I published a full migration guide on idiotswithios.com and wanted to cross-post the key highlights here — because the April 28 deadline is real , and I've already seen teams caught off guard by how much has changed. Apple now requires all new App Store submissions and updates to be built with the iOS 26 SDK . Miss the deadline, and your next update gets rejected. Your existing app stays on the store — but you can't push a single update until you're compliant. Here's a quick rundown of the 7 steps the full guide covers. Step 1 — Update to Xcode 26 Everything starts here. You can't build with the iOS 26 SDK without Xcode 26 or later. Verify your install: xcodebuild -version # Xcode 26.0 Enter fullscreen mode Exit fullscreen mode If you use CI/CD (Xcode Cloud, Bitrise, GitHub Actions) — update your build agents too. A passing local build with a stale CI pipeline will block your App Store submission. Step 2 — Fix Deprecated APIs This is where most of the work is. Open your project in Xcode 26 and build.…