Name change or not, the Microsoft browser of the future will have entirely different underpinnings than the Edge browser of today.
I'll clarify: Focusing on accessibility and accessing the Edge browser of today is a dead end.
Once the tectonic shift occurs where its replacement, even if same-named, is released then it's worth the time and effort.
Brian - Windows 10 Home, 64-Bit, Version 1809, Build 17763
Explanations exist; they have existed for all time; there is always a well-known solution to every human problem — neat, plausible, and wrong.
~ H.L. Mencken, AKA The Sage of Baltimore