Server maintenance is scheduled for tonight; 5.2 is going live

Today the developers announced the exact time when the new 5.2 update will be transferred from the test client to the main client PlayerUnknown's Battlegrounds. On Wednesday morning, PUBG Corporation will shut down the main game servers for the maintennace required to install the update. Information about it was published in the official Twitter of PUBG support service:

PC Players: Live servers will undergo maintenance for 7 hours on Nov 19 4:30pm PST / Nov 20 1:30am CET / Nov 20 9:30am KST.
Update 5.2 lands after maintenance. Experience PUBG Labs, Spike Traps, Auto-Attachment Feature, Vikendi changes and more.
Details: https://t.co/Zk82jM1pT8

— PUBG Support (@PUBG_Support) November 19, 2019

In patch 5.2, the developers presented a new system called "Labs", which will test various experimental functions in PUBG.