So I've started to use it since that's the way things are going. It's pretty drop-in compatible with how I used to use Github contributions for Gentoo. There are currently 2 downsides I'm facing:

- It's slow for git command-line tasks, despite the site UX being much faster, git operations are really slow compared to Github.

- It doesn't have full feature parity with Github actions. Their CI doesn't run a full pkgcheck I guess, so it's still safer for a new Gentoo contributor to submit PR's to github until that gets addressed.