Unreal Engine Issues

Imported Maya animation seems to be 1-frame off in Unreal

A licensee reported this issue on UDN. They are seeing a discrepancy with animations imported from Maya. In this case, they appear to be off by 1-frame. We've talked about this on Slack and I know ...

Live Link Pose node silently fails in Standalone mode due to incorrect Module type

LiveLinkEditor Module is flagged as "Editor" and not "Developer" causing the Anim Node "Live Link Pose" to silently fail in Standalone mode. The node works correctly in PIE and in packaged builds. ...

Crash when enabling Level of Detail Coloration viewmodes in the Dataprep editor while using DX12

Crash when enabling Level of Detail Coloration viewmodes in the Dataprep editor while using DX12 This crash does not occur when the project is opened with DX11. Note that the Dataprep editor does ...

Changed Constraints do not show up when enabling Show Only Modified Properties

This is not a regression. Tested in //UE5/Release-5.0 CL20979098 Changed Constraints on a Static Mesh do not show up when enabling Show Only Modified Properties. ...

Imported animation has one more frame than the original fbx

In UE4.12, imported animation has one more frame than the expected frame number. AS_AN_StepAnim_Test.fbx is 60 frame long animation(starts at frame 0, ends at frame 60). When imported to UE4.12, it ...

If Skel Mesh Material Element order changes, Cloth assignments stay in the same order

If Skel Mesh Material Element order changes, Clothing assignments stay in the same order. I don't know if there's a way for the editor to interpret the material assignments on import, but this can ...

[Legacy][FBX] Animation curves are not added to the skeleton anymore

[AI] Navmesh tiles on different layers get removed while streaming out in WP Dynamic Modifiers Only navmesh

 Streaming out the navmesh and streaming the area back into the world before the GC runs causes the navmesh streamed back into the world to only have navmesh tiles on a layer with tiles that would b ...

Inconsistent media texture new style output state across the engine

A simple search for `NewStyleOutput = true` will reveal the many instances where this flag is already forced on, including media plates and media bundles. This however means that we have incompatib ...

[AI] Fill Collision Underneath for Navmesh does not work for ISM instances

Although the ISM component allows for enabling the flag for Fill Collision Underneath for Navmesh, it does not add the modifier for this to the navigation data for its instances.  ...