SeaMonkey 2.13 released

The SeaMonkey project is proud to present SeaMonkey 2.13: 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 2.13 is available in 26 languages, for Windows, Mac OS X and Linux.

Most notably, this release features for the first time:

  • JavaScript responsiveness has been improved through incremental garbage collection
  • CSS3 Animations, Transitions, Transforms and Gradients have been unprefixed
  • MD5 is no longer supported as a hash algorithm in digital signatures
  • The Opus codec is now support by default
  • The reverse CSS3 animation direction has been implemented
  • Per tab reporting is now available in about:memory
  • Fixed several stability issues

For a more complete list of major changes in SeaMonkey 2.13, see the What’s New in SeaMonkey 2.13 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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