BZFlag 2.0.9 is an unreleased development branch of BZFlag. It is an extension of the source code released with version BZFlag 2.0.8 of the game. It contains minor bug fixes and patches mostly relating to BZFS and the BZFS API. This code base is only available from the SVN repository.
A commit list of the things that make this release to the time of writing is: CommitList-2.0.9
A long time there were no plans to release a BZFlag 2.0.10 version of BZFlag. Due to a lot of changes and bug fixes, there is currently a schedule for BZFlag 2.0.10, more info about it at BZFlag 2.0.10 page.
Development on new features has proceeded in BZFlag 2.2