Service Worker was turned on by default in Edge included in Windows 10 Insider Preview Build 17063.Filip Chalupa commented
Please is there any status update? How far are we from seeing service workers in at least the insider program? Last message is year old now.
Push API is enabled by default in Edge included in Windows 10 Insider Preview Build 17063.
The W3C Web Application Manifest is now under development: https://developer.microsoft.com/en-us/microsoft-edge/platform/status/webapplicationmanifestFilip Chalupa commented
This and other PWA features can save the Windows Mobile platform. Keep the work up. Thanks.