Unreal Engine Issues

Combo triggers do not fire the "Completed" event

Wrong shadows in VirtualTextures after rotations

Mesh Vertex Painting Broken for Splines

The mesh painting mode appears to no longer work on splines, as the vertexes seem to have all vertex colors at 1, 1, 1, 1 by default, and can't be removed or painted anything else. ...

FComponentReference loses its actor reference when the target actor is reinstanced

The "OtherActor" pointer in an FComponentReference is invalidated when the referenced actor is reinstanced after compilation. ...

Reimporting static mesh doesn't respect changed lightmap settings

Licensee reports change of behaviour between UE4 and UE5 when reimporting a mesh after changing its lightmap build settings. Change of behaviour occurred in 17404767, which was to fix a similar pro ...

Nanite flag is set to Enable for all static mesh materials when Nanite Tools is opened

The expected result is that the Used with Nanite flag is enabled when Nanite is enabled in Nanite Tools. Currently, opening Nanite Tools enabled the flag even for non-Nanite meshes. ...

Editor becomes unresponsive/freezes when a Geometry Collection is destroyed by a Hit Event while simulating

This is a regression. Tested in //UE5/Release-5.1 CL23901901 When a geometry collection is destroyed by an On Hit event the editor becomes unresponsive and never recovers. No crash is generated. ...

TSR ghosting with fast moving shadows

[Link Removed]  ...

Replicated components spawned by CreateComponentOnInstance are broken by object reuse

When the gameplay framework component manager creates components as part of CreateComponentOnInstance, it passes in the requested class name as the literal name of the component instead of using the ...

XR Planar Reflections lag behind VR headset movement

Planar Reflections lag behind VR headset movement [Link Removed] Reporting that reflection captures lag because they happen before late update is applied. Includes an experimental patch that fi ...