Mastodon plans to eliminate the local timeline and replace that by groups across instances. I believe this would damage the federated structure of Mastodon. Why care to be in the right place if you can be somewhere and join a group. Who is going to keep the group clean? Why should anyone care to run such a fine place as Fosstodon?
If I would have wanted to use Twitter I wouldn't be here.
Why do FOSS projects have this urge to dismantle themselves as soon as they get big?
https://blog.joinmastodon.org/2022/04/official-apps-now-available-for-ios-and-android/