A bunch of them have been merged here:
https://github.com/discourse/discourse/pull/24840
https://github.com/discourse/discourse/pull/24864
https://github.com/discourse/discourse/pull/24866
https://github.com/discourse/discourse/pull/24891
https://github.com/discourse/discourse/pull/24893
https://github.com/discourse/discourse/pull/24894