Unreal Engine Issues

Package fails after adding DesktopPlatform to public module dependency list

Adding DesktopPlatform to the PublicDependencyModuleNames.AddRange() section of the Project.Build.cs file causes the project to fail packaging with the following error (full package logs in callstac ...

Crash in RecreateClothingActors() when using MasterPoseComponent

As part of RecreateClothingActors(), the master pose component is not checked for a valid mesh and therefore when TransformComponent->GetComponentSpaceTransforms() is indexed into, crashes can occur ...

Blueprints from UE4 with dangling delegate reroute node crashes on UE5 load

If a project from UE 4.27 or earlier has a blueprint with a reroute node dangling (no outgoing connection) from a Custom Event Node's delegate pin (red), this blueprint will crash when loaded in UE ...

Android build fails with GPU Lightmass plugin enabled

Packaging for Android fails with the GPU Lightmass plugin enabled. A customer reported this and I was able to successfully repro it, however my callstack was different. I'm attaching my logs and cal ...

Bone names of ~100 characters or longer crash the editor when baking to control rig

This is an issue with inconsistencies over rig names and how control names are generated. We expect that a control name will be appended with _CONTROL or _CURVE_CONTROL. But because URigHierarchy: ...

Crash after Undo and garbage collection on sequencer track

A crash occurs after adding an additional camera track, undoing the additional, and then calling garbage collection Appears to be the same callstack found here [Link Removed] ...

Crash when removing an item from a list view

When removing an item from a list view the editor will crash when trying to update. ...

Crash after deleting Editor Utility Widget and accessing it from Window menu

Crash after deleting Editor Utility Widget and accessing from Window menu ...

WP HLOD Crash on Small Cell Sizes

Crashes after destroying a skeletal mesh attached via socket name (not bone name), the destroyed mesh remains welded.

On welding physics bodies during primitive component attachment, UPrimitiveComponent::WeldToImplementation() calls GetRootWelded() and then GetBodyInstance() on the returned root. This searches by b ...