Here's a short overview about the changes found in this release:

* Type cleanup: __apt_ppa, __apt_ppa_update_index, __file, 
    __ssh_authorized_key, __timezone, all install types (Steven Armstrong)
* Types: Remove all parameter changing code
* Type __rvm_ruby: Change parameter "default" to be boolean
* Documentation: Web documentation clean up

For more information visit the cdist homepage.