Just some hours ago, I posted "Next update on Oracle Enterprise Manager 12 Launch" and here we go with the next update on Oracle Enterprise Manager 12 (Grid Control) :-)
I just saw in My Oracle Support a Note (ID 1363757.1) dated from 3rd October 2011 which is related Oracle Enterprise Manager 22.214.171.124.0 (12c). Seems that the naming convention is confirmed with 12c
Oracle OpenWorld 2016: Why Should You Attend?
8 hours ago