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I’m currently working on a macOS application to control a USB camera’s optical zoom via a direct USB connection. My situation: I am using a USB camera that supports optical zoom. I downloaded an open-source project, CameraController. The prebuilt binary provided on GitHub works perfectly, and I can successfully control the camera’s optical zoom. However, when I build and run the same project from source in Xcode, the zoom control UI appears disabled (grayed out). The project compiles without errors. Additionally, I attempted to implement zoom control myself using the UVC protocol in Swift . However, it seems that the zoom control commands are not successfully sent or recognized by the camera. Questions: Why would the prebuilt app work, but the same source code built locally results in disabled zoom controls? Are there known limitations on sending zoom control requests via USB on macOS? Is there a recommended modern approach for controlling optical zoom programmatically via Swift? Any insights, debugg

Hello, I’m experiencing an issue with auto-renewable subscriptions in App Store Connect and would appreciate any guidance. I have created two subscriptions (monthly and yearly), and all required metadata appears to be fully completed: pricing (price tiers set and saved) availability (countries selected) localization (titles and descriptions added) App Review screenshot uploaded However, both subscriptions remain in the “Missing Metadata” status, and the “Submit for Review” option is not available. Because of this, I am unable to attach the subscriptions to my app version and proceed with App Review (Guideline 2.1(b) - App Completeness). What I have already tried: re-saving all fields multiple times re-uploading the App Review screenshot verifying pricing and availability checking localization reviewing introductory offers The issue persists. Has anyone encountered this before or knows what might be causing this status, even when all fields seem complete? Any help would be greatly appreciated. Thank y

Hi, We are trying to integrate Metric Kit into our MacOS Application. Our application is a background process. We are interested in getting CPU and Memory metrics for our process. MXMetricPayload is the one we are looking at. We tried to integrate metric Kit and left the background app for 24 hours, we did not get any callback. So, does metric kit work for background app in MacOS? Also does it for Network Extension?

Prerequisites We plan to sell non-consumable items via in-app purchases. The app includes a restore button. We understand that after a payment is completed on a smartphone, the server must verify the receipt and activate the item in the database, and the app must then execute the transaction finish process. Due to our app’s constraints, there are specific cases where we must execute the transaction finish process on the app side without first performing the item activation process in the database. We do not know exactly what the transaction finish process entails. Questions What are the implications in the following cases? The payment was completed, but the product activation process in our database failed, and the transaction finish process was not executed on the app side. After restarting the app, an OS notification indicating an incomplete transaction appeared, and only the finish process was executed. In this scenario, we assume that the OS n

Since I have changed of iPhone (yesterday) to run my draft application, I systematically, and instantaneously get a message The application failed to launch., i.e. the application successfully built and was downloaded to the new iPhone (Iphone 17 pro - iOS 26.4). I have checked that this new iPhone is well registered on my list of authorized devices. Could you help me to fix this issue ? Here is the verbose attached to the failure: The application failed to launch. Domain: com.apple.dt.CoreDeviceError Code: 10002 User Info: { BundleIdentifier = com.laurent-guise.ble-laser; DVTErrorCreationDateKey = 2026-03-30 07:59:46 +0000; IDERunOperationFailingWorker = IDELaunchCoreDeviceWorker; } The request to open com.laurent-guise.ble-laser failed. Domain: FBSOpenApplicationServiceErrorDomain Code: 1 Failure Reason: The request was denied by service delegate (SBMainWorkspace). User Info: { BSErrorCodeDescription = RequestDenied; FBSOpenApplicationRequestID = 0x3868; } The operation couldn’t be complet

Hi everyone, I am looking for some guidance on a delayed review for a new app launch. Our app, Vibe: Real-Time Social Radar (App ID: 6758596460), has been stuck in the Waiting for Review status since March 22nd. Here is the context: It is version 1.0.1. Prior to March 22, we had removed our submission a few times to fix minor metadata issues before the review started. I understand this resets our place in the queue. We have just submitted an Expedited Review request due to an upcoming launch deadline. My question: Does removing a submission multiple times trigger an automated spam hold or push the app into a longer Senior Review queue? Is there anything else I can do via App Store Connect to ensure the reviewer has what they need, or do I just need to wait for the Expedited Review team to respond? Any insights from developers who have experienced a similar delay recently would be greatly appreciated!

I have a few feasibility questions regarding health data processing on iOS, related to HealthKit and system capabilities: Background Health Data Collection Can an iOS app continuously collect and process health data in the background, including: Collecting health data from the Health app while the device is locked or in sleep mode Triggering user notifications when anomalies are detected in health data processing Are there any technical limitations? Do these capabilities require specific enterprise qualifications or additional fees? 2. Emergency Contacts Integration Can an app write or modify the system’s built-in Emergency Contacts (Medical ID)? If a user updates Emergency Contacts in iOS Settings, can the app receive a change notification or access the updated data? 3. Automated Alerting for Health Metrics Beyond Apple’s fall detection, can abnormal health metrics (heart rate, irregular rhythm, blood oxygen, etc.) trigger automated alerts such as SMS to preset emergency contacts—w

Hi, I submitted a Family Controls (Distribution) entitlement request for my app Faith Lock (com.faithlock.ios) - a prayer-focused iOS app that uses the Screen Time API to help users block distracting apps. I received an approval email, but the portal still shows the request as Submitted and the Distribution option does not appear under Additional Capabilities for my identifier. This is blocking me from submitting to App Store Connect. Details: Bundle ID: com.faithlock.ios Team ID: F86P575UNP Request IDs: 3PWTDR8KL3 / 885ZK276KK Status in portal: Submitted (unchanged since approval email) Has anyone experienced this? Is there a way to get the portal manually updated to reflect the approval? Any help or escalation from a DTS engineer would be greatly appreciated. Thank you.

We are integrating Sign in with Apple for our web application and have been stuck on an invalid_client error during the token exchange step. The Problem The authorization step works fine — the user authenticates on Apple's page and a valid authorization code is returned to our callback URL. However, when we exchange that code at https://appleid.apple.com/auth/token, it returns: {error: invalid_client} The Puzzling Part When we send a dummy/expired authorization code with the exact same client_id and client_secret, Apple returns: {error: invalid_grant, error_description: The code has expired or has been revoked.} This confirms that our client credentials (client_id + client_secret JWT) are valid and accepted by Apple. The invalid_client error only occurs when a real, freshly-issued authorization code is used. Configuration Service ID configured with Sign in with Apple enabled Primary App ID with Sign in with Apple capability enabled Domain verified, Return URL registered Key created with Sign in with Apple ena