No they don't work fine. The option to install a PWA as an app is quite hidden, compared to Chrome. They refuse to implement push notifications. In general,

No they don't work fine. The option to install a PWA as an app is quite hidden, compared to Chrome. They refuse to implement push notifications. In general, Safari is dragging their feet in supporting any web standards that would allow PWAs to compete with apps installed from the App store, while at the same time being the only browser allowed on iOS.