Apple has confirmed that some users may be experiencing slowness when using iCloud, iMessage, Photos, and more.
A total of 11 services are currently suffering from this problem which began around 9:43am. Here's a list of the services affected:
● iCloud Bookmarks & Tabs – Issue
Today, 9:43 AM – ongoing
Some users are affected
Users may be experiencing slower than normal performance with this service.

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