Firefox 4 Beta 8 launched by Mozilla on Wednesday, December 22. Is the latest version that brings two major improvements, which include improved Firefox Sync experience and further refined add-on manager. Other changes include compatibility improvements to WebGL and the usual bug fixes, speed and stability improvements. For the full release notes and to download the new Firefox 4 Beta 8, click here
To see the complete list of Bugs fixed by Firefox 4 Beta 8 click here