Checkout Kit’s preloading feature is not compatible with the upcoming release of iOS 26. This incompatibility will prevent buyers from completing their checkout process within the app. If no action is taken, customers using devices with iOS 26 will encounter blank checkout pages and will be unable to finalize their purchases.
This is a companion discussion topic for the original entry at https://shopify.dev/changelog/upgrade-to-the-latest-version-of-checkout-kit-to-avoid-issues-with-ios-26