zucchini-src/zucchini-demo — pull request #7 by vaskas (2013-08-10 19:57:38+00:00)
Title: Modernize the demo to use mechanic.js selectors and iOS 6

Something is definitely different timing wise because the New Book, Author and Title screenshots are apparently taken before the previous action is completed.
It's not related to the mechanic.js introduction though, 0.6.2 actually works the same.