It seems like this new update (22.2011.44-2) is most of all meant to add arabic virtual keyboard. Keeping that in mind this being available in Navifirm and via OTA only in Middle east and Africa variants of N9 isn’t much of a surprise.
Though people who have updated via OTA or Navifirm in MEA are reporting that the following apps are being updated separately after the update as well: User Guide, Twitter, Store, Real Football 2011, Ovi Music, NFS Shift, Galaxy on Fire 2, AP Mobile, and Angry Birds Free.
As of now, I have noticed some visual and performance improvements in Facebook and Twitter (including photo upload). Visual improvements are also visible in the Messages app, plus some performance improvement in the general UI. I will have to use the mobile some more over the next few days to observe the improvements. – mobility.com.ng
I would stay away from updating this update if you are living outside of the MEA area and even if you are it seems like the OTA update has gone live already. Remember that you can’t rollback the updates.