How to install the Mullvad VPN app in Fedora Atomic Desktop (Kinoite, Silverblue, Bazzite, Aurora, Bluefin etc.)
Enter these commands:
sudo -s
cd /etc/yum.repos.d/
wget https://repository.mullvad.net/rpm/stable/mullvad.repo
rpm-ostree install mullvad-vpn
systemctl reboot
systemctl enable --now mullvad-daemon
Worked great on Bazzite.