So what's going to be in #Mastodon 3.3.0? You can read the full changelog here:
https://github.com/tootsuite/mastodon/releases/tag/v3.3.0rc1
Account suspension become reversible, which makes moderation mistakes a lot less catastrophic. You can get notified when someone you follow makes a new post. You can continue watching/listening to something that's playing when you scroll away. Media modals look better. You can block sign-ups from IP ranges. Finally familiar hotkeys in video/audio player. And so on...