RE: Fix #952

src/web/app/boot.js

@@ -95,6 +95,10 @@
 			// Clear cache (serive worker)
 			try {
 				navigator.serviceWorker.controller.postMessage('clear');
+
+				navigator.serviceWorker.getRegistrations().then(registrations => {
+					registrations.forEach(registration => registration.unregister());
+				});
 			} catch (e) {
 				console.error(e);
 			}