The Rumbling Edge

Crashes:

• Fixed: 349576 - Crash on editing filters
• Fixed: 350179 - crash while loading headers for an IMAP folder

Filter-related:

• Fixed: 350336 - In <searchWidgets.xml>, Strict "Warning: assignment to undeclared variable gPicker"

Functionality:

• Fixed: 358121 - Phishing detector throws an error and quits early when opening a .eml message

Networking:

• Fixed: 156347 - Mozilla does not set or recognize the \Draft flag on IMAP messages

UI improvements:

• Fixed: 353906 - Modernize mail's registry code to implement toolkit's nsIShellService
• Fixed: 356237 - Multiple 3-pane windows bring up the default client dialog
• Fixed: 357840 - "Grouped by Sort" display broken after searching - no twisties on group headers
• Fixed: 358138 - IMAP displaying ghost folders on startup

Mac-specific:

• Fixed: 353841 - Add a ".Mac" account type on Mac systems

Outstanding bugs: (18)

• Since 16 Dec 03: 228675 - Limit growth of junk token store
• Since 12 May 04: 243430 - Improving the chi-square spam detection method
• Since 17 Mar 05: 286655 - deleting or detaching attachment from IMAP message duplicates the message temporarily
• Since 29 Mar 05: 288172 - closing standalone mail window of RSS item while still loading causes crash
• Since 29 Oct 05: 314297 - deleting one attachment from a locally stored message deletes multiple attachments
• Since 04 Nov 05: 315091 - Thunderbird crashes when using filter to forward mail
• Since 24 Jan 06: 324606 - Thunderbird hangs on Return Receipt Notification on some SPAM-Mails on IMAP-Accounts
• Since 14 Mar 06: 330507 - Crash when clearing a quick search during a LDAP search.
• Since 24 May 06: 339115 - save as file stopped working on IMAP
• Since 20 Jun 06: 342154 - No more confirmation dialog of attachment correctly saved if attachment file type listed as "save to disk" and "save without asking" option is checked
• Since 07 Jul 06: 343901 - cannot install dictionaries in thunderbird since bug 216382 landed
• Since 12 Jul 06: 344433 - Thunderbird needs to use a new set of APIs to claim defaults in windows Vista
• Since 28 Jul 06: 346332 - does no longer offer to open application/octet-stream attachments
• Since 17 Aug 06: 349073 - address book comes up empty
• Since 11 Sep 06: 352163 - spam not moved to Junk folder automatically
• Since 12 Sep 06: 352370 - For TB2 release, upgrade langpack maxVersion to 2.0.0.*
• Since 29 Sep 06: 354896 - Thunderbird Vista Compatibility Tracking Bug
• Since 19 Oct 06: 357321 - don't blindly trust address book recipients when loading remote content

Official Windows, Official Windows installer (discussion)

Official Linux (i686)

Official Mac (Universal binary)