Pretty sure this is way too late of an answer, but in the spirit of participating in a fledgling community:
It actually feels really nice and unless you were really, really familiar with how everything was spaced, you could forget you were on Nobara.
The only exception I have noticed (but may not be unique to Nobara) is that for some reason I cannot use my ethernet connection for internet, my network only works with WiFi. It was working on SteamOS. I decided to wipe my deck and put Nobara, and I am having that issue. It's actually why I went onto this community, because I haven't been able to figure out how to fix it.