Type Property


The revision of the latest request for the particular SDK linked with the client application.


class var defaultRevision: Int { get }

See Also

Determining the Revision

protocol VNRequestRevisionProviding

A protocol for specifying the revision number of Vision algorithms.

class var currentRevision: Int

The current revison supported by the request.

class var supportedRevisions: IndexSet

The collection of currently-supported algorithm versions for the class of request.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software