Small update implemented
Today PUBG Corporation released a small patch for the main game client of PlayerUnknown's Battlegrounds, which increased the stability of the servers. To install the update, the developers did not have to shut down the game servers.
A small update has been applied without downtime to improve the stability of back-end systems.— PUBG Support (@PUBG_Support) October 10, 2019
Please restart Steam to download the update.