Unreal Engine Issues
Unreal Engine Issues
Custom Primitive Data on BP instance not taking affect while in editor
UE - Rendering Architecture - Apr 5, 2023Original Repo is from 4.27, however, it still happens in 5.2. This is happening because the Instance Data system does not update the field UPrimitiveComponent::CustomPrimitiveDataInternal from the d ...
Opening Sprite assets or Paper Flipbook crashes the engine in 5.3
UE - Gameplay - Paper2D - Apr 16, 2024Licensee was not able to open any Sprite asset file in 5.3 without it causing a crash. They were able to avoid this by disabling raytracing in the project. ...
[Bug] 4.7.0 preview 5: Cannot add events for the main component of the SkeletalMeshActor
UE - Gameplay - Blueprint - Feb 9, 2015In UE4.7 Preview 5, cannot add events for the main component of the SkeletalMeshActor. (see screenshot.) ...
HLOD generated proxy doesn't create or assign target lightmap coordinate index any longer
UE - World Creation - Worldbuilding Tools - HLOD - Sep 6, 2016There are instances where HLODs will either generate a lightmap but not assign it to the correct Lightmap Coordinate index from the target lightmap setting in the HLOD outliner or the Lightmap will ...
Web Browsers widget components stop accepting input when toggling visibility with a delay if there is more than 5 browsers
UE - Editor - UI Systems - UMG - Dec 5, 2022This is not a regression. Tested in //UE5/Release-5.0 CL20979098 Web Browsers widget components stop accepting input when toggling visibility with a delay if there is more than 5 browsers. This onl ...
nDisplay VIOSO Projection Policy broken since 5.0.3
UE - Virtual Production - nDisplay - Nov 25, 2022Hi Sevan, I think we are having a bug: When using our calibration format “vwf” the image is slightly misaligned. Same calibration exported MPCDIv2 works good in UE. So it seems to be some issue ...
UE 5.4 - Specular/reflection disappears above 4096 resolution render
UE - Rendering Architecture - Aug 1, 2024After a viewport is more than 4096 pixels wide, Lumen's specular reflections buffer cuts its width off at 4096 pixels. It appears that the affected buffer is "Lumen.Reflections.ResolvedSpecularIndi ...
VOIP Steam recieved audio will be affected by any Audio FX the player is standing in when receiving the audio.
UE - Audio - Sep 16, 2016If the player is standing in an area that adjusted audio, VOIP audio will also be affected. ...
Unlit view is affected by Exposure Compensation when enabled by post process volume
UE - Graphics Features - Jun 7, 2018Unlit view is affected by Exposure Compensation when enabled by post process volume. This will also carry across the other debug views. Working as expected in 4.18 CL# 3832480 Found in 4.19 CL# ...
Crash when applying Radial force to a BSP when Radial force is set to affect World static
UE - Simulation - Physics - Apr 10, 2019If a radial force component applies force to a BSP the editor will crash. The radial force will need to be set to affect world static objects. ...