- HEAD - Experimental.
- STABLE - Tested code merged from HEAD, must compile.
- Branch 0.6 and code freeze, bugfix, and then tag 0.6-release.
- Development can continue on the STABLE branch for the 0.7-release.
- Bugfixes for 0.6.x point releases go into the 0.6 branch.
- 0.6.1-release gets tagged from 0.6