New Firefox 4 Beta 12 has been released on February 25th, 2011. You can check on the released notes about what’s has been changed on Mozilla Firefox 4 Beta 12. I am totally satisfied with latest Mozilla Firefox 4 beta, so far away. This version much stable and faster than previous version. كوكن
The most interesting and need to be fixed is Mozilla Firefox memory usage that sometimes use a lot of memory. We have already give instructions how to reduces Mozilla Firefox Memory usage. Did you know that, Mozilla Firefox for Android have been updated too?