A new update for Windows Phone 8's Facebook app doesn't bring new features, but does make the app a lot faster and more responsive. Similar to the recent Facebook app updates on Android and iOS, this one focuses on the general performance of the app, and eliminates the lag from the older version.
Windows Phone 7 devices, however, aren't capable of running the new update. UK users will assuredly find the Facebook version 4.1 update in the UK Windows Phone Marketplace, but its not quite available in all markets yet.
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