Still complaining why feature X isn't available in Mastodon and that development is too slow?
Why not put your money where your mouth is and donate to the development? You can do a single donation or join their Patreon.
While you're on it, why not donate to your local instance? Running a server ain't free, even for me who's running a small personal instance from my garage.
Found bugs or have feature requests? Hit the dev team up on GitHub! Developer? Contribute code!