> iOS 11 adds a new sync system for your Safari Bookmarks and Reading List to provide better syncing and security.
> Migration to the new sync system occurs silently after all the devices signed in to your iCloud account are running iOS 11. (22936727)New Issues
> [Apple releases iOS 11 beta 2 to developers | 9to5Mac]( https://9to5mac.com/2017/06/21/apple-ios-11-beta-2/
- [Safari iCloud sync between iOS 11 and iOS 10 | Apple Developer Forums]( https://forums.developer.apple.com/thread/79930
- [iCloud Bookmarks : iOS11]( https://www.reddit.com/r/iOS11/comments/6iaulz/icloud_bookmarks/