API Differences in BackgroundAssets in iOS 26.0

ManagedDownloaderExtension

ManagedDownloaderExtensionConfiguration

AssetPack

AssetPackManifest

ManagedBackgroundAssetsError

public func backgroundDownload(_ download: BackgroundAssets.BADownload, didReceive challenge: Foundation.URLAuthenticationChallenge) async -> (Foundation.URLSession.AuthChallengeDisposition, Foundation.URLCredential?)

public func backgroundDownload(_ failedDownload: BackgroundAssets.BADownload, failedWithError error: any Swift.Error)

public func backgroundDownload(_ finishedDownload: BackgroundAssets.BADownload, finishedWithFileURL fileURL: Foundation.URL)

public func downloads(for request: BackgroundAssets.BAContentRequest, manifestURL: Foundation.URL, extensionInfo: BackgroundAssets.BAAppExtensionInfo) -> Swift.Set<BackgroundAssets.BADownload>

public func shouldDownload(_ assetPack: BackgroundAssets.AssetPack) -> Swift.Bool

public var configuration: some BackgroundAssets.ManagedDownloaderExtensionConfiguration

@_semantics("defaultActor") nonisolated final public var unownedExecutor: _Concurrency.UnownedSerialExecutor