https://www.gamespot.com/articles/rainbow-six-siege-operation-para-bellum-update-ava/1100-6459185/

Rainbow Six Siege's big Operation Para Bellum update is right around the corner, and now some players are able to try it out a little early. Ahead of its release next month, Ubisoft has deployed the Para Bellum update on Siege's test server, giving PC players a chance to test out its new features before the patch officially arrives in the live game.

Among other things, Operation Para Bellum introduces two new Operators to the game: Alibi and Maestro. Both of the characters are Defenders and hail from the Italian counterterrorism unit, the Gruppo di Intervento Speciale. Alibi is able to deploy holographic decoys to distract opponents, while Maestro can lay down a bulletproof turret that can fire laser-powered rounds and see through smoke.