Other than the bug fixes, new features include the ability to specify roles and placing snippet information in code instead of the DB.
Changes since 7.x-1.1:
Drupal 7 dev branch
First tagged Drupal 7.x release. Thanks to nouriassafi (https://drupal.org/user/690302) for the bulk of the migration work (https://drupal.org/node/1224036#comment-5915868 / http://drupal.org/sandbox/nouriassafi/1547098)
Fixed some minor on-release bugs & typos, etc...
Initial 1.0 release of Add To Head
Drupal 6 Dev release