Unreal Engine Issues
Unreal Engine Issues
Emitters at display 3.4 in Content Examples Niagara map are not rendering
UE - Niagara - Aug 16, 2019REGRESSION: Yes, did not occur in 4.22 In the Content Examples Niagara map, the emitters at display 3.4 are not rendering when at runtime. There were some fixes for this (or a similar issue) for V ...
Migrating a project from UE5.2 to UE5.3.1, there was a difference in the navmesh generated on HISM
UE - Runtime - Character - Oct 24, 2023HISM is generated by ConstructionScript Actor is placed on the level and navmesh is generated on top of HISM. In UE5.2, the navmesh was generated without splitting on the HISM. In UE5.3, a break occ ...
Creating 3 player splitscreen causes viewport to go black on PIE
UE - Graphics Features - Feb 13, 2015If a game is set to play with 3 player splitscreen, starting the came will cause the viewport to go completely black. Does not occur with 2/4 players. Does not occur in standalone ...
SetControlRotation does not affect VR
UE - Platform - XR - Oct 1, 2015Using a Set Control Rotation node does not change the camera rotation when in VR mode. ...
Unreal 5.7 Trace server not working on Rocky 8
UE - Platform - Linux - Aug 6, 2026UnrealTraceServer built on a Rocky 8 machine yields a binary that depends on versions of glibc and glibcxx higher than the 2.28 version provided by Rocky 8.$ ldd UnrealTraceServer./UnrealTraceServer ...
Using the Execute Console Command node to run demoplay causes the editor crash/freeze
UE - Networking - Nov 13, 2015This bug has different behavior throughout the 4 different versions listed. 4.8.3 - Gives an assert 4.9.2 & 4.10 - Gives a fatal error crash 4.11 (Main) - Freezes the editor without a crash report ...
nDisplay VIOSO Projection Policy broken since 5.0.3
zComponent - Archive - 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 ...
Shadow Maps performance issue with 5.4 in comparison towards 5.3
UE - Graphics Features - Shadows - Nov 20, 2024Shadow depths performance for non-VSM in certain scenes, notably those with rect lights and meshes that are set to movable, went from ~2ms to ~18ms going from UE 5.3 to UE 5.4. Setting the movable a ...
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# ...