Dive into lazy stacks and scrolling with SwiftUI

A Podkey summary of Dive into lazy stacks and scrolling with SwiftUI, from WWDC 2026.Today’s thread is SwiftUI lazy stacks, and a lot of it comes down to one simple fact: lazy stacks are smart, but they’re guessing more often than people realize. That guesswork shows up in scroll position, visibility rules, performance, state, and even whether a view vanishes a little too early. The good news is most of the fixes are pretty practical once you know what the stack is actually doing under the hood.Why content height keeps shiftingNested lazy stacks can save real workThe scroll transition trapBetter visibility trackingWhy conditional leaf views cost more than they seemPrefetching is there to help youState inside recycled views won’t stickProgrammatic scrolling works best when the stack can reason cheaplyThe bigger patternThis podcast was created with Podkey. Make your own at https://podkey.fm