This latest release (Beta 12) doesn’t bring new features, but instead a lot of the bugs that has been worked out, and there is also performance improvement and responsiveness for Web video. This is a final push before hitting Firefox 4 Release Candidate (RC) that it could be release sometime next week. Mozilla has been also working hard in conjunction with the community of add-ons developers to make sure that Firefox’s add-ons are ready and compatible for the final Firefox 4 stable release. If you would like to learn more you can visit The Mozilla Blog and of course Firefox 4 Beta 12 is also available for Mac and Linux. Source The Mozilla Blog via Downloadsquad All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.