Apple has released iBooks 1.2.2, an update of its ebook reader app for the iPhone, iPod touch and iPad. According to Apple the update sports a number of important stability and performance improvements. More specifically, it:

° Addresses issues playing video included with enhanced books from the iBookstore;

° Resolves a problem where some books open with a different font than expected;

° Makes iBooks more responsive when navigating books with many items in their table of contents.