Actually, I read a rumor somewhere that was planned for Windows 10 as part of UWP, which already supports JS apps. They've already gone fairly far in integrati

Actually, I read a rumor somewhere that was planned for Windows 10 as part of UWP, which already supports JS apps. They've already gone fairly far in integrating PWAs with the new Edgeium, so we'll see where this goes. (Your installed PWAs appear in the control panel for uninstallation, for example, which even Chrome doesn't do yet.)