Unreal Engine Issues

Substrate- black outline appears when using sharp contrast mask to blend slabs

Substrate materials have a thin border of black pixels between slabs. These lines can be made more apparent by changing the Diffuse Albedo color of the two slabs to pure white. This will remove the ...

MP4 file causing export hang

There is something specific to this MP4 file that prevents media from being exported. When it is included in a project file, Twinmotion sticks on 'Estimated time left computing' on export and must b ...

GPU crash dump triggered with Intel H/HX processors

Some users have recently reported 'GPU crash dump Triggered' crashes launching, importing, or performing simple actions. Communicating with one user, general GPU TS has not helped(check for OS/drive ...

Crumbling Geometry Collections do not render for one frame when child clusters crumble

Crumbling Geometry collection do not render for one frame when child clusters crumble. In the repro project a 4 particle GC is told to crumble. The single GeometryCollectionActor is then split into ...

LidarPointCloud plugin causes crash on startup in packaged game on Mac

Placed AnimGetter nodes don't update their name even though their reference is renamed

Some animation node such as State Weight and Get Relevant Anim Time Remaining contains state name within in parentheses. But already-placed node does not update their name even thought the reference ...

Material Graph Editor crash when changing the value of a node entering a reentrant expression

It is possible to cause an editor crash when changing a the value of a node involved with a reentrant expression. See the steps to reproduce for more information. Specifically, the crash occurs whe ...

FBX exporter does not support Level instances

Setting AnimationMode to "UseAnimationAsset" inside Sequencer might not be set properly.

Adding a new key inside a LevelSequence that changes the AnimationMode of a SkeletalMesh to "Use Animation Asset" can bug out the AnimationMode constantly change between "UseCustomMode" and "UseAnim ...

Crash when an empty Anim Composite is attached to a Mesh component of a BP actor in a Level Sequence

There is a crash that will occur when an empty Anim composite asset is being referenced in the Mesh component attached to a BP actor within a level sequence. Crash also occurs in Live 5.4.4 - not a ...