The bugfix release 0.9.1 has just gone live on the App Store this morning. It fixes another glitch in the Ko detection routine (the same function I already muddled with for 0.8.1). Get the newest sources from GitHub.
Unfortunately 0.9.2 is already in the works: The new crash reporting feature in 0.9.0 has led to over 80 crashes being reported in only a few days. As sad as it is to see that the app I am sweating over is not as perfect as I would have liked it to be, it is still a good thing to see those bugs finally coming out into the open so that I can squash them. It also proves that adding both a crash reporting and a general in-app bug reporting feature in 0.9.0 was well worth the effort. If I ever start another iOS app project I will certainly launch the app with both of these QA features already in place.