https://www.gamespot.com/articles/pubg-pc-server-downtime-has-ended-update-12-out-no/1100-6458676/

[UPDATE] The maintenance has now concluded, with service resumed on PUBG's live servers. Original story follows.

A major update is on the way to PlayerUnknown's Battlegrounds on PC. The patch is being deployed tonight, May 2, and will be preceded by a round of maintenance, during which time servers will be taken offline as developer PUBG Corp. rolls the new content out to the live game.