Facebook have released an update to their iOS app (v4.1.1) which adds retina display support for the new iPad as well as addressing a number of issues.
Of note, the Facebook app update does not yet provide support for Timeline on the iPad.
What’s New in Facebook v4.1.1:
In this release, we added some features and fixed some bugs so now:
– You can go offline in chat
– The right profile picture appears for everyone
– Your list of friends always includes all your friends
– In sets of photos, your name is displayed correctly
– Photos of people who like Facebook Pages load correctly
– Your friend-request notification only lights up if you have a request
– You can change your language to Czech, Danish, Greek, Indonesian, Malaysian, Norwegian (Bokmal), Portuguese (Portugal) or Thai
– If you’ve got a new Retina iPad, you’ll see a crisp, high resolution interface