As of when? I haven't climbed there since last summer, but there was no sign of unusual rockfall then. Personally, I think there are far more dangerous places to climb in the Valley than in the central area of the Apron, but as the recent rockfall and George Stock's posts show, no Valley wall is immune.
I have climbed recently at the Apron and all seemed fine, there was another party doing the Grack that day. The start of the climbers trail is very non-obvious, lots of fallen trees and navigating through swamps. On our way down we tried to leave a mark. (two sticks with white tape on them).
Robert Summers and I climbed Regular Mouth on Saturday, and Point Beyond Direct on Sunday. Lots of parties hiking back and forth from Grack to Goodrich Pinnacle and beyond on Saturday. One party did Goodrich Right Side. On Sunday, several parties (including Linda and Heather) did Chouinard Crack / Harry Daley. There was snow at the base of Point Beyond Direct, and there was a good stream of water coming down Hall of Mirrors.
We did not observe any rockfall on Saturday or Sunday (in fact I have never observed rockfall while I have climbed there). There were a few impact marks on either side of the first pitch of Regular Mouth, and lots of unstable blocks along the base. We think the blocks may have fallen during the winter onto snow at the base and then shifted downwards as the snow melted. Regular Mouth was free of impact marks above p1, except for one on the ledge at the start of p3.
Also, there were a lot of somewhat new blocks (perhaps from over the winter or more recently) over the trail where it makes the level traverse on the sandy slope between Hall of Mirrors and Goodrich Pinnacle Right Side. I recall in one of cleo's posts she said there were 2 rockfalls in the Valley the weekend of May 2-3, with one of them possibly at the Apron: http://www.supertopo.com/climbing/thread.html?topic_id=853277
Incidentally, I don't exactly recommend Regular Mouth (5.9 R) at present - I aided the runout crux on p2 by tossing a hook, and p6 is protected only by an original 1/4" Star Dryvin which sticks out from the rock. We replaced one anchor bolt at the top of p6 ("The Mouth"), and the protection bolt on p3 - we only brought 2 bolts with us.
It looks like Roger and I will work on this section of the Apron this summer, so this should be fixed up (old bolts updated, runouts still the same) before too long.
My wife and I ran up The Grack Center yesterday. It's hard to say what the rockfall risk is. It goes without saying that anytime you're on the Apron you accept an increase in risk. (Of course, while there's risk anywhere in the park, the risk at the Apron is more noteworthy due to the rock fall activity there.) It may be helpful to know that there seems to be some new rock at the base just below Goodrich Pinnacle, west of the wash. I'm not sure if the rock is related to the October 2008 rock fall incidents; as I said, the rock seemed new and there certainly were some broken trees.
was it just me or that area between the Grack and lets say Monday morning slab had what seemd to be fresh talus at the base...anyone else notice or is it old stuff...it was bea----u----tiful climbing though, except that sense of a potential fall seems stuck in the noodle...