Here's NA version of the Network Operations maintenance announcement:
"On 11/22/16, starting at, 01:30 Pacific Time (09:30 UTC), ranked queues will be disabled in preparation for patch 6.23. At 03:00 Pacific time (11:00 UTC), the servers will be shut down and all games currently in progress will end in a draw and stats will not be recorded. We estimate the battlegrounds will be unavailable for 3 hours."Be sure to check your particular servers status page for your region's specific 6.23 maintenance times:
Until the official patch notes are available, check the [ 6.23 PBE content ] for a tentative look at what is coming in the patch - including pre-season changes, the assassin class update, nine skins, and more!