Profile, fix, and verify: Improve app responsiveness with Instruments

Learn how Device Hub can accelerate your development workflows. We’ll take a tour of its features and show you how to diagnose and reproduce issues quickly with devices and simulators.

Learn how to fearlessly adopt Swift Testing alongside your XCTests using test framework interoperability. Discover best practices and patterns for incrementally introducing advanced testing features that accelerate development and increase coverage.

Private Cloud Compute lets you access powerful, frontier-class models while protecting user privacy. Explore how it works and how to access it using the Foundation Models framework. Discover best practices for checking availability and handling graceful fallbacks in your apps.

Harness App Attest to protect your app from unauthorized modification and fraud. Uncover how attackers exploit modified apps to spoof data and bypass security checks, and how App Attest defends against these threats. Learn to generate and manage App Attest keys bound to the Secure Enclave, validate attestations and assertions, and use the fraud metric to detect abuse. Discover best practices across all Apple platforms, including new signals in iOS 27 to strengthen your validation.