Firefox 4 beta was released recently and new update of Firefox 4 Beta is now available . Firefox 4 beta was released 21 days earlier .
New in firefox update ? 
App Tabs :
- There are some websites you visit many times throughout your day, such as your email, social networks, music or game sites. Now you can turn the websites you use most into App Tabs to easily find the ones you need.
- App Tabs offer a better way to manage tabs, saving space on the tab bar and making it easy to find frequently used tabs.
There are some other Under the Hood changes as well:
- CSS3 Transitions
- Retained Layers
- XPCOM Framework
To know more about apps tab see this video .
In my opinion this is great release from firefox , what do you think about this release of firefox ? let us know by comments .
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