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I see this in Tahoe Beta release notes macOS now supports the Apple Sparse Image Format (ASIF). These space-efficient images can be created with the diskutil image command-line tool or the Disk Utility application and are suitable for various uses, including as a backing store for virtual machines storage via the Virtualization framework. See VZDiskImageStorageDeviceAttachment. (152040832) I'm developing a macOS app using the Virtualization framework and need to create disk images in the ASIF (Apple Sparse Image Format) to make use of the new feature in Tahoe Is there an official way to create/resize ASIF images programmatically using Swift? I couldn’t find any public API that supports this directly. Any guidance or recommendations would be appreciated. Thanks!

Hi! I recently had an idea to build an iOS app that allows users to create a system-level block of specified web domains by curating a blacklist on their device. If the user, for instance, inputs *example.com to their list, their iPhone would be blocked from relaying that network traffic to their ISP/DNS, and hence return an error message (iPhone can't open the page because the address is invalid) instead of successfully fetching the response from example.com's servers. The overarching goal of this app would be to allow users to time-block their use of specified websites/apps and grant them greater agency over their technology consumption, and I thought that an app that blocks traffic at the network level, combined with the ability to control when to/not to allow access, would be a powerful alternative to the existing implementations out there that work more on the browser-level (eg. via Safari extension, which is isolated to the scope of user's Safari browser) or via Screen Time (which can be easy to bypass

We are encountering a build and archive failure in Xcode after updating our development machine to macOS 26.2. Environment: macOS: 26.2 Xcode: 16.2 iOS Deployment Target / Runtime: iOS 18.5 App Type: Production iOS app (App Store distribution) Issue: Before updating macOS, the project built and archived successfully. After the macOS 26.2 update, archiving fails consistently, even though no major changes were made to the project code or configuration. Certificates, provisioning profiles, and signing settings are correctly configured. The issue appears to be related to the macOS/Xcode environment rather than application logic. Steps to Reproduce: Open the existing iOS project in Xcode 16.2. Select the App Store distribution scheme. Attempt to Archive the project. Archive/build fails. Expected Result: Successful archive allowing upload to App Store Connect. Actual Result: Archive fails after macOS 26.2 update. Additional Info: This post is linked to Apple Developer Technical Support Case-ID: 18413014.

Hi! I would like to experiment with the Accessory Setup Kit, but I am not sure how I can add the required entitlement to my Apple Developer account. I added the following to the plist file: NSAccessorySetupKitSupports WiFi NSAccessorySetupWiFiSSIDPrefix test_ test And the following to the entitlements file: com.apple.developer.accessory-setup-kit But I am unable to build as my provisioning profile doesn't include com.apple.developer.accessory-setup-kit entitlement. On the developer portal, I navigated to “Certificates, Identifiers & Profiles” > “Identifiers” > “”, but I don't see it under Capabilities or App services, nor under requests. How do I configure my profile so that I am able to make use of this kit?

Hi there! I paid for my Apple Developer Program/Account but its still pending. Any tips what to do? Thanks!

I have a question regarding the behavior of AVAudioSession.sharedInstance().outputVolume. Observed behavior: When the app is in the foreground, I read audioSession.outputVolume (for example, 0.1). The app is then moved to the background. While the app is in the background, the user changes the system volume using the hardware buttons (for example, to 0.5). When the app returns to the foreground, audioSession.outputVolume still reports the previous value (0.1). From my testing, outputVolume only seems to update when the system volume is changed while the app is in the foreground. Volume changes made while the app is in the background are not reflected when the app returns to the foreground. Questions: According to Apple’s documentation for AVAudioSession.outputVolume: “The systemwide output volume set by the user.” https://developer.apple.com/documentation/avfaudio/avaudiosession/outputvolume However, based on our testing on iOS 18.6.2 and iOS 18.1, the observed behavior seems to differ from this desc