Which GitHub features would you consider a blocker for migrating to a different code forge, and in what order do you prioritize them? Context: I am heads down building a code forge ( https://juju.bi ) based on three ideas: Code collaboration part should work offline Should be compatible with GitHub API (like how some services are considered S3 compatible) Support change-id based features (ex: Jujutsu's evolog) I shipped a super-early version that I am currently dogfooding. h...