PS3 Firmware Update

Well PS3 has relased a new firmware update, updating it to v1.31. As much as I would love to go into detail about all the bugs this patch fixes...I can't. Why? good question and one that deserves an answer. Well The main reason is that Sony hasent really said anything about what the patch does, all they say is it improves the system...if you have any info, please let me know.