Yes and they apply while the device is off too.

Since you’re on GNOME you can try pop-shell it’s the same tilling GNONE extension PopOS uses and it’s out for GNOME 45 too.

I wouldn’t recommend using Yandex, due to it’s connections with the Russian government. You should check out privacyguides.org they have a lot of cool info about privacy respecting tools. However I also don’t recommend anything Brave. The company was founded by a homophobe who was previously in charge of Mozilla, but left, because of community pressure.