If you’ve been waiting to get your hands on the latest browser from Mozilla, you won’t have to wait much longer. The next version of Firefox is nearly complete, as evidenced by yesterday’s release of Firefox 3.1 Beta 3, the fifth development milestone in the popular web browser. Beta 3 has been plagued by delays. Mozilla originally intended to launch Firefox 3.1 in late 2008. Because progress on the browser has been slower than planned, the company reworked its schedule and added Beta 3 to the timetable to give