When I try to redirect from my application to the browser by the link which looks like 'microsoft-edge:https://rest-url' it redirects to the browser but I can see nothing. This behavior can be reproduced in the latest version in the Play Store.
According to the official docs https://docs.microsoft.com/en-us/windows/uwp/launch-resume/launch-default-app the browser scheme is valid and I can confirm that it worked in previous browser versions.
Android version: 11
Edge version: 93.0.961.53