Since mime 1.6.0:

  warning: MIME.valid?/1 is deprecated. Use MIME.extensions(type) != [] instead

As for the bitstring(type) part it's because MIME.extensions only expects a string.
https://github.com/elixir-plug/mime/issues/43

Rename the non-federating Chat feature to Shout

See merge request !2842

Skip CI/CD automatically under certain conditions

See merge request !3439

Update docs/description for allow_relay

See merge request !3438

Recompilation speedup: Avoid `use Phoenix.Swoosh` to prevent recompiling the Endpoint

See merge request !3436

Speeds up recompilation by fixing cycles in UserEmail

Recompilation speedup: Remove deps from Streaming/Persisting behaviors

See merge request !3434

Recompilation speedup: Remove deps from Uploader behaviour

See merge request !3435

There is no sane / high level workaround for merging users who join shout:public and chat:public.

Speeds up recompilation by limiting compile-time deps

Speeds up recompilation by limiting compile-time deps

Legacy PleromaFE uses this to identify if ShoutBox is available.