.

public/service-worker.js

@@ -1,5 +1,5 @@
-const cacheVersion = 'v1.5';
-const cacheName = `minexlauncher-${cacheVersion}`;
+const cacheVersion = '1.5';
+const cacheName = `minexlauncher-v${cacheVersion}`;
 
 self.addEventListener('install', (event) => {
 	event.waitUntil(

public/updates/index.html

@@ -51,7 +51,8 @@
 						<div class="news-item">
 							<!-- Don't forget to update launcherVersion and the changelog in main.js as well -->
 							<strong>MineXLauncher 1.5</strong>
-							<li>hello there</li>
+							<li>MineXLauncher now works offline!</li>
+							<li>You can now install MineXLauncher as a PWA web app</li>
 							<br />
 							<strong>MineXLauncher 1.4</strong>
 							<li>Added welcome and setup screen</li>

src/resources/scripts/main.ts

@@ -287,6 +287,7 @@ if (window.location.pathname === '/') {
 			alert(`MineXLauncher has been updated to v${launcherVersion}!
 
 Changes in v${launcherVersion}:
+  - MineXLauncher now works offline!
   - You can now install MineXLauncher as a PWA web app`);
 			storage.local.set('lastVersion', launcherVersion);
 		}

src/resources/scripts/settings.ts

@@ -58,8 +58,12 @@ if (window.location.pathname === '/welcome.html') {
 				storage.local.set('theme', themeSelect.value);
 				storage.local.set('lastVersion', launcherVersion);
 
-				// @ts-expect-error
-				installPwaEvent?.prompt();
+				try {
+					// @ts-expect-error
+					installPwaEvent.prompt();
+				} catch (error) {
+					console.log('Failed to prompt PWA install:', error);
+				}
 
 				// @ts-expect-error
 				window.top.location.href = '/';