The critical bug causes taxonomy term-based RSS feeds to be empty. I apologize for the inconvenience this has caused.
Upgrading your existing Drupal sites is recommended.
There are no new features in these installments. For more information about the Drupal 4.7.x release series, please consult the Drupal 4.7.0 release announcement. For more information about the Drupal 5.x release series, consult the Drupal 5.0 release announcement.
The full list of changes between the 4.7.9 and 4.7.10 releases can be found by reading the 4.7.10 release notes. A complete list of all bug fixes in the stable DRUPAL-4-7 branch can be found at http://drupal.org/project/cvs/3060/?branch=DRUPAL-4-7.
The full list of changes in between the 5.4 and 5.5 releases can be found by reading the 5.5 release notes. A complete list of all bug fixes in the stable DRUPAL-5 branch can be found at http://drupal.org/project/cvs/3060/?branch=DRUPAL-5.