What other options do they have? Even on HN you hear "I use Egde to download Chrome". Many of you here don't test your own work in Edge. At the same time Microsoft is getting the heat that Windows 10 is unstable and the last major update shows that it is. Very urgently, I imagine, Microsoft is trying to change the perception of Windows 10 by doing everything they can to make it more stable. Changing the browser engin…
I doubt Browser's engine has much to do with application UI, which was the main issue of edge.