That's not all the news that was shared. Today, Forza Horizon 4's developer shared that the game now numbers 10 million players. This information was first spotted by Twitter user "Emiel" while watching a Forza Horizon 4 livestream on Mixer.
https://www.windowscentral.com/forza-horizon-4-hits-10-million-players-sea-thieves-crosses-8-million
Took Forza Horizon 3 two years to achieve that. Offcourse it didnt had the power of Gamepass.
Oh yeah MS if you are reading this. Put in on Steam. You will thank me. ;)