Beta 11 of Mozilla Firefox 4.0 is available for download from Mozilla website.
changes coming with this release are:
-Do Not Track (DNT) [new anti-tracking privacy feature which allows users to opt-in mechanism within the
browser to have more control over what websites can track them while they online.]
-Connection status messages are now shown in a small overlay
-WebGL has been re-enabled on Linux
-The default homepage design has been refreshed
-Firefox no longer switches into offline mode automatically