Exactly, there is the flexibility. IF you need to track source of commits together with the permanent branch info you use Mercurial branches, if you want a "sym

Exactly, there is the flexibility. IF you need to track source of commits together with the permanent branch info you use Mercurial branches, if you want a "symlink branches" in GIT style, bookmarks are the way to go. It works nice with Pull requests when you can move branch pointer after rebase or updates of commits.