https://www.techradar.com/news/next-xbox-reportedly-launching-in-2020

Microsoft confirmed earlier this week that it's working on the next generation of Xbox consoles, and today we have some possible details on just what we're in for come the next round of Xbox One. 

Microsoft's next-gen Xbox project is codenamed Scarlett, reports Brad Sams of Thurrott, who viewed content relating to a number of as-yet-unannounced devices Microsoft intends to release over the next couple of years.