Samsung announced that they going to released the update in Mid-November but it was postpone.
Android Jelly Bean 4.1.2 update is already stable but not ready to release this Year. Lots of amazing features for S2 like better battery performance, Touchwiz UX, and custom notification bar, not including the Multi-View that the Samsung Galaxy S3 will be available right in with that update. Many users expected with the new updates but is was postpone and patiently wait the Galaxy S2 Jelly bean 4.1.2 update will start rolling-out by January 2013.
Rogers Communication a Canadian Carrier confirm also that the Samsung Galaxy Note (SGH-I717R) and S2 updates for Android Jelly Bean will start roll-out by Early of January 2013 (see photo below).