Angular v15 is out!

✅ Standalone components are stable!
🌲 More tree-shakable standalone APIs
🎆 `NgOptimizedImage` with Chrome Aurora
🕸 Improved stack traces for the web with Chrome DevTools
🖼 Angular Material MDC Components
🎨 Directive composition API

https://blog.angular.io/angular-v15-is-now-available-df7be7f2f4c8