Release Notes: This release candidate has received QA testing, and should be considerably more stable than the development releases before it. It is still not considered fully stable, and so you should understand that if you use it, you use it at your own risk. It includes Release Notes and a listing of New Features.
Release Notes: This unstable development release contains one security fix and several new features.
Release Notes: This release candidate should be stable enough for production use. New features include simple bug filing, a new home page, hiding of email addresses from logged-out users, shorter search URLs, asynchronous email sending, display of dates and times in the user's time zone, custom fields that only appear when another field has a particular value, custom fields whose list of values change depending on the value of another field, the new custom bug ID field type, the "see also" field, the ability to reorder columns in search results, and search descriptions.
Release Notes: This is a feature-complete preview release for Bugzilla 3.4. Changes include a new home page, a new bug reporting form, the ability to login from every page, various other UI enhancements, and lots of other minor enhancements. This release is still unstable and not recommended for production use.