Foliage does not appear in capture target when using "Always Persist Rendering State" when the foliage count is over 1.5k

UE - World Creation - Worldbuilding Tools - Foliage - Jan 10, 2018

There is an issue occurring where Foliage does not appear in capture target when using "Always Persist Rendering State" when the foliage count is over 1.5k. The issue does not occur when the foliage ...

Vector Parameter Values do not show values with material instances

UE - Graphics Features - Jan 22, 2018

There is an issue where Vector Parameter Values do not show values with material instances. There is a workaround to get the parameter to appear as intended but setting the specific parameters using ...

Crash in Debug Camera (patch provided in comment !)

UE - Gameplay - Feb 12, 2019

Hello, A licensee has reported us a crash in DebugCameraController / DebugCameraHUD.  It is due to a missing check in ADebugCameraHUD::PostRender() of SelectedActor set in ADebugCameraController ...

Array index out of range with StopTree

UE - AI - Mar 26, 2019

Crashes when exiting PIE while executing multiple async tasks. By explicitly executing EndTask and FinishAbort of RecieveAbort, this caused by performing out-of-range in array access to InstanceStac ...

Packaged content hangs when relaunching on Oculus Mobile device after Closing the application

UE - Audio - Apr 9, 2019

This does not occur with some previously packaged First Person templates that were on the device still namely one from //UE4/Dev-VR 4.21.0 @CL 4277723  It also does not occur with other apps on the ...

Error during packaging if nativizing a blueprint that contains a TMap with a UserDefinedEnum as a key

UE - Gameplay - Blueprint - Jun 17, 2019

Certain Map container calls (e.g. Find, Add) will fail to compile at packaging time if a Blueprint class containing a Map variable with a user-defined enumeration as the key type is nativized. This ...

Linux Vulkan editor crashes OOM on older graphics cards

UE - Graphics Features - Oct 19, 2018

Vulkan editor is very crashy on older cards due to memory pressure. I have to switch to OpenGL to work on the unrelated bugs. I'm attaching the details of the particular failure I had (see VulkanMe ...

Directional light triggers 'too many overlapping lights' error in forward shading

UE - Graphics Features - Sep 24, 2019

The underlying reason seems to be that the stationary lights require SM channels for casting shadows  from movable objects and they are assigned channels 0,1,2 by lightmass (or somewhere along the w ...

Water Exclusion Volume does not fully effect a Water Body

UE - Graphics Tools - Terrain - Water - Nov 21, 2022

Regression: Tested in UE5/Release-5.0, issue also occurs User has stated that they were using the Exclusion Volume to create a hole in the water for a cave or tunnel so that the water is not visibl ...

Game View renders Lights with Actor Hidden In Game enabled

UE - Graphics Features - Dec 6, 2022

This is not a regression. Tested in both 4.27.2 and //UE5/Release-5.0 CL20979098 Game View renders Lights with Actor Hidden In Game enabled. Documentation states: "...the Viewport to display the sc ...