My knowledge here is limited so I apologise if I’m not being helpful, but at least in case of Arch there’s a special kernel flag (amdgpu.performancemask iirc) to allow OC of your graphics card, are you passing one in your setup?

Have you tried using CoreCtrl instead?

“Optical Media Bad”

OnlyOffice exists on Flatpak too

It’s on the “extra” repo

Recent Python 3.13 update broke the ProtonVPN client

Yes

Which variant of it, if I may?

I really hope Proton 10 will have some sort of Wayland support, even if it would be hidden behind an environmental variable