Two interim OS releases have been made since last July. One was in November with version 2.2, which added support for Google Street Views, some user interface changes, and e-mail improvements, among other things.

Reviewers at the time important to enterprise users  including on-device encryption, something better than four-digit numeric passwords, the ability to cut-and-paste, and synchronization of notes or setting up calendar items with Microsoft Exchange controls. Many of those are leftover complaints stemming from the . 

A was released in January. 

The new software development kit could presage an array of changes with the Apple development community.