Unreal Engine Issues

Shader Complexity shows checkerboard screen in Android ES 3.1 render

Changing the view mode to Shader Complexity while in Android ES 3.1 preview render will show a black and grey checkerboard in the viewport.  This does not happen in UE 4.27 ...

Screen Space Reflections have a visible lag on opaque materials compared to transparent/additive materials.

Screen Space Reflections have a visible lag on opaque materials compared to transparent/additive materials. See [Link Removed] ...

Nanite enabled Foliage stays visible when Foliage is set to Hide All

Nanite enabled Foliage stays visible when Foliage is set to Hide All. ...

Roughness map detail is lost in shadowed areas with Lumen enabled

Imported FBX or USD tree - visually missing geometry when converted to Nanite

When the static mesh tree (brought in thru USD/FBX) is converted to Nanite - the tree thins, or rather visually thins - the thinner branches and/or leaves do not render in the viewport and go missin ...

Crash occurs when creating a New Level from the Levels window while it is pinned to the side bar

An assertion occurs when creating a New Level from the Levels window while it is pinned to the side bar. ...

FPS drop (present time increase) when moving the editor windows to secondary screens

The licensee has mentioned that they also see an FPS drop without a second monitor, so this can happen just by separating windows out on the same screen. ...

The indirect lighting is black on mobile with sublevels

CollisionEvent and other events during ChaosCaching do not occur

References to external actors are not removed when a data layer is deleted

Data layers still contain references to external actors when they are deleted. ...