Unreal Engine Issues
Unreal Engine Issues
Saving Level changes the Rotation of actors with parent-child relationships
UE - Gameplay - Components - Nov 14, 2019According to the licensee report, UnrealMath.cpp (588) constfloat SINGULARITY_THRESHOLD = 0.4999995f; It seems that this can be avoided by changing the above value. However, changing SINGU ...
FCPXML export is off by one frame
UE - Anim - Sequencer - Feb 10, 2021It looks like FCPXML is off by one frame for the MRQ export. For the old movie scene capture tool, it appears correct. ...
Static Mesh Scene Actor Flipped Normals
UE - Rendering Architecture - Aug 31, 2023Static meshes can have normals flipped when the actor they are attached to has one component of its scale inverted. ...
[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. ...
When using seamless travel in combination with the console command "Server Travel LevelName" Event End play nodes do not get a chance to fire off
UE - Gameplay - May 20, 2015Licensee was having trouble removing widgets from the viewport on End play in the HUD blueprint. They were using Seamless travel for their game mode and they were changing levels with the console co ...
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 ...