Meet the new MetricKit

A Podkey summary of Meet the new MetricKit, from WWDC 2026.Apple gave MetricKit a pretty major overhaul in iOS 27, and this one matters if you care about app performance in the real world, not just in a lab. The big shift is a Swift-first API, richer diagnostics, and a new way to tie performance data to what the app was actually doing at the time. So instead of just seeing that something was slow or memory-heavy, developers can get much closer to why, where, and under which app state it happened.A rebuild, not a touch-upWhy contextual metrics are the real headlineDesigning states so the data stays usefulCheck your work before shippingNew visibility into frame rate and responsivenessMemory failures get a lot less mysteriousLaunch times, but with actual shapeHow the reports are structuredWhy the backend story mattersThis podcast was created with Podkey. Make your own at https://podkey.fm