Unreal Engine Issues
Unreal Engine Issues
Crash in PCGComponent during file load for file with vegetation from placement tools
TM - Rendering - Jul 14, 2025Reported in SF [Link Removed] Client has a file that consistently crashes during loading in the PCGComponent.cpp that appears to be linked to placed vegetation. Crash occurs during file open and m ...
Spawn actor of class does not work in packaged game
UE - Gameplay - Blueprint - Jul 1, 2015Spawn actor from class does not work when playing in a packaged game. ...
Crash while unloading a streaming level while spawned decals exist in the unloaded level
UE - Graphics Features - Aug 18, 2017When unloading a level containing a decal that is using a dynamic material instance the editor will crash. ...
BSOD when launching Twinmotion on NVIDIA 50-series GPUs with 576.02 Drivers
TM - Rendering - Apr 22, 2025Reported from multiple users. NVIDIA RTX 50-series GPU users are reporting BSODs when attempting to launch Twinmotion with the latest drivers installed. The crashes occur on the 576.02 driver versi ...
Mac editor mobile preview crash with MSAA on
UE - Platform - Mobile - Mar 1, 2021setting GSupportsTimestampRenderQueries=false or r.GPUStatsEnabled=0 can fix it ...
Height fog removed in split screen when player1 is facing the opposite direction.
UE - Graphics Features - Sep 23, 2021Please see the UDN for a potential fix/workaround description. ...
Eye Adaptation post process volumes make the viewport extremely bright
UE - Graphics Features - Jan 3, 2017In 4.14 when entering the volume the screen brightens which is expected. The problem is that in 4.15 it brightens more. So much so that some static meshes are rendered almost completely white. I ...
HISM: Calling UpdateInstanceTransform with a transform only containing rotation or scale would not update the transform at runtime or cooked
UE - World Creation - Worldbuilding Tools - Foliage - Aug 29, 2018Calling UpdateInstanceTransform on a HISMC with a transform only containing rotation or scale would not update the transform at runtime or cooked. ...
Menus flash when being opened with application scale adjusted
UE - Editor - UI Systems - Slate - Jun 1, 2021When application scale is adjusted the menu bar menus will flash when they are opened. This issue is occurring in //UE5/Release-5.0-EarlyAccess Binary CL 16433597 This issue is NOT occurring in // ...