UNREAL ENGINE 5.4 EXTREMELY BAD PERFORMANCE

Virtual shadow maps still gives me worse performance at my scene.

I’ve Nanite enabled. I’m not rendering any nanite meshes at that spot… yet it ruins the performance. Using:
ShadowMaps
r.shadow.nanite 0

…significant improves performance (and the scene looks identical as there where no nanite visible). But I’m pretty sure it would look worse if I choose to get some nanite meshes in place somewhere. It feels a bit like getting a mess combining default-meshes with nanite. Even if you are using it rare and leave it enabled for compatibilty reasons (e.g. if you buy some nanite stuff from market place), it has a huge impact in 5.4.1 to enable it.