https://wccftech.com/pubg-pc-update-anti-cheat-system/

A new update is going to be released later today for PUBG on PC, introducing a new anti-cheat system as well as more quality of life improvements and gameplay tweaks.

PUBG PC update #22, which will be available following 5 hours of servers maintenance which begin at 5:30pm PDT / Oct 3 2:30am CEST / Oct 3 9:30am KST, introduces a new Anti-Cheat system.