2.2.0

The "Easter Bunny" release. Many improvements throughout, in particular to the component engine. First official version to build on Windows.

2.1.7

Another interim release to fix bugs and sort out the build process on new distros.

2.1.6

Interim release to get a number of bug fixes out to everyone, and to use as basis for binary packages for several new distributions (see http://cadabra.science/downloads.html).

2.1.5

Interim release with as its main feature the map_sympy command which makes it much easier to apply sympy algorithms to component expressions.