what was released in 2015

In 2015, Apple released several notable products and updates, including:

1. Apple Watch: The first generation of the Apple Watch was released, marking Apple's entry into the wearable technology market.
2. iPhone 6s and 6s Plus: These models introduced 3D Touch, a pressure-sensitive screen technology.
3. iPad Pro: The first iPad Pro was launched, featuring a larger 12.9-inch display and support for the Apple Pencil.
4. Apple Music: Apple's music streaming service was introduced.
5. iOS 9: This version of iOS brought improvements in performance, battery life, and new features like a smarter Siri and multitasking for iPad.
6. OS X El Capitan: The update focused on performance improvements and user experience enhancements for Mac users.

For more detailed information on recent updates and technologies, you can refer to the sessions from WWDC 2024, such as:

• Platforms State of the Union for an overview of new features across Apple's platforms.
• What’s new in USD and MaterialX for advancements in 3D content creation technologies.
• Use HDR for dynamic image experiences in your app for updates on HDR imaging standards and technologies.

These sessions provide insights into the latest developments and tools available for developers working within the Apple ecosystem.