Correct, see the Unleashed 200.1 Release Notes.
As of about 10 minutes ago, all current Unleashed networks that perform an upgrade will load 200.1.9.12.55.
This is the new Unleashed 200.1 GA now on the Cloud server. Individual firmware will be available tomorrow Tue (1/18/16)
For R500, R600, T300, T300e, T300n, T300s (only for now).