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iPhone 16 pro

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iPhone 17, IOS 26 - No option to enable ‘Processor Trace’
According to the documentation for Processor Trace, it should be available on the iPhone 16 or later. Going off of the Optimize CPU performance with Instruments WWDC session, the toggle for it should be under Developer > Performance, but I don’t see this option anywhere on my iPhone 17. I can’t run a Processor Trace in Instruments without this feature turned on, because it claims my iPhone’s CPU is unsupported. Has anyone else managed to enable Processor Trace on the A19 chips?
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new font warnings spamming my logs
Hi, I recently upgraded my device OS to 26.0 and XCode is on Version 26.0.1 (17A400) My XCode log is getting spammed with these types of errors all of a sudden. And filtering is so limited (filter a single item at a time) I can't remove them. It says to file a bug, can you folks PLEASE fix this it is making debugging really hard with all its noise. Unable to update Font Descriptor's weight to Weight(value: 0.3): UICTFontDescriptor <0x110e40180> = { NSFontNameAttribute = SF Pro Display; NSFontSizeAttribute = 16; } - SwiftUICore/Logging.swift:84 - please file a bug report. and UICTFontDescriptor <0x1181062e0> = { NSFontNameAttribute = Inter Display; NSFontSizeAttribute = 28; } - SwiftUICore/Logging.swift:84 - please file a bug report.
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Could not download app from App Store or TestFlight after macOS 26 upgrade
After upgrading to macOS 26, I cannot install or update my app from either the App Store or TestFlight. Other apps update and install normally. Steps: Before upgrading, the app was installed via TestFlight and worked fine. After upgrading, I tried to update the app from the App Store: The update stalls at ~90% and never completes. Other apps update successfully. I launched the already-installed TestFlight version — it worked. After deleting the app, I tried reinstalling from TestFlight and got the error: “The app couldn’t be downloaded. Try again.” I tried rebooting, logging out/in of my Apple ID, and submitting a new TestFlight build — same issue. Environment: Originally built with Xcode 14 Also tried a new build with Xcode 16 App is compatible with macOS 26. Distribution outside the App Store (Developer ID signed and notarized build) runs fine
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Reply to How to enable the "Paste and Match Style" context menu in a UITextView?
Thanks. I got so focused on getting this added to the context menu I forgot about the “Paste and Match Style” item appearing in the Edit menu bar. Of course that only helps with the iPadOS 26 and Mac Catalyst versions of the app. For iPhones and for iPads on iPadOS before 26, my only option is to use the context menu. I guess I’ll stick with my buildMenuWithBuilder: approach.
Topic: UI Frameworks SubTopic: UIKit Tags:
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Reply to I have a problem
Hello hah007, I have been in a similar starting point early this week, and everything went fine thanks to the Apple teams (the French ones) in about 48 hours, from the point where I had everything ready on my side. I would give the following advice: Slow down, double check your list of items. If you are just starting, there is a tremendous lot of things to learn to get in the Apple ecosystem. May be you did not get an answer because you asked in the wrong place ? As an example, you may have noticed you asked for help in the accessibility and inclusion forum, which is not about giving you access but about features intended for people with disabilities. ask for support directly, live on the phone. For me they called back in less than a minute, and were really helpful and empathetic. Try it here: https://developer.apple.com/contact/topic/select
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Custom font ok on iOS, fuzzy on OSX
Hi! I am adding MacOS to a SwiftUI based multiplatform app in XCode, and have noticed an effect on the OTF font I am using. When started for a MacOSX target, the font looks a bit fuzzy, or too bold for the same display: Above is the display running in an iPhone 13 mini simulator, below the macOS version running for the My Mac target. The font is in both cases just fetched with static let tkDisplayFont = Font.custom(Segment7Standard, size: 38) Same applies in dark mode: This makes the numbers and especially the decimal point a bit harder to read. The same happens with the system font, but it is not such a problem there: I guess this is handled a bit differently between UIFont and NSFont underneath. Is there a way to tell the font to behave the same way as on iOS?
