Improved performance in saved search folders. Updates to the extension system to provide enhanced security and to allow for easier localization of extensions. New combined and improved Add-ons manager for extensions and themes. New Windows installer based on Nullsoft Scriptable Install System. End-of-life 1.5.0.x product lineįirst Thunderbird 2 alpha release. Native support for Intel-based Macintosh computers by shipping universal binary. Second Thunderbird 1.5 release candidate. Improvements to automated update system, website rendering and performance. Stability improvement and security fixes. End-of-life 1.0.x product lineįirst Thunderbird 1.1 alpha release. Improved Privacy Controls, Global Inbox, RSS/ Atom Integration, Improved data migration. Smaller download size, improved IMAP support, updated extension and theme managers. Pinstripe theme for Mac OS X, Windows installer, better junk mail handling, IMAP IDLE and LDAP version 3 support.

Current supported release Thunderbird 102.4.2

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