Servers will not be shutdown for maintenance tonight
In the early morning of September 9 (Wednesday) the developers will conduct the next maintenance of the main PlayerUnknown's Battlegrounds servers. The information about it appeared in the official Twitter of PUBG support service:
[PC] We'll be performing routine backend stability improvements on Sep 8 7:00pm PDT / Sep 9 11:00am KST / Sep 9 02:00 UTC.— PUBG Support (@PUBG_Support) September 8, 2020
No server downtime required, you can continue to play as normal.