Xcode 26.5 RC is out. It is not a landmark release, but if you ship subscription apps or work across Swift, SwiftUI, or web views, there is enough here to warrant attention before you push your next build. Here is what matters. The App Store Deadline You Cannot Miss Before getting into features — if you have not already done this, stop and do it now. Starting April 28, 2026 , all new apps and app updates uploaded to App Store Connect must be built with the iOS 26 SDK or later (and the equivalent SDKs for tvOS, visionOS, and watchOS). If your CI/CD pipeline is still on Xcode 16, it will start rejecting your submissions. Update your build environment to Xcode 26 immediately. StoreKit: The Headlining Addition The most substantive developer-facing change in 26.5 is a set of new StoreKit APIs built around monthly subscriptions with a 12-month commitment billing plan — a billing configuration Apple introduced in App Store Connect. If your app monetizes via subscriptions, this is the update for you.…