Unreal Engine Issues
Unreal Engine Issues
Cannot create installed build on Linux
UE - Foundation - Build - Rocket (Installed Engine) - Sep 16, 2016See log attached to [Link Removed]. NetworkProfiler does not compile on Linux due to a missing assembly. We shouldn't need to ship it on Linux anyway. ...
Undetected infinite loop on spline creation
UE - Gameplay - Blueprint Compiler - Mar 16, 2019It is possible to create spline logic that will not be detected by infinite loop detection. Also hangs if executed in Event Graph on Begin Play. If saved but not compiled and placed in Editor Star ...
Mac editor mobile preview crash with MSAA on
UE - Platform - Mobile - Mar 1, 2021setting GSupportsTimestampRenderQueries=false or r.GPUStatsEnabled=0 can fix it ...
Pawn Velocity dramatically different on server and client with Client Authoritative Position
UE - Gameplay - Sep 28, 2018The server is not seeing the correct walking animations on each of the clients and after doing some digging, we found that the Pawn->GetVelocity() function is returning something drastically smaller ...
Rect light LTC textures fail to load when cooking with bSharedLinearTextureEncoding enabled
UE - Texture - Apr 2, 2025When running a build with bSharedLinearTextureEncoding enabled, View.GGXLTCMatTexture and View.GGXLTCAmpTexture are pointing at the black texture fallback, which affects correctness of rect lighting ...
Vector VM - Crash / memory stomp when using > 255 external function calls
UE - Niagara - Aug 12, 2025The Vector VM has only every supported a byte's worth of external function calls, when we blew the limit it would index into the incorrect VM call. The new VM will also overwrite memory when exceed ...
STileView EventOnListItemObjectSet function is not called if the TileView items are cleared and then the same exact items are re-added
UE - Editor - UI Systems - UMG - Sep 6, 2022Result: In UMG_TileViewItem, EventOnListItemObjectSet function Trigger once Expected Results： EventOnListItemObjectSet function Trigger twice ...
Crash Occurs When Creating a Blueprint From a Nav Link Proxy
UE - Gameplay - Blueprint - Sep 27, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...
GetHMDDeviceName function's name is no longer accurate, is confusing
UE - Platform - XR - May 30, 2018UHeadMountedDisplayFunctionLibrary::GetHMDDeviceName() says it returns the "device" you are using, but it really returns the name of the SDK or XR System that you are using (for example launching o ...
Can't run sequener_anim_examples.py due to indentation error
UE - Anim - Sequencer - Feb 10, 2021This file has inconsistent indentation, with two tabs in the first line of code and one everywhere else. ...