Unreal Engine Issues

2 GB/hr Memory Leak on levels that are not enclosed

2 GB/hr Memory Leak on maps with no Sky Sphere or Atmospheric Fog to occlude empty space. The leak also occurs during general usage, but was tested with a blank project and an absolutely blank leve ...

iOS Device displays textures darker than in Editor

The issue is that on iOS devices textures are displaying significantly darker than expected. I did a color calibration with my monitor to get a more accurate representation of the texture. I set th ...

Packaging for ARM 32 bit fails during build phase with libopenvr_api.so: file not recognized

This is the ouput in the UnrealBuildTool log:[301/301] Link ThirdPersonServer D:/GitHub-Release-4.16/3427662/Engine/Source/ThirdParty/OpenVR/OpenVRv1_0_6/lib/linux64/libopenvr_api.so: file not reco ...

[CrashReport] Crash in UE4Editor_AudioEditor!`FSoundSubmixGraphSchemaAction

This is a common crash occurring in the 4.16 release. This is potentially a continuation of [Link Removed], which was closed out when it received additional logging in 4.16. A log file is attached. ...

[CrashReport] UE4Editor_Renderer!FSceneRenderer::CreateWholeSceneProjectedShadow() [shadowsetup.cpp:1978]

This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred. Source Context 1964 // Determine the amount o ...

Dynamic Delegate with Return Value can't be set with BP Function

[Reverb][Regression] - The Reverb Effect in World Settings Does Not Update When Loading New Levels

When loading a new level via the Open Level node in Blueprints, the World Settings do not update the Applied Reverb Effect. When trying to reproduce the issue in 4.25.4, issue did not occur (the r ...

Virtual Bones Are Not Retained in Retargeted Animation Aim Offsets

Occurs 5/5 times Virtual Bones are not retained in Retargeted Animation Aim Offset. Regression does not occur as UE5 Manny assets are not available for retargeting before UE5.    ...

GPU / D3d Crash while editing Landscapes

From licensee: I've been experiencing consistent GPU crashes when tying to edit landscapes since updating to UE5.1. It seems to be exclusively an issue with DirectX 12 (SM5 & SM6). I have no pro ...

Collision between physicalized actors and instanced static meshes produce warnings.

Collision between an instanced static mesh and a physics simulating actor (with "simulation generates hits events" enabled) results in the following warning: LogChaos: Warning: Collision handler en ...