This is a preview release, the api for the new features is not finalized. This early release gives other developers to offer suggestions on the final form of those features.

Most notable additions:

* Og many_to_many relations with auto generation of the join table.
* Og has_one relation.
* PHP-style nested output buffering.
* Rails-style Filters.
* autoreload services.
* complile time evaluation of ruby code in templates.
* improved pager ui.
* initial version of FormBuilder.
* initial version of new_app wizard.
* Improved Blog example.

and... the nitro logo :)