Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor-Core.dylib!<Unknown>
OLD - Anim - Dec 31, 2015[Link Removed] ...
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. ...
HighResShot's bDumpBufferVisualizationTargets does not work on PNG output.
UE - Rendering Architecture - RHI - Jun 2, 2022If the same command is executed with 4.27, multiple screenshots will be saved. ...
Rewind debugger would crash when recording a character using Pose search
UE - Anim - Gameplay - Aug 8, 2025Our character is using the Pose search setup from GameAnimation content example. The architecture of the system is most the same with some new function that account for some input difference and sp ...
Mac editor mobile preview crash with MSAA on
UE - Platform - Mobile - Mar 1, 2021setting GSupportsTimestampRenderQueries=false or r.GPUStatsEnabled=0 can fix it ...
MRQ - Skeletal Mesh motion vector are output only for the last sample of Spatial Sample Count
UE - Anim - Sequencer - MRQ - Jan 24, 2025Skeletal Mesh motion vectors are output only for the last sample of Spatial Sample Count, while Static Mesh motion vectors are output in all samples. UDN: [Link Removed] Slack thread: [Link Remo ...
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. ...
Hardware Raytracing on Lumen can cause a crash on AMD Radeon GPUs
UE - Graphics Features - Lumen - Jul 29, 2025Hardware Raytracing support can cause a crash on AMD Radeon GPUs when creating the RT pipeline state. ...