Great looking update. Today, Ubisoft announced the Road to S.I. in-game event is returning to Tom Clancys Rainbow Six Siege, running every Thursday through Monday between January 21st and February 22nd. The Six Invitational 2021 Battle Pass is also available, which contributes to the Six Invitational prize pool.  

Source: N4G PC Rainbow Six Siege Reveals The Road To S.I.