Microsoft today updated the Facebook app for Windows Phone 8.1 devices to version 8.3.9.0. There is no change log in the Store listing, so it must be just bug fixes.
- See what friends are up to
- Share updates, photos and videos
- Get notified when friends like and comment on your posts
- See what’s new with your Facebook friends from inside the People app
- Sync Facebook friends to your People app
- Sync Facebook events to your Calendar app
Update it from the Windows Store here.

