Conditionally import a framework (such as Speech) based on iOS Version in Swift?

You need to use

#if canImport(YourFramework)
import YourFramework
#endif

instead of @available now, after setting your framework as optional :-)

You can make the Framework optional (details and image from Ray Wenderlicht):

Making a framework optional

This, combined with your use of @available, should prevent the system from trying to load it on the devices where it is not available.

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