1. Customisation option You can now arrange apps and widgets in any open space, including placing them right above the dock.

2. Photos app gets a redesign The Photos app has received its most significant redesign ever, unifying photo libraries into a single view.

3. Improved Control Center The redesigned Control Center will offer quicker access to your most-used controls, like media playback, Home controls, and connectivity options.

4. Messages via Satellite and iMessage update iOS 18 will bring the power of satellite messaging to the Messages app, allowing users to communicate when cellular or Wi-Fi connections are unavailable.

5. Say hello to Apple Intelligence This new system is deeply integrated into iOS 18 and will enhance tasks like language understanding, image creation, and more.

6. Mail Enhancement Mail will feature on-device categorisation to organise your inbox into categories like Primary, Transactions, Updates, and Promotions.

7. Safari Update Safari now includes a Highlights feature that uses machine learning to surface key information from web pages. 

8. New Passwords App the new Passwords app will ensure easy access to passwords, passkeys, Wi-Fi passwords, and verification codes.

9. Enhanced Privacy Feature You will be able to lock apps with Face ID, Touch ID, or a passcode, ensuring that sensitive information remains private.

10. Apple Maps and Game Mode Apple Maps now includes topographic maps and hiking routes for US.  Game Mode improves frame rates and wireless accessory responsiveness.