Unreal Engine Issues
Unreal Engine Issues
Warp Utils plugin crashes on Editor restart
UE - Virtual Production - Mar 17, 2020Enabling the Warp Utils plugin and restarting the Editor causes it to crash. This is a regression from 4.24.3 (CL-11590370). This was reported and tested in 4.25 Preview 2 (CL-12055273) and reprodu ...
BuildGraph build fails if Use Unity Build and Use PCH Files are set to false in BuildConfiguration.xml
UE - Online - Jun 23, 2017Using BuildGraph to create a local binary build of the engine fails if the BuildConfiguration.xml file has bUseUnityBuild and bUsePCHFiles both set to false. The build fails due to some missing Json ...
CableComponent particles spawn at origin when gameplay starts depending on component registration order
UE - Framework - Components - Jan 9, 2025A workaround was provided for the user, to use 'Set Attach End to Component' nodes during BeginPlay. While this fixes the issue in gameplay, the editor preview no longer syncs with gameplay. ...
Attached Project Crashes When Attempting to Open Blueprint
UE - Gameplay - Blueprint - Nov 11, 2015The project in question: [Link Removed] The user is experiencing an issue where they've fixed compile errors on their NPC blueprint, and now are unable to open it without experiencing a crash. Righ ...
Crash when opening and closing custom profiles and then closing UFE
UE - Platform - Console - UnrealFrontend - Sep 26, 2016Semi sporadic crash is occurring when switching between profiles in UFE and then exiting out This could not be repro'd on a Win7 machine with and Nvidia 980, could not be repro'd on a Win10 machine ...
Child Actor does not get BeginPlay if SetClass used inside Parent's BeginPlay
UE - Gameplay - Jan 20, 2017Per https://udn.unrealengine.com/questions/332025/childactorcomponents-spawned-actor-doesnt-get-begi.html If SetClass is used to set up a ChildActor as part of BeginPlay, that ChildActor does not g ...
Static mesh LODs other than LOD0 cannot be set to screen sizes greater than 1
Tools - Jan 26, 2017Static mesh LODs other than LOD0 cannot be set to screen sizes greater than 1 From this AnswerHub thread: https://answers.unrealengine.com/questions/525398/hismc-bug-always-show-lowest-lod.html ...
Crash clicking the question mark to show Viewport controls
UE - Platform - Linux - Feb 6, 2017Was not able to reproduce on Windows. I checked the Linux log (Project, UE4) and did not notice anything meaningful there. I used GDB to get a backtrace from the core dump file. Attaching that and ...
High Quality Gaussian DoF on Mobile is broken
UE - Platform - Mobile - Apr 11, 2018UDN issue: 4.19 High Quality Gaussian DoF on Mobile效果出错？ Another answer hub report: https://answers.unrealengine.com/questions/757162/dof-bug-on-mobile-with-419p4.html ...
Investigate if we can avoid re-sending properties using COND_InitialOnly when being woken from dormancy
UE - Networking - Oct 24, 2018Investigate if we can avoid re-sending properties using COND_InitialOnly when being woken from dormancy. See: https://udn.unrealengine.com/questions/463660/dormant-actors-replicate-properties-set-t ...