Virtual Scouting Interactor / VR Scouting Tools Menus appear Black when using real-world lighting values (i.e. 70k lux)

UE - Virtual Production - Tools - VR Scouting - Sep 27, 2021

The Virtual Scouting tools appear black in scenes using real-world physical lighting values due to their UI Material Domain since they do not have an emissive channel and do not accommodate viewport ...

Pasting an element into a Widget Blueprint hierarchy causes a crash

UE - Editor - UI Systems - Sep 23, 2021

Pasting an element into a Widget Blueprint after removing the canvas panel will result in a crash.  This has been tested with the border and button elements. This issue is occurring in //UE5/Releas ...

Ray traced GI denoiser blotches/artefacts

UE - Rendering - Lumen - Sep 15, 2021

See licensee description of the issue for more info. Issue did not occur in 4.25. ...

Switching LOD while using Evaluation Mode = Freeze in custom transit graph fails

UE - Anim - Runtime - Sep 14, 2021

If a user setups up a custom transition graph that caches one of the input poses by setting the Evaluator Mode property to Freeze then the node fails to deal with the situation where the LOD or mesh ...

HiResScreenshot has incorrect masking when screenshot resolution scale does not match the viewport.

UE - Rendering - RHI - Sep 6, 2021

After a bit of investigation, the way to fix this would be to modify MergeMaskIntoAlpha to pass in the actual resolution scale and the requested size, and only mask the overlapping pixels. Currently ...

Splitscreen View2 influences translucency in view 1

UE - Rendering - Sep 2, 2021

The videos + screenshots in the zip file show the issue on the modified gun sight. The licensee has provided a suggested fix here -[Link Removed] ...

>1ms increase in frame time with showflag.translucency , despite minimal translucency in the scene

Rendering - Sep 2, 2021

Licensee reports this change, and can confirm a very rough similarity observed in a template project in 4.27: [Image Removed] ...