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);
 			}

src/web/app/common/scripts/check-for-update.ts

@@ -11,6 +11,10 @@ export default async function(mios: MiOS) {
 		// 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);
 		}

src/web/assets/404.js

@@ -5,6 +5,10 @@ if (yn) {
 	// 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);
 	}