Mine seems to be crashing out of previously stable apps quite a bit. Seems quite random but it's definitely happening. It's not all of them though, but typically ones that access the web. This is on 2 different devices so it's not one machine.
Try the Cracked app (I have the paid one but I assume bug is still in the test one). Before 5 it was perfect, but not it seems to crash out when you select a second article to view. Annoying.
Also I've read a lot of iPod music code is failing. ie. the ability to choose and play your own music from within a game. I have it on one of my games (Rotaslider) but will have to wait for a fix before doing anything about it.
Cheers
I am 99% probably lying in bed right now... so don't blame me for crappy typing
Current fave quote : "She was like a candle in the wind.... unreliable...."