1. iOS 18 to Introduce App Locking Feature:
- The upcoming iOS 18 update is expected to introduce a new feature that will allow users to lock individual apps on their devices.
- This feature will provide an additional layer of security, enabling users to protect sensitive information or apps from unauthorized access.
- The app locking functionality is likely to be accessible through the device's Settings menu, giving users more control over their app usage and privacy.

2. Dark Mode Expansion to Home Screen:
- The iOS 18 update is also rumored to extend the system-wide Dark Mode feature to the home screen.
- This change will provide a more consistent and visually appealing user experience, especially for users who prefer a darker aesthetic.
- The expanded Dark Mode functionality is expected to be welcomed by those who use their devices in low-light environments or simply prefer a more muted color scheme.

3. Potential Release Timeline and Expectations:
- While the iOS 18 update is not expected to be released until 2024, the article suggests that Apple may unveil it at the Worldwide Developers Conference (WWDC) in 2024.
- The WWDC event is typically where Apple showcases its latest software updates and new features for its various platforms, including iOS.
- Fans and users of Apple's ecosystem are likely eagerly anticipating the release of iOS 18 and the new capabilities it may bring to their devices.