I didn't accuse you of such, I'm just trying to say, please make sure they're tracked so we know about them and can fix them :-)
Which hardware, and which applications/situations? There's definitely work we can do in a lot of places to optimise things further, the priority so far has mostly been in getting things functional, though.
It would be easy to recreate it using the infrastructure we have now.
Hardware-dependent. Seems to be fine on my N950 at least..