what's new in wwdc2025? please tell me the details

At WWDC 2025, Apple introduced several exciting updates and innovations across its platforms:

New Design with Liquid Glass: A major design overhaul was introduced, featuring Liquid Glass, a material that combines the optical qualities of glass with fluidity. This new design scales across apps and platforms, enhancing user experience with more expressive and vibrant visuals.
Apple Intelligence: Apple unveiled on-device large language models that provide powerful, fast, and privacy-focused intelligence, even when offline. This allows apps to tap into advanced AI capabilities directly on the device.
macOS Tahoe: This release marks the final version for Intel Macs, focusing entirely on Apple Silicon. It features a new design, improved continuity experiences, and productivity enhancements.
VisionOS 26: Updates include new volumetric APIs, immersive media tools, and enterprise features, enabling groundbreaking spatial experiences.
Xcode and Swift Enhancements: Xcode now supports advanced coding models like ChatGPT, and updates to Swift and SwiftUI enhance app performance and capabilities.
WatchOS 26 and iPadOS 26: Both operating systems received design updates with Liquid Glass, new features powered by Apple Intelligence, and enhancements to user experience and productivity.
Metal and Gaming: New APIs and features in Metal enhance rendering for immersive apps, particularly on Vision Pro and macOS.

These updates reflect Apple's commitment to providing developers with powerful tools and technologies to create innovative apps and experiences across its ecosystem. For more detailed insights, you can explore sessions like the Platforms State of the Union and the Keynote.