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“iPhone 16 pro”

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`NEProxySettings.matchDomains` / `exceptionList` not working as expected in `NEPacketTunnelProvider` (domain-scoped proxy not applied, and exceptions not bypassed)
I’m working on an iOS Network Extension where a NEPacketTunnelProviderconfigures a local HTTP/HTTPS proxy usingNEPacketTunnelNetworkSettings.proxySettings. Per NEProxySettings.exceptionList docs: If the destination host name of an HTTP connection matches one of these patterns then the proxy settings will not be used for the connection. However, I’m seeing two distinct issues: Issue A (exception bypass not working): HTTPS traffic to a host that matches exceptionList still reaches the proxy. Issue B (domain-scoped proxy not applied): When matchDomains is set to match a specific domain (example: [googlevideo.com]), I still observe its traffic in some apps is not proxied. If I remove the domain from matchDomains, the same traffic is proxied. Environment OS: iOS (reproduced with 26.4 and other versions) Devices: Reproduced with several iPhones (likely iPads as well) Xcode: 26.3 Extension: NEPacketTunnelProvider Minimal Repro (code) This is the minimal configuration. Toggle between CONFIG A / CONFIG B to r
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1h
Is 18MP Front Camera Capture Available to Third-Party Apps via AVFoundation?
Hi, I'm investigating whether 18MP photo capture from the front camera on iPhone 17 Pro is available to third-party apps using AVFoundation. I first inspected all available AVCaptureDevice formats, but I could not find any format corresponding to ~18MP resolution (e.g., around 4896×3672). for format in device.formats { let desc = format.formatDescription let dims = CMVideoFormatDescriptionGetDimensions(desc) print(Format: (dims.width) x (dims.height)) } All reported formats appear to be limited to resolutions such as 4032×3024 (12MP) or below. Question: Is 18MP front camera capture actually available to third-party apps via AVFoundation on iPhone 17?
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1h
Reply to Inquiry Regarding USB Network Connectivity Between an iPad (Wi‑Fi Model) and an Embedded Linux Device
My understanding is that your accessory is presenting a network interface to iOS much like, say, an USB Ethernet dongle would. In that case I’d expect iOS to assign IP addresses to that interface as long as the interface claims that it’s up. You can prototype this with an USB Ethernet dongle: Connect the dongle via Ethernet to the Internet. And then connect it to iOS. Verify that iOS has network connectivity over the Ethernet. Disconnect it from iOS. Disconnect the Ethernet dongle from the Internet, but leave it connected to your switch so that the link status stays up. Reconnect it to iOS. You should see iOS bring up the interface with link-local IPv4 [1] and IPv6 addresses. Any app running on iOS should be able to communicate over that interface. For example, if you have a configure like this: iPhone | USB Ethernet | ----+----------------+--------------- isolated Ethernet | Mac | ---------------------+--------------- Wi-Fi to Internet Safari on the iPhone should be able to connect to a web
5h
IPhone fails to connect with Xcode in presence of multiple WebContentFilters
I am facing an intermittent problem where iPhones are failing to pair/connect with Xcode under Xcode -> Windows -> Devices and Simulators. This happens when more than one web content filters are present, for instance, I have my web content filter (FilterSockets true, FilterGrade Firewall) and there is also Sentinel One web content filter with same configuration. Note: We are not blocking any flow from remoted / remotepairingd / core device service / MDRemoteServiceSupport etc processes. But they do get paused and resumed at times for our internal traffic verification logic. So, we are trying to understand what impact our content filter may be having on this iPhone Pairing?? If we stop either one of the filters the problem goes away. I have tracked the network traffic to the phone, and it seems to be using a ethernet interface (en5/en10) over the USB-C cable. I can see endpoints like this: localEndpoint = fe80::7:afff:fea1:edb8%en5.54442 remoteEndpoint = fe80::7:afff:fea1:ed47%
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Reply to Clipboard issues with simulators
Using Xcode 26.5 Beta with iOS Simulator 26.5 Beta (iPhone 17 Pro), I tried to copy and paste text to the simulator. The paste menu now appears, but cannot paste the text. When pasting the text to the UITextField in my application while debugging, Xcode shows the following error ...requesting item failed with error: Error Domain=PBErrorDomain Code=13 Operation not authorized. UserInfo={NSLocalizedDescription=Operation not authorized.}
7h
Request for Official Draggable FCPXML Structure Specification for Workflow Extensions – Needed for Subtitle/Caption Generation Tools
