Maintenance is scheduled for tonight

Early in the morning on June 16 (Wednesday) the developers will conduct another preventive maintenance of the main PlayerUnknown's Battlegrounds servers. The work is scheduled to begin at 02:30 CET and will end in about 4 hours. Information about this appeared in the official Twitter support service PUBG:

[PC] Live servers will undergo routine maintenance for approximately 4 hours on June 15th, 5:30pm PDT / June 16th, 2:30am CET / June 16th, 9:30am KST.
Details on included bug fixes will be shared once maintenance is complete.

— PUBG Support (@PUBG_Support) June 15, 2021