One of the biggest problem with Mozilla and Firefox browser is Incompatible Add-ons with latest release! How to make your favorite Firefox add-on work with latest release and even with Aurora, Beta and nightly builds?
Mozilla will soon stop shipping Firefox 3.6 to its users to clear path for Firefox 4.0. Firefox 4 Beta 9 may be released before this year end as it has only 49 blockers to be fixed.
End of Windows XP era. Microsoft announced that sales of Windows XP will be closed on 22 October, 2010. But will support it till 2014 including Vista.