• iOS 18 Developer Beta 3 introduces several new features and improvements to Apple's iPhone platform. One of the notable changes is the addition of a new "Fitness" app, which allows users to track their fitness activities and monitor their health data directly on their iPhone. The update also includes improvements to iMessage, such as the ability to edit and unsend messages, as well as new customization options for the Lock Screen.

• The article highlights the introduction of a new "Medications" feature in iOS 18, which enables users to manage and track their medication schedules directly on their iPhone. This feature is designed to help users stay on top of their medication regimen and receive reminders when it's time to take their pills. Additionally, the update includes enhancements to the Wallet app, allowing users to store and access their digital IDs, such as driver's licenses, more conveniently.

• The article also mentions the improvements made to the Maps app in iOS 18, including the addition of new transit features and more detailed city maps. Users can now access real-time transit information and plan their journeys more efficiently. Furthermore, the update introduces new privacy-focused features, such as the ability to share your location with apps only while you're using them, and improvements to the overall security and performance of the iOS platform.