The Mozilla Thunderbird e-mail, RSS and newsgroup client did get a major upgrade to version 3.0.

 

Based on the Gecko 1.9.1.5 platform, Thunderbird 3.0 for Linux is more stable, faster,  and consumes less RAM.

Release notes:

• Advanced filtering for search results (by tag, people, attachments, mailing list or folder)

• Global search field (with autocomplete function)

• New e-mail account setup wizard (with automatic detection of the mail server and its capabilities)

• Revamped mail toolbar (includes Global Search)

• Tabs for e-mails (messages are opened in tabs now)

• Smart folders (Unique Inbox and Trash folders for multiple e-mail accounts)

• Summary view of grouped items (when selecting multiple items from a folder, Thunderbird display a few lines for each one)

• Column headings

• E-mail archiving system

• Activity manager (records the intercommunication between Thunderbird and your mail provider)

• Brand-new Add-ons manager (like the one in Firefox)

• Brand-new Preferences dialog (like the one in Firefox)

• Better address book (with contact photo and birthdays reminder)

• Better GMail integration (with better support for non-English versions)

• IMAP e-mail synchronizer (messages are downloaded by default in background for offline use and faster access).

 

You can download Mozilla Thunderbird 3.0 for Linux here.