The 1.2 series, compatible with bzr 2.5.
2.0 release series, which will introduce a new mapping format.
1.1 release series
The 1.0 release series!
The 0.6 series, introducing a new mapping format.
0.5 release series. Uses mapping version 4.
0.4 release series. Will focus on getting variable root file ids.
0.3 release series.
0.2 release
Initial release. This is the release series that went into Ubuntu Edgy.