https://wccftech.com/pubg-pc-update-15-sanhok/

Developer Bluehole has deployed PUBG PC update 15 which adds the  Sanhok map alongside various UI and sound improvements.

The small new 4x4km map, which was previously known as ‘Savage’, was already available via the game’s test servers, but has now been available for all players. We’ve included a short teaser trailer for the new map down below: