Ubisoft has shared more details about when Rainbow Six Siege will launch on PlayStation 5 and Xbox Series X and how they’ll work with existing versions of the game. Game director Leroy Athanassoff told WindowsCentral that Rainbow Six Siege will be available for both next-generation consoles at launch, or at least that is the current “target.”It makes sense that Siege will be available on the new consoles from day one, given Sony and Microsoft have already come forward to say the PS5 and Xbox Series X will support PS4 and Xbox One games, respectively. The Xbox Series X will also play Xbox 360 and original Xbox games, but Sony has yet to clarify its position on backwards compatibility beyond the confirmation that the system will play PS4 games.The PS5 and Xbox Series X are scheduled to launch in Holiday 2020, so fans can expect Rainbow Six Siege to be playable on these systems around then.Also in the interview, Athanassoff said there will be cross-generation multiplayer support, which will connect the PS4 and PS5 and the Xbox One and Xbox Series X communities. The game director said Ubisoft is working with Sony and Microsoft to allow cross-platform play between PS4 and…