Where did 15.15 come from...?
I feel like they've gone stark, raving bananas--the first Crimson driver was not released as a beta--presumably, it was therefore a WHQL driver. Except that it wasn't a WHQL driver at all. The second driver released was a beta Crimson driver officially, which supposedly fixed a few things. This third Crimson driver is not a beta driver, but somehow is the exact same driver released as a beta earlier--the second Crimson driver. So the 15.12 WHQL is exactly the same driver as the 15.11.1b Crimson?
Wouldn't it have been better to have left the 15.11.1b driver alone until you had some substantial improvements for the next release? And the original 15.11.1b Catalyst
driver release has just vanished--I still have it in my AMD directory. AMD has removed the driver completely--even on the Previous Drivers page the "15.11" drivers are the original Crimsons--and not the original Catalyst drivers. They've taken something exceedingly simple and made a mess of it, imo.
It is well known that I cannot err--and so, if you should happen across an error in anything I have written you can be absolutely sure that *I* did not write it!...;)