It’s an open standard but it’s centralized, and not all of it is covered by an open standard. Here’s the page about browser support. https://github.com/web-pus

It’s an open standard but it’s centralized, and not all of it is covered by an open standard. Here’s the page about browser support. https://github.com/web-push-libs/web-push/tree/master#browser-support https://github.com/web-push-libs/web-push/tree/master#browse...