@wezm I'm trying to use it right now, hardly usable at all. (At least on macOS that is.) Nothing beats a native client, which is in dire need for Mastodon.
I could name a gazillion things why any web-user-in-the-face is the worst user experience possible. I'm not allowed to code, so I can't write a good client myself sadly.
To conclude with something positive, it's better than being forced to quitting your client with your browser. That's something! (I'm picky with UI/UX things, for reasons.)