Might require play services since PWA notifications uses Firebase:
https://discuss.grapheneos.org/d/2587-push-notification-not-working-with-pwa/
Anyone managed to get android notifications on Vanadium PWAs? cc nostr:npub1c9d95evcdeatgy6dacats5j5mfw96jcyu79579kg9qm3jtf42xzs07sqfm
Discussion
I have sandoxed play services installed, still nothing. PWA does not even "ask" for notification On my wife's stock pixel, the same PWAs ask for nofication permission and display notifications.