A friendly powerful distributed version control system
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It is quick to learn, you don't need to memorize lot of commands to do your job.
Pro Full support for renaming
Renaming of a file is fully supported, not a hack like removing a file and adding back under another name...
Bazaar have been more or less abandoned by Canonical.
v. 2.6 has been released in August 2013 and branch 2.7 seems stalled.