https://wccftech.com/rainbow-six-siege-high-calibre-thorn-outback-rework-test-server-changes/

The latest Rainbow Six Siege season, Operation High Calibre, hit test servers tomorrow and it looks like it will serve as a fitting finale for the game’s Year 6 content. The headline features of Ubisoft Montreal’s latest update include new defender Thorn, who wields special timed proximity mines, and a rework of the Outback map. You can check out the new defender and map in action, below.

Rainbow Six Siege Is Free to Play Between Today and Next Monday