Unreal Engine Issues
Unreal Engine Issues
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 ...
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 ...
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. ...