💡Fix iCloud Sync Issues with initializeCloudKitSchema

fatbobman ( 东坡肘子)
3 min readJan 13, 2025

TL;DR: Use `initializeCloudKitSchema` to resolve iCloud sync issues in Core Data or SwiftData. Call it after enabling sync or updating the data model, then comment it out for future stability.

Background

In iOS development, when implementing iCloud data synchronization using Core Data or SwiftData, developers often encounter incomplete data sync issues. While some operations sync correctly, newly created data may fail to appear in the cloud. This issue is frequently related to the initialization of the CloudKit schema.

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Why Use initializeCloudKitSchema?

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fatbobman ( 东坡肘子)
fatbobman ( 东坡肘子)

Written by fatbobman ( 东坡肘子)

Blogger | Sharing articles at https://fatbobman.com | Publisher of a weekly newsletter on Swift at http://weekly.fatbobman.com

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