Unreal Engine Issues

Editor crashes after executing the command r.DisplayInternals 1 or r.DisplayInternals = 1

This is not a regression. Tested in //UE5/Release-5.0 CL22346211 Editor crashes with an assertion after executing the command r.DisplayInternals 1 or r.DisplayInternals = 1 ...

Shader Complexity viewmode is not displayed correctly in the material editor.

Floor is correctly displaying Shader Complexity. ...

Server using -useperfthreads command line causes crash if rendering thread is required for function execution

Auto-creation of SmartObjectCollection is often undesired

Right now whenever a new world is created in the editor we automatically spawn a SmartObjectCollection actor for it, regardless of whether there are SmartObjects on the map. The SmartObjectCollectio ...

Fbx scene importer: memory corruption

Material Editor: Highlight/Isolate should warn user when using Nanite Mesh

Editor should visually warn the user that this feature doesn't work with Nanite, or that the Nanite Preview mesh needs to be enabled (or forcibly enable it when they attempt to use this option), oth ...

[MetaSounds] - Inputs, Outputs, and Variables are not allowing spaces in the member name

UE does not allow to have spacing for array in MetaSound PatchThis occurs in MetaSound Source as well Regression checked and occurs on //UE5/Release-5.1 @ CL 22805038 - P4V Repro Rate : 4/4 ...

Building Packed Level Actors causes references to break in the Packed level Actors' Blueprints

This is not a regression. Tested in //UE5/Release-5.0 CL 20979098 Building Packed Level Actors causes references to break in the Packed level Actors' Blueprints. Rerunning the Build > Pack Level Ac ...

Mirror Data Table is NOT added SyncMarker automatically when creating

Mirror Data Table is added rows about Bone, Curve, Notify when creating. But SyncMarker is ignored. The following codes can fix this issue. Engine/Source/Runtime/Engine/Private/Animation/MirrorDa ...

Clear FileItem cache when deleting files to prevent stale cached data

Should be straightforward, the UDN that reported this deletes all files using the FileItem interface so they can clear out the entry from the cache dictionary but there may be a way to just invalida ...