To be fair, Fedora switching to something as default isn’t a good sign that you should start using it. I do agree, though, btrfs has come far enough to be a default choice for most people.

If you’re willing to go the extra mile for OpenStack, I suggest you check out OKD and its virtualization operator. It’s much easier to install and maintain, too

Are you talking about 2FA login for your own user account or U2F/PIV/WebAuthn in your browser? The latter seems to work out of the box on any non-snap or flatpak browser, but the former needs a bit more setup as that is not a standard feature in Ubuntu yet. I recommend using ykman and yubico-piv-tool for configuring yubikeys in linux, but Yubico also provides a GUI application on their website

It’s more likely that your vendor doesn’t push updates for your mobo to LVFS