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Version 21 of Mozilla Firefox  is now available, with version 20 of the browser released only last month Firefox 20 Introduces Per-Windows Private Browsing, A New Download Manager, & More [Updates] Firefox 20 Introduces Per-Windows Private Browsing, A New Download Manager, & More [Updates] Mozilla has released Firefox 20 for Windows, Mac, Linux, and Android, and it's filled with new features that should bring great joy to users of the popular Web browser. These features include per-window private browsing,... Read More . Included in the latest version is the addition of multiple social providers, enhanced three-state UI for Do Not Track, and plenty of other items. The desktop update is available for Windows, Linux, and OS X. Firefox is also rolling out a gradual update on Google Play for Android users.

The biggest change comes in the form of the social integrations, with Cliqz, Mixi, and MSN Now added to the social mix. The browser first added Facebook integration back in December, and the inclusion of these services goes a long way towards making social integration an even larger part of the services offered.

If you’ve never heard of these services, allow me to explain them for you. Cliqz is designed as a place for users to find articles, stories, and videos based on your interests. Mixi, which is only available in Japan, is a social network. MSN Now is a place for users to find out what kinds of things people are talking about on the Web.

If you want to customize your Do Not Track status, the new version includes a three-state Do Not Track option: don’t track, track, and do nothing The update also includes some improvements to the way the browser handles HTML 5, specifically support for the <main> element and scoped stylesheets.

On Android, the main part of the update comes in the form of custom open source fonts Charis and Open Sans. It also adds the ability to save media files with a long tap, a new Holo interface, and other performance tweaks.

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What’s your favorite feature in Firefox 21?

Source: TheNextWeb

  1. Greg Zeng
    May 16, 2013 at 2:08 pm

    Using FF-v20 but it saves MHT files slower, more complex than Opera. ADSL 2+ speeds for FF & Chrome/Chromium are about 16Mb/s. Opera only does 10 Mb/s.

    When I get fast optical cable, the speed of Opera won't matter, cos I like it better. Chrome, etc will not double-click tab-close, unlike FF &Opera. Chrom... also is clumsier with saving Youtube videos, MHT files.

  2. Chris Marcoe
    May 16, 2013 at 1:49 am

    Yea!!! Firefox. Great article. and yea for new non-tracking things!!!

  3. dragonmouth
    May 15, 2013 at 5:23 pm

    I switched from IE to Firefox to get away from Microsoft. How did they manage to weasel MSN Now into FF???!!!

    I agree with Nevzat, What's with this version of the month garbage? It looks like these new features could have been included in vers.20. At this pace we'll be into triple digit versions before the end of 2014.

  4. Nevzat A
    May 15, 2013 at 4:27 pm

    Unfortunately Firefox became unstable beginning from v20, now I'm having at least a couple of hangs a day :(

    • qox
      May 15, 2013 at 5:56 pm

      Don't blame Firefox before you've tried it without add ons. I've learned that lesson a long time ago and it's been useful ever since.

      • Nevzat A
        May 15, 2013 at 8:14 pm

        Good point actually. I guess I have to try disabling my addons one by one to find the culprit.

  5. michel
    May 15, 2013 at 4:24 pm

    I'm tired of constant new versions. It's not helpful - especially just for obscure "features" I'll never use. It's just annoying. I've turned off updates.

    • Lloyd
      May 15, 2013 at 5:56 pm

      Will this upgrade improve my Shockwave Flash from crashing or my scripts from running slowly? Anyone else with this problem?

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