what are the things that introduced in WWDC25?

At WWDC25, Apple introduced several exciting updates and features across its platforms:

New Design with Liquid Glass: A major design update called Liquid Glass was introduced, which scales beautifully across apps and platforms, enhancing user experience with a sense of fluidity and focus on content.
Apple Intelligence: This includes on-device large language models that provide powerful, fast, and privacy-focused intelligence, even when offline. It also integrates generative intelligence into Xcode for predictive code completion and natural language interaction with code.
macOS Tahoe: This release features a new design, continuity experiences, and productivity enhancements. It will be the final release for Intel Macs, marking a complete transition to Apple Silicon.
VisionOS 26: An expansive update to VisionOS was announced, building on the capabilities of Apple Vision Pro.
iPadOS 26: This release includes a new design, enhanced productivity features, and integration of Apple Intelligence for seamless communication and supercharged shortcuts.
WatchOS 26: Introduces a new design with Liquid Glass, more intelligent messaging, and new gestures.
TVOS 26: Features a new design with Liquid Glass, enhancing the visual experience on Apple TV.
Foundation Models Framework: Allows developers to use Apple's models for responses in plain text or structured Swift Data.
Updates to Swift and SwiftUI: Enhancements to these frameworks further expand app performance and capabilities.
Device Management and Identity: Improvements in device management and identity integrations, including easier migration between MDM servers and new sign-in capabilities using iPhone or Apple Watch.

These updates reflect Apple's continued focus on design, intelligence, and seamless integration across its ecosystem.