Well, actually, there is ;p. It's even in knc1's FGA thread, and I'm not even talking of the humongous amount of time this has popped up all over the forum

. The indexer can be evil, it's a very, very well known thing

.
The temperature thing is also not new, although it should be way, way, way better than on previous models (Oh, the K3...

). That said, it affects the *screen tech*, not the software, and is quite easily recognised (i.e. black flashes all the time even when the settings forbid it, and a varying degree of sluggishness affecting said black flashes).