Apple's lesson in how NOT to do optimistic updates

You&rsquo;re listening to a song you love and want to save it. You click the favorite star and&hellip; nothing. You wonder if you missed the button. Did the app freeze? You&rsquo;re about to click again when, SECONDS later, the star finally turns red. This is the current state of Apple Music (Version 1.6.5.10) on macOS 26.5.1. Most apps use &ldquo;optimistic updates.&rdquo; When you like a post or…