https://www.theregister.co.uk/2018/12/06/microsoft_edge_chromium/

Microsoft on Thursday said it intends to use the open-source Chromium browser engine in the desktop version of its Edge browser, promising the two per cent of global internet users who favor Edge an improved web experience.

Joe Belfiore, corporate veep of Windows, announced the plan, which was reported earlier this week. "Ultimately, we want to make the web experience better for many different audiences," he said.