The builds will also fall into 3 versions.
- Releases - Releases are based on versions of Firefox released by Mozilla. The current release is 2.0.0.3.
- Branch - The branch is where minor fixes and security enhancements are worked on. The current branch is 1.8.1 (2.0.0.5 pre) witch will become the 2.0.0.5 version upon release. The code in the branch while not quite ready for release has had more testing done to it and is much more stable than the trunk.
- Trunk - This is where development for Firefox 3 is being done. Its development name is Minefield to give you an idea of how stable it is. It is on the cutting edge and should be expected to have bugs.