The update is for BD+ and makes the almighty Blu-ray disc even more secure. Companies like Slysoft, who make AnyDVD HD software, found a way around the original DRM causing this firmware update.
"People" over at the SlySoft forums are already hard at work looking for another overlooked loophole to once again break the DRM. They have went on record saying, it will only take until February of 2009 for the new BD+ to be cracked.