, this issue does not occur so this is a regression. This appears to be effecting all Working Color Spaces as well. Each Working Color Space chosen renders the ...
HTML5 fails to compile on Mac/Windows - Shipping
UE - Platform - Apple - Jan 13, 2017HTML5 fails to compile on Mac when built for shipping in binary I did not see this when packaging for development yesterday Does not occur in 4.14.3 The error appears to be WebGL relatedError: Web ...
Material Function Instances do not show up in the Material Function Call node
UE - Rendering Architecture - Materials - Jun 5, 2023This is not a regression. Tested in //UE5/Release-5.1 CL23901901. The Material Function Instance can be dragged and dropped into the Material Function Call. ...
HDR (eye adaptation) visualization has incorrect output when Allow static lighting is disabled
UE - Graphics Features - Mar 19, 2025Licensees have reported that this issue occurs in UE 5.5 and does not appear to occur in UE 5.4 or with Substrate enabled. ...
iOS movie (mp4) has no sound in the playback.
UE - Platform - Mobile - May 16, 2017There is no sound in the movie play in iOS, built with 4.16 GitHub source code version. you can simply reproduce using attached sample project. This is reproduced in iPhone 5s(10.3.1) iPhone 6(iOS ...