Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Crash on Mac related to editor close
UE - Platform - Apple - Jun 6, 2017This is a long-standing Mac crash that occurs with low frequency, but has affected more than 500 users since it started (possibly in the 4.11 release) It has recently been experienced internally by ...
Packaged Paper2D game using Flipbooks crashes when opening Level
UE - Gameplay - Components - Sep 11, 2020Paper2D game using Blueprint Actor with Box Collision and Flipbook Component crashes frequently when loading levels in packaged Development Build. Reported and tested in versions 4.25.3(CL 139427 ...
HLOD CalculateOverlap crashes when spheres barely overlap
UE - World Creation - Worldbuilding Tools - HLOD - Sep 16, 2019The engine will crash when cluster bounds barely overlap. ...
ExtendDefaultLuminanceRange causes black rendering on Mobile renderer
UE - Platform - Mobile - Feb 7, 2020URigVMBlueprint::CompileLog can spam the editor log when verbosity is set to Log
UE - Anim - Rigging - Control Rig - Jul 21, 2023It seems that URigVMBlueprint::CompileLog is spamming the log whenever a call to BP_SCOPED_COMPILER_EVENT_STAT, including for blueprints that are unrelated to control rig. The log messages are only ...
Special modifier key inputs do not register in editor if the key press occurs instantly
Tools - Mar 1, 2016Special function key presses and hotkey shortcuts do not register in the editor if they fire key presses instantaneously (0ms). In particular, TypeMatrix keyboards reproduce this error using keyboar ...
Crash when adding sphere reflection capture to a scene
UE - Graphics Features - Jan 30, 2017An occasional crash occurs when adding a sphere reflection capture to the scene from the place mode panel. This issue has a low repro, but has been seen a couple times. Repro rate seems to be around ...
Startup Movies Black Screen in Packaged Projects
Tools - Jun 25, 2018Startup movies displaying black screen in packaged projects. Tested with 4.20p3 4135216 and 4.21 4157973 ...
Calling "GetCameraImage" rapidly ~10 times causes ARKit camera feed to stop updating
UE - Platform - XR - Nov 8, 2018If you call the "GetCameraImage" function rapidly ~10 times, it causes the ARKit camera feed to stop updating. Waiting for awhile or tapping some more seems to bring it back. Tested on macOS H ...
Lighting channels on static mesh doesn't change correctly at runtime
UE - Graphics Features - Aug 28, 2020If call SetLightingChannels in blueprint to set a static mesh's lighting channels at runtime, the mesh in the viewport seems can't update to the new lighting channel setting. A weird thing is, if ...