Unreal Engine Issues

Missing API for nDisplay custom data share

Burn ins are not composited onto media renders using the MRQ

In 5.1 media exports will not have the burn in composited onto them.  ...

Switchboard Unable to Launch Multi-User Slate Server in Launcher Builds

Switchboard is unable to launch the Multi-User Slate Server in launcher builds.  This is because the default install location has "Program Files and "Epic Games" in the path (aka folders with spaces ...

MoviePipeline: HighRes Tiling feature crashes at high resolutions

If you run with -rdgimmediate -onethread you can get the callstack that indicates that MRQ is still attempting to allocate the full sized texture and not the individual tile size. ...

Assertion when using multiple material layer instances in a landscape material

Only exactly matching structures are considered compatible

in UE 5.0.2 open TestActor Blueprint compile correct.  but in UE 5.1 Blueprint Compile not correct ...

Content Browser filters don't save their state

Content Browser filters don't save their state anymore. This is a regression from 5.0 ...

Panorama plugin for Movie Render Queue renders black images

Regression: Tested in UE5/Release-5.0, and the issue does not occur, so regression is yes This issue also occurs when you set "Enable alpha channel support in post processing (experimental)" to "Al ...

Trace to complex collision returns incorrect PhysicalMaterial

In ConvertQueryImpactHitImp, MaterialIndex is looked up from InternalFaceIndex, but FTriangleMeshImplicitObject:: MaterialIndices is an array by ExternalFaceIndex, so it returns incorrect material i ...

C# UHT fails to recognize delegates declared in another class's namespace

Repro Rate: 3/3 This issue occurs in the live build //UE5/Release-5.1 at CL 23058290. This issue has also been regression tested against //UE5/Release-5.0 at CL 20979098 and is confirmed to be a r ...