The Requirement
Apple requires all new app submissions and updates to be built with the latest SDK version each year. For 2026, this means:
- iOS 26 SDK (included in Xcode 26) is required for all new app submissions starting fall 2026
- Existing apps must be updated with the iOS 26 SDK to submit any updates after the deadline
- Apps already on the store continue to work without changes, but you cannot push updates with an older SDK
This is Apple's annual cycle. They announce the new iOS version at WWDC (June), release it publicly (September), and enforce the new SDK requirement for submissions shortly after.
Timeline
| Date | Milestone |
|---|---|
| June 2026 | WWDC - iOS 26 announced, Xcode 26 beta released |
| June-September 2026 | Beta testing period for developers |
| September 2026 | iOS 26 public release |
| Late 2026 | SDK requirement enforced for all new submissions |
| Spring 2027 | Typically the deadline for app updates as well |
What Changes With iOS 26
While the exact features depend on Apple's announcements at WWDC 2026, based on Apple's recent trajectory, developers should expect changes in these areas:
Privacy and Security
- Expanded privacy manifest requirements
- Potential new permission categories
- Stricter background execution policies
- Enhanced App Sandbox requirements
UI and Design
- Updated Human Interface Guidelines
- New system components and design patterns
- SwiftUI enhancements and new APIs
- Potential deprecation of older UIKit patterns
Performance
- New mandatory performance thresholds
- Updated app launch time requirements
- Background process limitations
- Memory usage guidelines
Migration Steps
Step 1: Install Xcode 26
Download the latest Xcode 26 from the Mac App Store or Apple Developer portal. Ensure your Mac meets the system requirements (Apple typically drops support for older Mac hardware).
Step 2: Open Your Project in Xcode 26
Build your existing project and address any compiler warnings and errors:
- Fix deprecated API usage
- Update to new API replacements
- Resolve Swift compiler warnings
- Check for removed APIs
Step 3: Update Deployment Target
While you do not have to make iOS 26 your minimum deployment target (you can still support older versions), you must build with the iOS 26 SDK. Consider:
- What is your minimum supported iOS version?
- What percentage of your users are on older versions?
- Which new APIs do you want to adopt?
Step 4: Test Thoroughly
- Test on iOS 26 simulators AND physical devices running iOS 26
- Test backward compatibility on your minimum supported iOS version
- Pay attention to UI changes (system fonts, colors, and spacing may shift)
- Verify all third-party SDKs are compatible with iOS 26
Step 5: Update Third-Party Dependencies
This is often the biggest time sink:
- Check that all CocoaPods, SPM packages, and Carthage dependencies support Xcode 26
- Update SDKs that have released iOS 26 compatible versions
- File issues with maintainers of SDKs that have not updated
- Have contingency plans for SDKs that may not update in time
Common Migration Issues
Deprecated APIs
Apple regularly deprecates APIs, giving developers one to two years to migrate before removing them entirely. Check your code for deprecation warnings in Xcode 26 and prioritize replacing them.
Swift Version
Xcode 26 ships with a new Swift version. While Swift maintains source compatibility, some edge cases may require code changes, especially around concurrency and Sendable conformances.
Third-Party SDK Compatibility
The most common blocker for migrations. Start checking SDK compatibility as soon as the Xcode 26 beta is available. Do not wait until the deadline.
Signing and Provisioning
New Xcode versions occasionally change how code signing works. If you encounter signing errors after upgrading, try:
- Cleaning your build folder
- Recreating your provisioning profiles
- Checking for Xcode 26-specific signing requirements
Best Practices
- Start early - Begin testing with Xcode 26 beta as soon as it is available in June
- Maintain CI/CD - Update your build pipelines to use Xcode 26 early
- Monitor SDK updates - Follow your third-party SDK providers for compatibility announcements
- Do not wait for the deadline - Last-minute migrations under pressure lead to bugs
- Keep supporting older iOS versions - Not all users update immediately