iOS 26.4.1 Update Fixes iCloud Data Syncing Bug The latest iOS update, version 26.4.1, is now available. While the release notes were brief, a thread on the developer forums reveals that it addresses a significant bug related to iCloud data syncing. Developers had reported that iPhones running iOS 26.4 were experiencing issues with iCloud change notifications, affecting cloud data sync for apps using the CloudKit framework, such as Apple's Passwords app. The new iOS 26.4.1 update resolves this problem. The iCloud syncing issue had been causing problems for third-party apps like Drafts that rely on CloudKit. Changes made on one device were not syncing automatically to other devices. Apple has now fixed this issue with the latest update. Not only third-party apps were affected, but also some Apple services like the shared passwords feature in the Apple Passwords app were impacted by the bug. If you've been experiencing data syncing issues on your iPhone running iOS 26.4.0, it's recommended to update to iOS 26.4.1. The bug also affected iPadOS 26.4.0, but macOS Tahoe 26.4 was not affected. To update your device, go to Settings -> General -> Software Update and install iOS 26.4.1. For beta program members, the issue has been resolved in iOS 26.5. FTC: We use income earning auto affiliate links. More.