Mozilla Messaging has release Thunderbird 3.1 based on the Gecko 1.9.2 platform, was built by a community of passionate contributors, experienced developers, security experts, localization and support communities, and thousands of active testers. Some of the new features: New Quick Filter toolbar New Migration Assistant Saved Files Manager Several fixes to improve upgrading from Thunderbird 2 Several design improvements and corrections to the interface Stability, memory, and password handling improvements For more information and to download please see the Thunderbird 3.1 Release Notes. Source: Mozilla Developer’s News

Firefox 3.6.4 has just been released by the developers after a longer than usual wait time. The new version of the web browser comes with out-of-process plugins enabled. This feature basically runs plugins in their own process to increase the stability and security of the browser. By default, only Silverlight, Flash and Quicktime are making use of this feature. Every other plugin is still running in the main Firefox process. The developers have however created an option to add other plugins to the out-of-process plugins list so that they are run in their own process as well…. How 2 with…

With the long awaited releases of both Firefox 3.5.10 and Firefox 3.6.4 earlier this week, it seemed as if it were too much to hope for a Firefox 4.0 (formally 3.7) release today. Indeed it was, Mozilla is not going push out the first beta of Firefox 4 today or likely anytime soon. The Mozilla Releases page now has the release date as ‘TBD’. Release Candidate 1 is still scheduled for October 2010.