Unreal Engine Issues

Denoting a custom data source root for import/export pipeline is not hooked into file path resolution for driving other parts of the UI

Cannot key font material for UMG Widget animations

Media Playback - PNG Image Sequence Crashes Editor

The attached 105 frame PNG image sequence ( 1920x1080 w/alpha ) crashes the editor in UE 5.3 and 5.4 when played in the media player or in a MediaPlate.   The same image sequence does not crash the ...

Quixel Bridge opens as a blank window when opening through the UE Main toolbar on Intel Mac

Regression unconfirmed because this is a new feature. This is not a regression for UE. Tested in //UE5/Release-5.3 CL28051148. Update: When attempting to reproduce on Apple Silicon, Bridge opens ...

Custom Water Body does not work with its own Distance Culing

WaterBodyCustom seems not to work with Distance Culling settings on its own actor, either Draw Distance/Never Distance Cull or Allow Cull Distance Volume.  It only can be controlled by the CullingD ...

User Defined Enums don't support the UseEnumValuesAsMaskValuesInEditor meta specifier

The Make Bitmask node uses the flag index rather than the flag mask value unless the enum has the UseEnumValuesAsMaskValuesInEditor meta specifier. UserDefinedEnums in the editor don't support this ...

IES Texture Icon changes to a gradient bloom once assigned

This is not a regression. Tested in //UE5/Release-5.2 CL26001984 After assigning an IES Profile to a light the icon for that profile updates to a gradient bloom preventing the profile from being pr ...

Deadlock in UPhysicalAnimationComponent::UpdatePhysicsEngineImp

Deadlock in Chaos during PIE; the main thread is in USkeletalMeshComponent::HandleExistingParallelEvaluationTask waiting for a task to complete, and a worker thread is running that task and is in US ...

Camera set to Projection Mode Orthographic doesn't appear to be rendering Sky Atmosphere

This is a regression. Tested in //UE5/Release-5.2 CL26001984 It appears Sky Atmosphere isn't rendered by a camera with projection mode set to Orthographic. ...

Free physics constraints between two objects of differing size causes smaller object to jitter

A cube constrained to a physics actor will start to jitter uncontrollably when interacted with. (see attached media and repro steps for more details) Tested in the following //UE5-Release-5.3-CL ...