SeaMonkey 2.9 released

The SeaMonkey project is proud to present SeaMonkey 2.9: The new major release of the all-in-one Internet suite is available for download now! Building on the same Mozilla platform as the newest Firefox release, it delivers the latest developments in web technologies such as HTML5, hardware acceleration and improved JavaScript speed.

SeaMonkey 2.9 is available in 26 languages, for Windows, Mac OS X and Linux.

Most notably, this release features for the first time:

  • The File and Move Bookmarks dialogs are resizable now
  • HTML5 videos that do not start automatically show a large play button now
  • Add-ons Sync can now be configured without the Add-ons Sync Prefs add-on
  • Pasting a URL from the clipboard into the Download Manager window will download it
  • Plugins can be disabled for the whole suite now in addition to Mail & Newsgroups only
  • View Source now has line numbers
  • Line breaks are now supported in the title attribute
  • Find in Page search results are scrolled into view now
  • The column-fill CSS property has been implemented
  • Support for the text-align-last CSS property has been added
  • Experimental support for ECMAScript 6 Map and Set objects has been implemented
  • Fixed several stability issues

For a more complete list of major changes in SeaMonkey 2.9, see the What’s New in SeaMonkey 2.9 section of the Release Notes, which also contain a list of known issues and answers to frequently asked questions. For a more general overview of the SeaMonkey project (and screen shots!), visit

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One Response to SeaMonkey 2.9 released

  1. Do we have Mozilla infrastructure build machines?
    … what would mean Mozilla contribution is done, rest is SeaMonkey-team’s work.

    Or do we NOT have machines available?

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