🤪 New Siri – understands on-screen context, in-app actions, and has broader world knowledge (iPhone 15 Pro / 16 and newer)
🛝 Siri Camera – ask questions right from the Camera app, even split a restaurant bill
🖋 Write with Siri – writing help in Messages and Mail, adapts to your personal style
🌼 Photos – Clean Up, Extend, and perspective changes after you've already taken the shot
🧭 Safari – smart tab grouping, page-change tracking, custom extensions on request
🛝 Image Playground – new generation model, including photorealistic style
💠 Shortcuts and Calendar now understand plain natural language for creating things
🔒 More parental control tools
🎛 Liquid Glass is more flexible styling (from fully transparent to fully tinted)
🔋 Better performance and energy efficiency system-wide

📸 Camera: New variable aperture (f/1.48–f/4) boosts low-light shots and daytime bokeh, plus new shutter-speed and film-grain options.

🧠 Performance: A20 Pro chip runs demanding games smoothly; bigger vapor chamber keeps it cooler.

🔋 Battery: Biggest win — 18 Pro Max hit 34.5 hours of HD video playback, 2 hours more than last year.

🏝 Dynamic Island is 25% smaller and now shows 3 notifications at once.

✏️ Same overall design as before, and the aluminum camera bump edges still scratch easily = a known issue Apple reportedly isn't fixing.