- The latest stable version of Quixote is version 2.6 (2.6 sig), released 2008-12-13.
- The latest version of the 1.x series is Quixote is version 1.3, released 2008-08-21.
- The latest test version of Quixote is version 2.7b2 (2.7b2 sig), released 2010-01-22.