Unreal Engine Issues
Unreal Engine Issues
Typo in description of SkySphere Horizon Falloff
Docs - Samples - Aug 3, 2015The description for Horizon Falloff is misspelled, it says 'Horitzon' instead of 'Horizon'. Edit MattK: This is a content issue because this is a blueprint data variable. ...
PhysicsBall BP not updating location with Collision volumes
UE - Simulation - Physics - Feb 2, 2017PhysicsBallBP is unable to teleport via a collision volume (with either SetActorLocation or Teleport node). Regression: Error is not present in 4.14.3 but is present in 4.15.P3 Console error descr ...
Android iterating with Launch On in always recompiles android_native_app_glue.c and UELinkerfixups
UE - Platform - Mobile - Jun 22, 2017Copying values of an array created through C++ does not copy all values
Tools - Aug 24, 2017Copying values of an array created through C++ does not copy all values, only the first value is copied over. This is different than an array that is created in blueprints when those are copied they ...
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 ...