I’m pretty sure they already do. The articles states China did not have to contribute before, as they were still a developing nation. Now they are in a position where they can pay, so they should, is what Wopke Hoekstra seems to be arguing.
Yes, though it’s still a pre-release. https://codeberg.org/Bazsalanszky/Infinity-For-Lemmy/releases
I just looked them up. They look pretty cool.