Publishing an iOS application to the App Store involves several important preparation steps in Xcode to ensure the app builds correctly and meets Apple’s submission requirements. Xcode is the main development environment used to build, sign, archive, and upload iOS applications to App Store Connect.

Before uploading a new build, developers should first confirm that the project compiles successfully. If the project uses external dependencies, it is important to ensure that all CocoaPods are installed and up to date. This can be done by navigating to the iOS project directory and running commands such as pod install or pod update. Keeping CocoaPods updated helps prevent build failures caused by missing or outdated libraries.

Another important step is updating the app’s Version and Build numbers in Xcode. These values can be found in the project settings under the General tab for the main app target. The Version number represents the public version of the app that users see in the App Store, such as 2.0.0. The Build number is used internally by Apple and must be increased with every submission. Even if Apple rejects a build or marks it as invalid, the build number must still be incremented before uploading a new version. Apple will not allow two uploads with the same build number.

Developers should also verify that the Bundle Identifier in Xcode matches the one registered in App Store Connect. The Signing & Capabilities section should be checked to ensure the correct Apple Developer Team is selected and that code signing is properly configured.

Additionally, the Info.plist file should be reviewed to confirm that all required privacy permission descriptions are included, such as camera or photo library usage descriptions. Missing purpose strings can cause Apple to reject the build during validation.

Once everything is verified, the app can be archived by selecting Product → Archive in Xcode. After the archive is created, the Organizer window allows developers to select Distribute App and upload the build to App Store Connect for processing and review. Following these steps helps ensure a smooth and successful app submission process.