Version 3.3 of WordPress for iOS was announced earlier today. This release introduces Sound Effects and is a minor release (only one enhancement). This is a first example of feature-driven dev cycles.
Announcement is here: http://ios.wordpress.org/2012/12/03/version-3-3/
Tweeted (please RT!):
Version 3.3 Is Here To Be Heard: Announcing Sounds wp.me/pgi3r-l9
— WordPress for iOS (@WordPressiOS) December 3, 2012