提交App Store遇ITMS-90725错误：已使用Xcode13.2.1却提示基于iOS14.4 SDK构建

Hey there, let's troubleshoot this frustrating issue together—your setup should support building with iOS 15.2 SDK, so let's dig into the settings that might be stuck on iOS 14.4:

1. Verify Project-Level Build Settings #

• Open your project in Xcode, select the top-level project file in the left navigator.
• Switch to the Build Settings tab, then search for Base SDK.
• Ensure the value is set to iOS 15.2 (or "Latest iOS"—but manually selecting 15.2 eliminates ambiguity).
• Double-check your iOS Deployment Target here too; this can be lower than 15, but the Base SDK must be 15+.

2. Check Target-Specific Settings (Critical!) #

Don't overlook individual targets—this is a common pitfall:

• Select each target in your project (main app, extensions, widgets, etc.) one by one.
• Navigate to their Build Settings and search for Base SDK. Confirm it's set to iOS 15.2 for every target.
• Sometimes project-level changes don't propagate to all targets automatically.

3. Clear Build Caches Completely #

Old cached build artifacts might be clinging to the iOS 14.4 SDK:

• Use Cmd + Shift + K to clean the project's build folder.
• Follow that with Cmd + Option + Shift + K to delete all Derived Data for the project.
• For a thorough clean, manually delete the Derived Data folder at ~/Library/Developer/Xcode/DerivedData (find your project's subfolder and remove it).

4. Refresh Third-Party Dependencies #

If you use CocoaPods, Carthage, or other tools, dependencies might be compiled with the old SDK:

• For CocoaPods: Run pod deintegrate in your project directory, then pod install to rebuild all dependencies with your current Xcode version.
• Check the podspec files or build settings of any custom dependencies to ensure they don't hardcode an older Base SDK.

5. Validate the Built App's Metadata #

After building, confirm the SDK version actually used:

• Right-click your .app file in the Xcode Products folder, select Show in Finder.
• Right-click the .app file, choose Show Package Contents, then open Info.plist.
• Look for the DTPlatformVersion key—its value should be 15.2. If it's still 14.4, your build is still using the old SDK.

6. Confirm Xcode's SDK Installation #

Make sure Xcode 13.2.1 has the iOS 15.2 SDK installed:

• Go to Xcode > Preferences > Locations and verify Command Line Tools is set to Xcode 13.2.1.
• Navigate to /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/ in Finder—you should see the iPhoneOS15.2.sdk folder here.

Since your 2015 iMac running macOS Big Sur 11.6.4 fully supports Xcode 13.2.1, the system itself isn't the issue. Start with checking target-level Base SDK settings—this is the most frequent culprit!

内容的提问来源于stack exchange，提问作者Ray Yen