I had no problems on Nobara, also running wayland and have no problems on arch.
For nvidia i have nvidia, nvidia-utils and nvidia-settings packages, DRM KMS and nvidia “experimental” settings for suspend, hibernate and preserve memory enabled.
For KDE i have plasma-meta and plasma-wayland-session.
HW is Two mixed refreshrate monitors (144 and 60Hz) on 1080p, GTX1660 and ryzen 5 3600.