Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
This update just appeared for me today, on my SB early-2011 MBP (2.2GHz i7). I check for updates about every two or three days, so I don't know why I"m just getting it now... but I've also been having all sorts of problems related to sandboxing, so I'll be really curious to see if this helps...
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.