The first release in the v2.2 series (v2.2.0) introduced an overhaul of Cheetah’s string handling to convert everything internally to use unicode() objects instead of encoded string buffers.
The subsequent releases in the v2.2 series are planned to have a number of important upgrades to Cheetah’s infrastructure:
still in planning
The third major series in the Cheetah 2 line of releases will have one focal point, performance
still in planning
Cheetah 3000 will be the seminal milestone for running Cheetah on Python 3.0