Microsoft has allegedly told video game developers not to charge players for upgrading current-gen games to next-gen versions.The move appears to be aimed at propelling Microsoft’s Smart Delivery system for the Xbox Series X, which will grant players free next-gen upgrades, according to a report from Video Games Chronicle.The report also alleges that Microsoft is leaving the door open for publishers and developers to employ other mechanisms, such as Electronic Arts (EA)’s Dual Entitlement