https://wccftech.com/rainbow-six-siege-operation-shifting-tides/

Rainbow Six Siege “Operation Shifting Tides,” the final season of the tactical shooter's fourth year of content, is almost here (in fact, it’s available on test servers now) and Ubisoft has detailed it’s new Operators, reworked map, and new features. You can check out a full overview of Operation Shifting Tides below.

The two new Shifting Tides Operators are Indian attacker Kali and Kenyan defender Wamai. Kali comes equipped with the CSRX 300 sniper rifle, the first new weapon in Rainbow Six Siege since season 3, which can blast holes in just about anything. Here’s her official description: