A full listing of new features is available in the release notes.
New Features and Fixes wrote:General
* ChatZilla has been updated to a newer version (Bug 324439)
* [Mac] Menus and menu popups use more native styling (Bug 301105)
* [Linux] When launching SeaMonkey, already-running instances are detected (Bug 122698)
Browser
* When you visit a secure site, the URL bar changes color to turns make security status more visible (Bug 335113)
* When using keyword URLs, it is no longer necessary to type "keyword:" (typing "keyword:" will no longer work). Just type the keyword name (Bug 337339)
* You can now drop URLs and bookmarks between existing tabs, which will result in a new tab being created where you dropped the URL (Bug 324591)
* When hovering on a tab, the tooltip now displays a preview of the tab's contents (Bug 315207)
* The search sidebar now behaves better (Bug 252802)
* The bookmarks menu and personal toolbar folder overflow menu now have context menus (Bug 50504)
Mail & Newsgroups
* Message labelling has been superceded by tagging, which provides much more than the original 5 labels and comes with new preferences (Bug 342560 and others)
* The preferences for junk mail have been modified to accomodate behavior changes (Bug 335846)
* Improved phishing detection (Bug 326082 and others)
* [Linux, Mac] New mail notification has been improved (Bug 327613, 305384, and others)
Downloads:
Windows installer
Windows zipfile
Linux tar.gz
Mac OS X disk image
FTP Directory
UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1b2) Gecko/20060821 SeaMonkey/1.1a



