¿Tagged branch development support in Pharo/Moose?

> Hi,
>
> I wonder if there is something like fossil tagged branches and some
> visual clues to know to which branch commit and how to do merges. See
> for example at:
>
> http://fossil-scm.org/index.html/timeline?y=ci
>
> I have read the PBE2 book on monticello development and is easy to go to
> a previous version, made some changes and then merge from there, but
> seems not much "elegant". I would expect something like the possibility
> to commit to a particular branch with a particular name o create one if
> none is named like that, in a similar way to fossil. Also I would expect
> some tree-like visualization of the branches, commits and merges.
>
> There is something that can support this development workflow?
>
> Thanks,
>
> Offray
>
>