Unreal Engine Issues

USDStage - Issues importing USD prims with single time-sampled attributes

There may be an issue with USD prims with time-sampled attributes - or at least an issue of user expectations.    When importing from a USDStageActor into Unreal, via the USDStage GUI, if prims hav ...

Orientation Warp Node Missing from ABP_Manny BP After TPS C++ Project Restart

Occurs 3/3 times. Orientation Warp plugin is missing from ABP_Manny BP in the TPS C++ project after project restart.  Regression does not occur: Animation Warp plugin is not available in //UE4/Rel ...

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. ...

All Frames Are Not Fully Deleted From Animation Sequence When Attempting to Create an Aim Offset

Occurs 3/3 Times *Regression *does occur: Tested in //UE4/Release-4.27.2 @ CL18319896 and all frames were able to be deleted from the Aim_Space_Hip Animation sequence.  ...

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 ...