With the official launch of Windows 8 just around the corner, Mozilla today unveiled its first preview release of Firefox Metro. The Metro version of Firefox, Mozilla says, was “designed from the ground up for Windows 8″ and already includes many of the usual Firefox tools and features.
Now you will almost have same experience for using Firefox but now in mobile devices with different operating systems ” Maemo, Android, Windows Phone”, Mozilla mobile also known as Mozilla Fennec has many things on common with Mozilla Firefox web browser.
The first Alpha release in the new Firefox 29.x branch has been made available for download by Mozilla for all platforms, including Linux. Mozilla doesn't give any details about the upcoming Alpha versions, even if it's something that everyone is waiting for. The reason is simple, as the developers still have to test a lot of the things that are going to make it into the Beta.
The new Mozilla Firefox 4.0 is now available for download. For Ubuntu users, you can now switch to this stable version of Firefox 4. Mozilla Firefox 4 gets many improvements especially in security and speed term. You can download the new Firefox 4 for Linux from this link.