Microsoft has released a new Chromium-based version of Microsoft Edge. In the support article of 17 June 2020 it says Microsoft provide update KB4567409 for Windows 7 and Windows 8.1. Now Microsoft is taking the next step, as the colleagues reported here. I had the details in the blog post Windows 10: Chromium Edge are rolled out to user. At the beginning of June 2020, Microsoft started to deliver the new Chromium Edge browser for various Windows 10 versions.
The new Chromium Edge Browser is available as a download since mid-January 2020 for various Windows versions and other operating systems (see Microsoft Chromium-Edge released).