At that point, you don’t really need to worry about it anymore.

Valve has contributed a lot into Proton for the Steam Deck which makes it great for Linux users.

You can block entire communities, you’ll probably have to do it from the site.

Retire

If you think there are few active communities on Lemmy, you may be looking in the wrong place.

It isn’t possible currently. You can create an account on a different instance though.

Uploading pictures hasn’t been implemented into Thunder yet.