Why replace CVS with Bazaar?
Note: As of January 2012, BZR/Launchpad info for eden is deprecated. Please visit the GitHub page. Thanks.
CVS is old technology which doesn't easily support merging (nor even folder renames)
Merging is a common requirement for Sahana where most development occurs in deployment branches & currently never makes it back to trunk.
It is also relevant to GSoC where merges are done in a very manual, painful process.
Using a Distributed Version Control System can be a great benefit for our Project:
Bzr is simple to use for people familiar with CVS (or SVN) & supports Launchpad:
Bzr is used by Web2Py: