Blizzard patched World of Warcraft today, including two Mac-specific bugs. The patch, version 2.4.1, also fixes some other miscellaneous issues introduced with the 2.4 patch last week. The company also introduced a new Hero class for the upcoming expansion pack. Just in time for April Fools Day, the new Hero class is a Bard, complete with all the modern rock-and-roll [lack of] sensibilities you want in a fantasy roll playing game