SafariServices iOS 10.3 to 11.0 API Differences

SFAuthenticationSession.h
Added SFAuthenticationError
Added SFAuthenticationErrorCanceledLogin
Added SFAuthenticationErrorDomain
Added SFAuthenticationCompletionHandler
Added SFAuthenticationSession
Added -[SFAuthenticationSession initWithURL:callbackURLScheme:completionHandler:]
Added -[SFAuthenticationSession start]
Added -[SFAuthenticationSession cancel]
SFSafariViewController.h
Added SFSafariViewControllerDismissButtonStyle
Added SFSafariViewControllerDismissButtonStyleDone
Added SFSafariViewControllerDismissButtonStyleClose
Added SFSafariViewControllerDismissButtonStyleCancel
Added -[SFSafariViewController initWithURL:configuration:]
Added SFSafariViewController.configuration
Added SFSafariViewController.dismissButtonStyle
Added -[SFSafariViewControllerDelegate safariViewController:excludedActivityTypesForURL:title:]
Added -[SFSafariViewControllerDelegate safariViewController:initialLoadDidRedirectToURL:]
Modified -[SFSafariViewController initWithURL:entersReaderIfAvailable:]
AvailabilityReplacement
FromAvailablenone
ToDeprecated-initWithURL:configuration:

Modified SFSafariViewController.preferredBarTintColor
Declaration
From@property (nonatomic, nonnull) UIColor *preferredBarTintColor
To@property (nonatomic, nullable) UIColor *preferredBarTintColor

Modified SFSafariViewController.preferredControlTintColor
Declaration
From@property (nonatomic, nonnull) UIColor *preferredControlTintColor
To@property (nonatomic, nullable) UIColor *preferredControlTintColor

SFSafariViewControllerConfiguration.h
Added SFSafariViewControllerConfiguration
Added SFSafariViewControllerConfiguration.entersReaderIfAvailable
Added SFSafariViewControllerConfiguration.barCollapsingEnabled