WWDC 2026 · Session details
Profile, fix, and verify: Improve app responsiveness with Instruments

About this session
Tackle app responsiveness issues with a clear workflow. Explore the Swift Concurrency instrument, Time Profiler, and System Trace to pinpoint bottlenecks. Discover how to use top functions and run comparisons to measure your improvements and confirm your fixes. And learn about other enhancements in Instruments which make each iteration of this cycle faster than ever, so you can deliver a smoother user experience in less time.
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