Commits in jj have both a commit has (which is unstable) and a commit id (which is not). Generally you use the id, not the hash. And yes, everything you can d

Commits in jj have both a commit has (which is unstable) and a commit id (which is not). Generally you use the id, not the hash. And yes, everything you can do with jj you can also do with git. It’s just that most people don’t, because it’s much harder with git, involves rebases and changing hashes, and so on.