Apple has just released iTunes 9.2.1, an update that will soon be available to all those who have installed iTunes 9.2 on their PC. For now, I haven't received the update, but I'm sure that it will be available in the next few hours.
DO NOT install this update for iTunes yet because it is not yet known how it affects the jailbreak/decoding! As soon as I have new information I will let you know!
UPDATED : Here's what's new in iTunes 9.2.1 :
