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After my model was deployed to the cloud, I successfully downloaded the model collection through the beginAccessingModelCollectionWithIdentifier:completionHandler: API for the first time. Then I delete the app, install and fetch again, it will fail to download with timeout error.

The Core ML Model has been uploaded to Cloud. If the corresponding model in the project is not deleted, will it be automatically removed from the IPA package during packaging, thus reducing the volume of the package

Preconditions: The certificate has been opened to obtain third-party fonts 2, Use Installed Fonts is checked in Capabilities Problem scenario: In iOS/iPadOS 13 or later, after successfully installing custom fonts through third-party apps. Open your own APP through [UIFont familyNames] or CTFontManagerCopyAvailablePostScriptNames() Corresponding font data is not obtained. difference: The above questions can be correctly obtained in the following scenarios In the native software Apple Pages, it can be obtained normally In the same APP, get the font by using UIFontPickerViewController and select it for use. After that, you can get it through [UIFont familyNames] or CTFontManagerCopyAvailablePostScriptNames() normally, and the overwrite installation is also normal (the uninstall installation is gone).