I am using Screen Time with "Block Limited Websites." For the most part it works, but...
Despite putting "Frame.io" and "api.apple-cloudkit.com" repeatedly in the "Approved" list, a message still appears showing that it is blocked. Please fix or show a resolution. Thank you!
Is this on the iOS 18 beta, or is it something to do with an app that you're developing? If neither, your question is more of a product support one, so I'd suggest you ask it over at the Apple Support Forums.
These are the Developer Forums, where developers of apps for Apple's platforms ask each other for hints and tips on coding their own apps.
If it's on the betas, can you show us a screenshot of what you're entering?