Rockstar Games' Red Dead Redemption 2 will be available for Xbox Game Pass subscribers on May 7th. It comes with a trade-off, however, as Grand Theft Auto V will no longer be available for subscribers from that day onward.
https://www.notebookcheck.net/Red-Dead-Redemption-2-will-be-available-on-Xbox-Game-Pass-starting-May-7th.462358.0.html