Unreal Engine Issues

Ensure condition failed: bPlayingBackwards ? (CurrentPosition <= PreviousPosition) : (CurrentPosition >= PreviousPosition)

The problem is caused by the animation sequence playback position being set out of range from Sequencer. The call stack is :  UE4Editor-AnimGraphRuntime.dll!FAnimSequencerInstanceProxy::UpdateAnim ...

AEditorFunctionalTest doesn't show up on Frontend automatically

AEditorFunctionalTest causes assert in WP map

"Assertion failed: Pair != nullptr " when trying to create a basic test with AEditorFunctionalTest in a WP map. ...

Lightmap directionality doesn't work well in UE5

The "Meshes" value of the LLM for dx11 is considerably larger than that for dx12.

We hope that the difference in GraphicsRHI will not cause such a big difference, but we need to make sure that there are no measurement omissions in the case of DX12.  ...

LLM "graphics" in DX12 is always 0

"FVector contains NaN" on packaged builds for Debug configuration

Customer Provided Description:This was experienced in UE 5.01 - custom installed engine (No changes to UE code, simply added the Debug build configuration, see the following command): "c:%ue_dire ...

Crash in point cloud when building collision

From a user report: It happens after I play the game in a new window from the editor. I noticed it may be related to building collisions for a point cloud on runtime: [Link Removed] If I don't bui ...

Some fractured meshes do not retain their original normals after fracture

Fractured meshes with weird Normals/Reflections. You will see weird normals / reflections on the surface, seems each fracture piece has it's own reflection angle. Repro rate: 3/3 Tested this in // ...

Unified source control cancel operation

When switching source control settings from the Source Control button and toolbar, the same operation produces different results. Licensees have requested that the behavior should be consistent. Tw ...