Announcing Windows 10 Insider Preview Build 17623 for Skip Ahead - Windows Experience BlogWindows Experience Blog
Well, Microsoft really buried the lede in this announcement:
…we will begin testing a change where links clicked on within the Windows Mail app will open in Microsoft Edge…
Yup, no matter which browser you’ve chosen to set as your default, hyperlinks will be hijacked to open with Edge. This is disgusting. It feels like a return to the shitty old days of Microsoft’s strong-arm tactics, just when Microsoft were gaining trust and respect.