To the best of my knowledge this will be PWAs delivered through the Windows Store. Not for example, Chrome/FireFox/Edge PWAs having better support within Windows.

As to what they'll fix/implement when. I only have my opinion which is - Microsoft has been chasing this dragon for sometime and they love to redefine and confuse terms as they go.

This link is the root of my confirmation bias though -> https://www.thurrott.com/windows/windows-10/142649/microsoft...