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Push notifications don't deliver when device is idle on iOS 18.7 and 26.0
There's a list of bug reports: FB19778882 FB19813796 FB19852724 FB19767262 FB20378888 FB20379383 FB20394663 Me and many other users have issue with push notifications. To reproduce this you should do this steps: Lock iPhone and make it idle for 10+ minutes; Send any message from other device via third-party app that uses push notifications (WhatsApp, Telegram and etc.); After few attempts you can see, that messages don't deliver. They delivers immediately when I unlock iPhone or go to the app. This bug reproduces on iOS 18.7 and 27. As I think iPhone goes to deep sleep after 10+ minutes after it locked and don't get push notifications. I've tried everything: many of settings, DFU without backup, but nothing helps to resolve this issue. Pay attention, please, cause this bug is very annoying and present on iOS 18.7 (that is the last for many devices) and latest iOS 26. Thanks!
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Is there a resource available that lists all the AVCaptureDevices for each iPhone model?
I want to fully support the new iPhone models in my app, and ideally need to know the available lenses. However, I can't find information about this on the web and they're not reported in the simulators. The closest thing I found was this, but it's very out of date. https://developer.apple.com/library/archive/documentation/DeviceInformation/Reference/iOSDeviceCompatibility/Cameras/Cameras.html My only other option is to buy each device, which isn't really feasible, or to log the data from real users via an analytics tool which isn't ideal either. Thanks, Alex
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Reply to Apple Intelligence language
I can confirm the behavior and want to add the developer perspective. I build an app that uses Apple’s on-device Foundation Models (with a Core ML fallback). When the device UI is set to Catalan, Apple Intelligence is disabled, so the Foundation Models APIs report unavailable. This blocks my app from handling prompts in English or Spanish even when the user explicitly selects those languages in-app. Developer impact • I must ship separate code paths and degrade features based on UI language, not user intent. • Users who prefer a Catalan UI lose on-device, privacy-preserving LLM features, so I am forced to route to cloud or third-party SDKs. • QA complexity rises because availability hinges on language toggles and reboots, as the bug report here illustrates. Repro (app context) 1. Set iPhone language to Catalan. 2. Call Foundation Models API from the app. availability reports not available. 3. Switch device language to Spanish. Availability often remains “unavailable” until reboot. 4. After reboot, av
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Reply to Tap To Pay Entitlement Not Working
Hi @rsingh05, Since you are not using automatic code signing, I do not have all of the information I need to begin investigating the underlying cause of the errors. Please follow the steps described in the post below and reply here with the Feedback ID: Gathering Required Information for Troubleshooting Tap to Pay on iPhone App https://developer.apple.com/forums/thread/775784 Cheers, Paris X Pinkney |  WWDR | DTS Engineer
Topic: Code Signing SubTopic: Entitlements Tags:
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Reply to Calling webViewWebContentProcessDidTerminate on FOREGROUND and Safari and other browser. That happens only real iPhone
We've finally found a way to bypass the iPhone's loading crash issue. We split the culprit CSS file into multiple files, leaving only the minimal CSS links needed to display the splash screen, and lazy-loaded the rest within the framework after the page's onLoad event. This allowed the pages to load without crashing, and it worked for all three sites mentioned in this article. However, this issue isn't resolved. It's simply unacceptable that a DOS-era 360KB memory limit exists in 2025. This issue still needs to be addressed, and until it is, it will remain a blemish on the iPhone. In that spirit, we'll keep the three separate sites mentioned in the reply above available for reproduction, and we'll await Apple's official response in this thread. If anyone reading this thread agrees with this, please give it a boost.
Topic: Safari & Web SubTopic: General
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After uninstalling the app, ManagedSettingsStore.shield is still active — seems to be an Apple system behavior
I’m using the shielding API, my code: let store = ManagedSettingsStore() let whitelist = SharedDefaults.whitelistApplications store.shield.applicationCategories = .all(except: whitelist) And to clear the shield, my code is: store.shield.applications = nil store.shield.applicationCategories = nil The issue: Some users report that after uninstalling my app, the shield is still active, and the UI changes to the default iOS system interface. Even after restarting the device, the apps on the phone remains locked, so the user has no way to remove the shield. Recently I’ve received several complaints on social media and App Store comments, accusing my app of being malicious software. This is not a 100% reproducible bug, but it happens frequently enough. I was also able to reproduce it myself by uninstalling the app during an active lock session. Could Apple engineers please look into this issue and advise how to ensure that once the user uninstalls the app, the device is no longer locked?
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