Vertex Interpolator causes depth-test to fail

UE - Rendering - Apr 23, 2020

Vertex interpolator (semi-randomly) causes visual artifacts on meshes. This did not happen initially when using or creating this material function but started about 24 hours later but now happens st ...

Bounds location of apex destructible mesh will not be updated when added to sequencer directly from content browser

UE - Simulation - Physics - Destruction - Apr 22, 2020

Destructible mesh's location will not be updated when added to sequencer directly from content browser, unless two different locations are keyed on the transform track of the mesh. We found the bug ...

No shadow cast after Static Mesh Editor material assignment

UE - Editor - Datasmith - Importer - Apr 21, 2020

This is a Rhino file. Shadows are not cast on the Static Mesh after materials are assigned in the Static Mesh Editor. This was reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4. ...

Exporting a UE4 Animation into Maya results in wrong skin weight

UE - Editor - Datasmith - Importer - Apr 21, 2020

UE4 Mannequin animations are not exporting/importing correctly into Maya. The right hand is bulkier and the left shoulder is dislocated. This was reported and tested in 4.23.1 (CL-9631420). this w ...

IsReplicationPausedForConnection is never called

UE - Networking - Apr 20, 2020

AActor.IsReplicationPausedForConnection is never called. ...

Depth Not Rendered Correctly When Using CustomProjectionMatrix in SceneCaptureComponent2D

UE - Rendering - Apr 15, 2020

The depth is rendered incorrectly when using a custom projection matrix in SceneCaptureComponent2D. You can find an example project at [Link Removed]. You can find where the CustomProjectionMatrix ...

Niagara Sphere Location module ignores Coordinate Space setting in its Offset

UE - Rendering - Niagara - Apr 14, 2020

Niagara Sphere Location module ignores Coordinate Space setting in its Offset. Tested in: 4.24.3 CL#11590370, 4.25P6 CL#12611535, 4.26 CL#12767035 *Attached is the users workaround and video d ...

Thumbnails do not display shadows after opening and saving the asset

UE - Rendering - Lumen - Apr 14, 2020

Shadows in an asset's thumbnail disappear after opening and saving the asset, whether changes are made or not.  Tested: 4.24.3 CL#11590370, 4.25P6 CL#12493028, 4.26 CL#12767035 ...

Crash while trying to import a C4D file with Animation via Datasmith

UE - Editor - Datasmith - Importer - Apr 10, 2020

The file was originally created by Mixamo and saved as FBX. It was resaved it in C4D with the Save for Cineware Option. Importing it into the Editor causes it to crash. This was tested and reported ...

Crash in Anim Budget Allocator when adding fifth budgeted component to the scene in packaged builds when Niagara is enabled

OLD - Anim - Apr 9, 2020

The setup is fairly simple: Each time the button is pressed, we spawn an actor with a USkeletalMeshComponentBudgeted component whose skeletal mesh is DefaultSkeletalMesh. When the fifth actor is ad ...