It's not out of date. Chrome does not yet support Message Payloads in the public release, here's their description for it on chromestatus.com: https://www.chrom

It's not out of date. Chrome does not yet support Message Payloads in the public release, here's their description for it on chromestatus.com: https://www.chromestatus.com/feature/5746279325892608 https://www.chromestatus.com/feature/5746279325892608 The workaround for now is to have the service worker fetch the payload from an API endpoint that the sender implements themselves.