Microsoft Edge - Wikipedia
https://en.wikipedia.org/wiki/Microsoft_EdgeIn December 2014, writing for ZDNet, technology writer Mary Jo Foley reported that Microsoft was developing a new web browser codenamed "Spartan" for Windows 10. She said that "Spartan" would be treated as a new product separate from Internet Explorer, with Internet Explorer 11 retained alongside it for compatibility.
Microsoft Edge - Wikipedia
en.wikipedia.org › wiki › Microsoft_EdgeOn August 20, 2019, Microsoft made its first beta build of Edge available for Windows 7, Windows 8, Windows 10 and macOS. August 2019 also saw the removal of support for the EPUB file format. At Microsoft Ignite, Microsoft released an updated version of the Edge logo. The new Edge was released on January 15, 2020.