Dang, need permission to access the 2.0 download page :(
Try this link..
I just flashed the latest tar, after the flash when it reboots, I pulled the batt and tried to boot into recovery but can't. Then it will reboot into android.
I'm on a fresh 4.4.2 stock rooted NAB. I can undo this by flashing stock again but ...
We can thank Amazon for this change, not Google. Apparently tracking numbers are no longer provided in email and thus Google Now won't pick it up.