Originally Posted by Spock

Well-spoken, Borisb.
An as-yet not referenced "consideration" in the 2.2 implementation is/are the intricacies of the "dual screens" most EXCELLENT co-connectivity, bi-interactions/linking/web-tagging to books/passages and the plethora of other "shared" delights that need to be correctly engineered (relative to, or, in terms of OS "upgrades/updates.")
To quote Carlyle: "Silence is the element in which Great Things fashion themselves."
Merely because enTourage is not tripping over themselves to "rush" an inferior update/upgrade to satisfy the impatient, I, for one, prefer to give enTourage ALL the time they need to get it RIGHT upon release.