My favorite part of the whole PWA marketing push is that they encourage use of the Service Worker API for offline caching, but leave cache invalidation / cleanu

My favorite part of the whole PWA marketing push is that they encourage use of the Service Worker API for offline caching, but leave cache invalidation / cleanup as an exercise to the reader. "Do it the way it makes sense for your application" is a technically correct answer, but I assume translates to "never" for 99% of us with tight deadlines.