1. iOS 18 Beta 4 Release:
- Apple has released the fourth beta version of iOS 18 for developers and public beta testers.
- This update includes several new features and improvements, including updates to the Messages app, Wallet, and the Health app.

2. Messages App Enhancements:
- The Messages app has received a few updates, including the ability to unsend and edit sent messages.
- Users can now also recover recently deleted messages and take advantage of improved search functionality within the app.

3. Other Notable Changes:
- The Wallet app has been updated with support for additional types of ID cards and transit passes.
- The Health app has been enhanced with new features for tracking medications and managing health data.
- Overall, this iOS 18 beta 4 release focuses on refining the user experience and introducing new functionality across various system apps.