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, 2017Android 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 ...
Sphere 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 on stopping PIE after using DemoRec in PIE
UE - Networking - Jan 20, 2016Crash on stopping PIE after using DemoRec in PIE. Possibly related to [Link Removed] which must be fixed, but happens upon stopping PIE. Reproduced in 4.11.0 Preview 3 binary and Main (//UE4/Dev-Ma ...
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] ...