Mozilla Updates Thunderbird to 3.1.11

June 21, 2011

In addition to the Firefox release I mentioned in the previous post, Mozilla has also released a new version, 3.1.11, of its Thunderbird E-mail client, for all platforms: Mac OS X, Linux, and Windows.   (Mozilla often makes simultaneous releases of Thunderbird and Firefox, since the two applications share a considerable code base.)   This release includes fixes for several security and stability bugs; more information is in the Release Notes.

You can get the new version using the built-in update mechanism (Help -> Check for Updates); alternatively, you can download an installation package (in a variety of natural languages) here.   Because of the security fixes included, I recommend installing the new version as soon as you  conveniently can.

Mozilla Releases Firefox 5.0

June 21, 2011

The Mozilla organization has released a new version, 5.0, of its Firefox web browser.  The new version incorporates security and stability improvements, as well as a number of new and improved features, including:

  • Added support for CSS animations
  • Improved canvas, JavaScript, memory, and networking performance
  • Improved standards support for HTML5, XHR, MathML, SMIL, and canvas
  • Improved desktop environment integration for Linux users
  • WebGL content can no longer load cross-domain textures
  • Background tabs have setTimeout and setInterval clamped to 1000ms to improve performance

The Release Notes have more details, and links to background information.   The security fixes address eight vulnerabilities, five of which are rated as Critical.

You can obtain the new version, for all platforms (Mac OS X, Linux, and Windows), in 70+ languages, from the download page.  Alternatively, you can use the built-in update mechanism (Help -> About Firefox -> Check for Updates).  Because of its security content, I recommend that you upgrade to the new version reasonably quickly.

For those who are still using Firefox 3.6.x versions, Mozilla has released version 3.6.18, which incorporates the relevant security and stability fixes; it can be downloaded here.  Since this version will only receive updates for a limited time, I recommend that you plan to migrate to the current version soon.

Update, Tuesday, 21 June, 22:49 EDT

The Mozilla Blog also has a post describing some of the new features in Firefox.


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