API Differences in Foundation in macOS 26.1

It's more difficult than it used to be to find what changed in Apple SDKs. This page is automatically generated and shows what is new in Foundation in the macOS 26.1 SDK.

Table of Contents

Properties & Constants

URLRequest
public var allowsUltraConstrainedNetworkAccess: Swift.Bool
NSURLRequest
@property(atomic, readonly) BOOL allowsUltraConstrainedNetworkAccess;
NSMutableURLRequest
@property(atomic, assign, unsafe_unretained, readwrite) BOOL allowsUltraConstrainedNetworkAccess;
NSURLSessionConfiguration
@property(atomic, assign, unsafe_unretained, readwrite) BOOL allowsUltraConstrainedNetworkAccess;
@property(atomic, readonly, getter = isiOSAppOnVision) BOOL iOSAppOnVision;

Enum Cases

NetworkUnavailableReason
case ultraConstrained

Functions & Methods

- (BOOL)isiOSAppOnVision;