Taming the PWA Notification Lifecycle: A Technical Deep Dive
We hit a wall. Our notification system, built on Firebase and Web Push, worked perfectly on desktop browsers, but in our installed PWA, it was a ghost town. The first notification would arrive like clockwork, but any subsequent one would fail with an infuriating “subscription has expired” error. This is the story of how we diagnosed and fixed a classic, subtle, and frustrating PWA lifecycle problem. ...