Unreal Engine Issues

Component deletion on net dormant actors doesn't replicate properly

Deleting a dynamic component on an actor that's currently net dormant doesn't replicate the deletion to clients, even if FlushNetDormancy is called. This is inconsistent with adding components, whic ...

Certain combinations of 'bRenderStatic' and 'bNoSkeletonUpdate' on SkeletalMeshComponent produce undesirable behavior.

Issues observed:  - When bRenderStatic is on and bNoSkeletonUpdate is off, CachedMeshDrawCommands takes a significant chunk of time, because the scene primitive transform is being updated every fra ...

Get D3D12 RHI compiling on strict mode

Implement FindCollisionUV for Landscapes

Issues with ProceduralMeshComponent

Licensee reported issues with ProceduralMeshComponent, which were solved by changing the plugin loading phase from Default to PreDefault. Also reports unspecified issues with running game builds. ...

Instanced static meshes fire an erroneous performance assert about loose parameters.

 "This ensure is intended to catch regressions where rendering programmers add a loose parameter to LocalVertexFactory, breaking dynamic instancing on regular static meshes.  InstancedStaticMeshes c ...

Can't add a subsequence binding for a camera cut through sequencer scripting

HLOD CalculateOverlap crashes when spheres barely overlap

The engine will crash when cluster bounds barely overlap. ...

HDRI Backdrop Actor not working on mobile

The new HDRI Backdrop actor does not appear to be functioning on mobile. ...

Crash opening FaceARSample on iOS

FaceARSample is crashing as soon as it is opened on iOS. Tested on a iPhoneXS 12.4.  Regression: Yes I was able to get FaceARSample on the same device the previous release 4.22. ...