Simple operations are quick and intuitive. If you need anything more advanced, a git shell for the current project is just 2 clicks away.
Having all the visual diffs readily available in the client before committing is quite convenient, as is being able to push your branch and open a pull request for it at the press of a button.
I'm hoping issues and PR management is next on the plate. You can open PRs from the client right now, but to review and merge them you'd still need to open a browser.