Originally published on AppRanker .

The Xcode 27 requirement lands in April 2027, and it is not just "bump Xcode and archive." From that month, App Store Connect rejects uploads built with older SDKs, your iOS minimum moves to 15, and the Info.plist key that kept your app out of Liquid Glass stops doing anything. Here is what changes, the commands to audit each app in a few minutes, and a month-by-month plan so the cutoff never blocks a hotfix.

What Apple actually requires

Apple announced the rule on September 9, 2026, the same day iOS 27 submissions opened. It applies to every upload , TestFlight builds included, not just App Store releases.

Platform From April 2027

iOS and iPadOS iOS & iPadOS 27 SDK or later, deployment target iOS 15 or later

tvOS tvOS 27 SDK or later

visionOS visionOS 27 SDK or later

watchOS watchOS 27 SDK or later

macOS apps are not on the list. The exact day has not been published, and an Apple DTS engineer declined to give one on the developer forums.…