Firefox 13.0.1 Released

Martin Brinkmann
Jun 16, 2012
Updated • Jun 16, 2012

Mozilla has just released a new version of Firefox stable, bringing the version of the browser to 13.0.1 for all supported operating systems. The release notes list both the changes that Mozilla made in Firefox 13 and the three bug fixes in the Firefox 13.0.1 release, which had been released two weeks earlier.

If you have been using Firefox recently you may have noticed that a Flash upgrade has caused serious crash and freezing issues for some users, which the new version unfortunately does not address completely.

When you look at the bug fixes, you will notice that one addresses a Flash 11.3 issue. According to the fix, Flash 11.3 sometimes caused the web browser to crash on exit. This fix obviously does not address other issues that Firefox users may experience with Flash 11.3 installed in the browser. Both Mozilla and Adobe seem to still be working on fixes for the issues that have been caused by the Adobe Flash 11.3 upgrade. For now, Firefox users can use workarounds which we have posted in the article linked above.

firefox 13.0.1

The second bug fix addresses issues in Hotmail, where Firefox did not auto-update the service's inbox, did not update the unread email count in the title bar, and where Windows Messenger did not load anymore. The issue has been fixed by Mozilla, and Hotmail users should be able to make use of the site's functionality again.

The third and final bug fix addresses an issue for Hebrew users who noticed that text got rendered incorrectly at times.

Firefox 13.0.1 Download

Firefox 13.0.1 is already available for download at the official Mozilla website. Existing Firefox users should see update notifications in the browser once they start it up the next time. It is recommended to update as soon as possible, especially if Firefox is affected by any of the three bugs.


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  1. steve said on June 28, 2012 at 3:01 pm

    I have 13.0.1 and I still can’t watch funny cats on youtube :( no videos of cats on the internet makes me sad. But yes flash for me is still an issue

  2. rahil said on June 28, 2012 at 8:43 am

    This is very disappointing . Firefox 13.01 just hangs and takes forever to load a page. The only fix that worked for me though was when i disable java scripting all problems went away ? Anyone else experience this ?

  3. Angry Guy said on June 27, 2012 at 3:07 pm

    Great Firefox updates to 13.0.1 and now Google Toolbar isn’t working. How hard is it for FireFox developers to integrate probably the most popular toolbar out there?

    1. Jason said on June 27, 2012 at 3:20 pm

      Angry Guy: I think the toolbar decision was Google’s. Google seems to have been shying away from its toolbar (e.g. never a version for Chrome), which is a great shame, “Bookmarks on the cloud” is a great idea (i.e. without sharing with the rest of the world, a la Facebook, blech!).

  4. tahwos said on June 26, 2012 at 12:47 am

    I didn’t have a problem one, until updating to 13.0.1. Flash started getting sketchy, I lost the ability to login to some sites, and others just won’t load correctly. The “new tab” bs in 12 bugged me, but I was able to turn it off – the crap in 13 just pisses me off – and they’re trying to blame it on flash… oh puhlease, it worked fine before 13.0.1, updated flash or not. What bugs me the most, is that today, I had to resort to IE of all things, to make a financial transaction – not cool Mozilla.

  5. Jason said on June 25, 2012 at 8:01 pm

    Firefox 13.01 freezes when I load certain pages, like Gmail when logged in and Nothing responds, I have to kill the Firefox process from Task Manager. This doesn’t happen with Chrome or IE. I’m reverting to Version 12 and see if that fixes it. This is on a Win7 32 bit box.

    1. Jason said on June 25, 2012 at 9:42 pm

      Version 12 had the same issue with Firefox freezing/locking up. I reverted to version 3.6.28 and all’s good so far. In 13 and 12, I was getting script errors for the CBC and a few other sites, pointing to a potential problem with JavaScript with those versions on my PC. As noted, the same sites load on this same machine fine in Chrome and IE.

  6. BOOO said on June 18, 2012 at 7:20 pm

    likes to freeze and is very slow. Wish I have kept 6.0.1 (or some version around there)

    Every weekend its seems there is an up date

  7. Noodle said on June 18, 2012 at 1:22 pm

    Latest Firefox will not let me play youtube etc . I’m sure it’s an add on issue but I don’t know how to solve it. Tried reinstalling it /Flash /Java etc . Still no luck .

    1. Martin Brinkmann said on June 18, 2012 at 1:32 pm

      It is a Flash issue.

  8. pd said on June 16, 2012 at 7:44 pm

    When oh when oh when will someone write an authoring application that allows developers to do what they can in Flash, in HTML5/canvas/JS/SVG/CSS etc? Then we can finally get rid of Flash and essentially therefore get rid of plugins.

    1. Jojo said on June 16, 2012 at 8:00 pm

      Getting rid of Flash is not going to remove plugin’s. I see only two flash related plugin’s in my list below:

      Plugins (17):

      * 2007 Microsoft Office system
      * Garmin Communicator Plug-In
      * HD View
      * Java Deployment Toolkit
      * Microsoft® DRM
      * Move Streaming Media Player
      * Mozilla Default Plug-in
      * Office Genuine Advantage
      * PDF-XChange Viewer
      * Picasa
      * Shockwave Flash
      * Shockwave for Director
      * Silverlight Plug-In
      * Virtual Earth 3D 4.00100226006 plugin for Mozilla
      * Windows Genuine Advantage
      * Windows Media Player Plug-in Dynamic Link Library
      * Windows Presentation Foundation

      1. Jojo said on June 16, 2012 at 8:27 pm

        No, they are all enabled. They don’t seem to be breaking anything.

        I do wish users would be allowed to uninstall plugin’s.

      2. Martin Brinkmann said on June 16, 2012 at 8:14 pm

        All disabled I suppose? I have long since criticized companies like Mozilla or Google for not providing users with a choice when it comes to the installation or integration of plugins in the browser. How hard can it be to block the plugins by default, or display a prompt to the user before plugins are activated.

  9. Jojo said on June 16, 2012 at 7:09 pm

    V3.6.28 still running fine! [lol]

  10. AnonyK said on June 16, 2012 at 4:23 pm

    Having problems with Firefox 13.0.1, when i click a link – nothing happens, i have to reload the page sometimes!

    1. Tom said on June 20, 2012 at 12:18 am

      I experience the same problem. Clicking on a link brings nothing. Reloading brings nothing. And disabling all add-ons does nothing.

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