The Microsoft Edge beta app for Android updated today and they have added the support for picture-in-picture. This feature is only available for Android Users who are running Android 8 and above, old devices need to upgrade so that they can also get this support.
Thanks for using Microsoft Edge! Picture-in-Picture mode is available with this update (on devices with Android 8.0 and above). This release also includes general bug fixes and performance improvements.
Now you can move the video to screen anywhere without leaving your screen. Before they have the native ads blocking which help to eliminate the ads from the website. There is no new feature added, just the bug fixes and improvements.