Unreal Engine Issues
Unreal Engine Issues
Android app will get crashed if it disable HDR and run with Vulkan API
UE - Platform - Mobile - May 17, 2018The backtrace is： F/DEBUG : backtrace: F/DEBUG : #00 pc 00070e22 /vendor/lib/hw/vulkan.msm8994.so (A4xCommandBuffer::HwProcessWorkload(QglWorkload*)+585) F/DEBUG : #01 pc 0004758d / ...
255x255 Quads Landscape on mobile is broken
UE - Platform - Mobile - Sep 13, 2019This issue is reproduced on mobile devices. According to the information from the licensee, it occurs with the following settings.[Link Removed] When executed, the following warning is displayed."L ...
Landscape grass ignores the scale of the parent actors
UE - Graphics Tools - Terrain - Landscape - Nov 11, 2020DrawScale = Landscape->GetRootComponent()->GetRelativeScale3D(); ↓ DrawScale = Landscape->GetActorScale3D(); Changing as above will solve the problem. Output log displays this warning: LogPhysic ...
[CrashReport]UnrealEditor-Core!FNamedTaskThread::ProcessTasksNamedThread(int,bool) [TaskGraph.cpp:760]
UE - Graphics Features - Feb 13, 2023Generated from CrashReporter ...
Level Instance: UWorld::BlockTillLevelStreamingCompleted doesn't do recursive Level Instances
UE - World Creation - Worldbuilding Tools - Level Instances - Sep 19, 2023Sphere Mask ArgInvHardness missing multiplication
UE - Rendering Architecture - Materials - Jun 27, 2025Hi Epic, In MaterialExpressions.cpp UMaterialExpressionSphereMask::Compile(), hardness is not calculated the same way in both <if> conditions. One is missing a multiplication by 0.01f. Specificall ...
Crash when using AnimSeqStats console command
OLD - Anim - Apr 8, 2015Crash when using AnimSeqStats console command. User in the additional info URL seems to know what the code change should be. [Link Removed] ...
Failing to compile will cause blueprint variables to reset to their default values
UE - Gameplay - Blueprint - Jan 18, 2016If a user creates a variable and sets it to a value that is not the default and then gets an error that prevents the blueprint from compiling, this will cause the variable to be reset to it's defaul ...
Setting inherited variables in child blueprint crash editor
UE - Gameplay - Blueprint - Apr 15, 2015PIE without compiling child blueprint (3rdSpiderPawn in example) that is attempting to affect an inherited variable will crash the editor. Additional Information: User has several cast to nodes ca ...
Disabling the oculus rift plugin but no the Oculus input or Oculus Library will cause a crash
UE - Platform - XR - Oct 29, 2015If the user disables the oculus rift plugin without disabling the oculus input and oculus library plugins the project will crash on opening. ...