Firefox 21 Official Launch is Tomorrow, Desktop’s Version Can be Grabbed Right Now

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Mozilla is going to launch the latest version of its browser Firefox 21 today but the desktop version can be grabbed from the Mozilla’s servers FTP . But if you can wait for its official launch, then keep your browser pointed towards Mozilla.com as the company will be pushing it through automatic updates once Firefox 21 is officially launched.


Although, Firefox 21′s changelog has not been released by the company but the beta release notes can be served as a useful guideline for the new version. Some features are added or removed before the stable version is introduced.

  • NEW: Enhanced three-state UI for Do Not Track (DNT).
  • NEW: Firefox will suggest how to improve your application startup time if needed.
  • NEW: Preliminary implementation of Firefox Health Report (see FAQ).
  • CHANGED: Ability to Restore removed thumbnails on New tab Page.
  • CHANGED: Add-ons History API removals in Places.
  • CHANGED: CSS -moz-user-select:none selection changed to improve compatibility with -webkit-user-select:none (bugs 816298).
  • CHANGED: Graphics related performance improvements (bugs 809821).
  • CHANGED: Removed E4X support from SpiderMonkey.
  • DEVELOPER: Implemented Remote Profiling.
  • DEVELOPER: Integrated, Add-on SDK loader and API libraries into Firefox.
  • HTML5: Added support for <main> element.
  • HTML5: Implemented scoped stylesheets.
  • FIXED: Some function keys may not work when pressed (833719).
  • FIXED: Browsing and Download history clearing needs unification to avoid confusion on clearing download history
    (847627).

There is no news of Firefox 21 for Android platform, but keep on checking Google Play for the updates. The beta changelog is as follows:

  • NEW: Shipping Open Sans and Charis fonts for Web Content.
  • NEW: Ability to save media files on long tap.
  • CHANGED: Polished UI based on Holo theme.
  • CHANGED: CSS -moz-user-select:none selection changed to improve compatibility with -webkit-user-select:none (bugs 816298).
  • CHANGED: Graphics related performance improvements (bug 809821).
  • CHANGED: Removed E4X support from SpiderMonkey.
  • DEVELOPER: Implemented Remote Profiling.
  • DEVELOPER: Integrated, Add-on SDK loader and API libraries into Firefox.
  • DEVELOPER: DOM/content implementation for <input type=’time’> Associated bugs.
  • HTML5: Added support for <main> element.
  • HTML5: Implemented scoped stylesheets.
  • FIXED: Download Manager page is not updated after clearing private data
    (777639).
  • FIXED: In content UI cut off on small screens
    (840593).

We will update you with more information once Firefox 21 will be officially launched by Mozilla along with the updated changelog. In the meantime, if you are a developer, then you may want to check out the developer’s page for Firefox 21.

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