The new update is scheduled to hit the live servers in a few hours

We have published earlier the devs in-game announce that they were planning to reset the leaderboards on May 30, but the things have slightly changed with the latest update announced earlier the reset is scheduled as well. We would experience those features pretty soon.

PC Players: Live servers will enter maintenance for 4 hours starting at May 30 7pm PDT / May 31 4am CEST / May 31 11am KST.
Once maintenance is complete, update #14 will be available to play and the new leaderboard season will begin.
Patch notes:https://t.co/kxV3ptfTLf

— PUBG Help (@PUBG_help) May 30, 2018

As usual don't expect the best performance from the servers a few hours after update, hopefully the full functionality would be restored by the end of the day.