It totally is: https://developer.mozilla.org/en-US/docs/Web/API/Notification/tag https://developer.mozilla.org/en-US/docs/Web/API/Notificatio... "The idea of n

It totally is: https://developer.mozilla.org/en-US/docs/Web/API/Notification/tag https://developer.mozilla.org/en-US/docs/Web/API/Notificatio... "The idea of notification tags is that more than one notification can share the same tag, linking them together. One notification can then be programmatically replaced with another to avoid the users' screen being filled up with a huge number of similar notifications." Apple are the only ones not supporting this, and much of the time with web stuff they have a point, but this one just seems obtuse.