Hi Apple Developer Forums and Final Cut Pro team, I am developing a Final Cut Pro Workflow Extension focused on speech-to-text / subtitle recognition and generation. The extension runs inside Final Cut Pro, analyzes clips, generates accurate subtitles (often hundreds of individual elements), and allows users to drag the generated subtitles directly back into the FCP timeline as a clean, editable Compound Clip or Storyline. We are implementing this drag-and-drop functionality using the official pasteboard mechanism (com.apple.finalcutpro.xml and versioned types such as com.apple.finalcutpro.xml.v1-10). While the high-level documentation is helpful: Supporting Drag and Drop for Data Sent to Final Cut Pro FCPXML Reference Designing Workflow Extensions There is still no detailed public specification for the exact internal XML structure that Final Cut Pro expects for a drag operation to reliably result in a usable Compound Clip (or direct Storyline insertion), especiall
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10h
UITextView cursor sometimes jumps up when pressing arrow down key and setting typingAttributes
My app uses TextKit 1 and unfortunately still cannot migrate to TextKit 2 because of some bugs (for instance in FB17103305 I show how NSTextView.shouldDrawInsertionPoint has no effect, but I opened that feedback exactly one year ago and it still has no answer). Unfortunately TextKit 1 has another bug which causes the text cursor to jump unpredictably up or down when pressing the arrow keys and setting UITextView.typingAttributes. Run the code below on iPhone 17 Pro Max Simulator. Scroll the text down until you see “Header 2”. Place the text cursor after “# “. Press the arrow down key twice to move the cursor two lines down. The cursor moves to the top of the view instead. Continuing to press the arrow keys up and down results in the cursor sometimes moving as expected, other times jumping around wildly. Does anyone know a workaround? I created FB22382453. class TextView: UITextView, UITextViewDelegate { override func awakeFromNib() { let _ = layoutManager delegate = self let header = textAtt
Topic: UI Frameworks SubTopic: UIKit Tags:
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16h
iPhone 16 Datasheet
I am trying to find a datasheet containing information such as Key Exchange / Key Agreement / Key Establishment Protocols Used, Digital Signature Algorithms Used, Hash Algorithms Used, etc. Any information would greatly appreciated.
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17h
Reply to Sporadic crash in xzm_main_malloc_zone_init_range_groups when spawning large binaries (macOS 26.3.1)
Thanks Quinn, that was exactly the right pointer. We traced through the disassembly of xzm_main_malloc_zone_init_range_groups on macOS 26.3.1 and correlated it with the open source in rel/libmalloc-792 (xzone_segment.c:1210-1250). Here's what we found: The CONFIG_MACOS_RANGES path computes: ptr_reservation_size = XZM_RANGE_SEPARATION + XZM_POINTER_RANGE_SIZE + XZM_RANGE_SEPARATION = 4G + 16G + 4G = 24 GiB ptr_start = 16GiB + (entropy % 736) * 32MiB It then calls mach_vm_map with VM_FLAGS_FIXED for 24 GiB at ptr_start. The 736 granules cover [16 GiB, 39 GiB), ensuring the reservation fits under the 63 GiB commpage limit. Why dylibs land above 16 GiB: The binary is a Chromium component-build test binary (browser_tests) that loads 516 Chromium dylibs plus system libraries (1543 images total). The main executable alone consumes 5.54 GiB of VA (4 GiB __PAGEZERO, 517 MiB __TEXT, 1.04 GiB __LINKEDIT). The 516 Chromium dylibs add another 10.19 GiB of aggregate VM (2.26 GiB __TEXT, 3.86 GiB __LINKEDI
21h
AVKit crash when rendering AVPlayerView controls — macOS 26.4 regression
Description Our app, Octory, allows users to create onboarding and communication workflows composed of slides containing various UI components, including embedded video players powered by AVPlayerView. Since macOS 26.4 Beta, the app crashes at launch whenever a workflow contains a video component. Workflows without video components load and render without issue, which points to a regression in AVKit's player control rendering pipeline. As anyone seen similar behaviour when using AVKit or is it something we do not do properly? Expected Behavior The app opens and renders the workflow, including the embedded video component. Actual Behavior The app briefly launches and immediately crashes with SIGABRT on the main thread. Crash Analysis Key takeaways for anyone investigating: Root cause — abort() inside NSImageSymbolConfiguration The crash occurs entirely within Apple frameworks, with no third-party code in the faulting call chain (aside from the app's entry point). The sequence is: AVPlayerItem finishes loading
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22h
Why doesnt the Media Manager tell which devices have the required proportions?
When launching an app, AppStore Connect has some very specific requirements to the media (screenshots) used for the store listing. Right now the primary screenshots requires a 6.5 inch size. This is fine, of course, but why doesnt it list which iphones has this size, so I dont have to google my way to this answer? Its such a small thing, but would help so much
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23h
`NEProxySettings.matchDomains` / `exceptionList` not working as expected in `NEPacketTunnelProvider` (domain-scoped proxy not applied, and exceptions not bypassed)
I’m working on an iOS Network Extension where a NEPacketTunnelProviderconfigures a local HTTP/HTTPS proxy usingNEPacketTunnelNetworkSettings.proxySettings. Per NEProxySettings.exceptionList docs: If the destination host name of an HTTP connection matches one of these patterns then the proxy settings will not be used for the connection. However, I’m seeing two distinct issues: Issue A (exception bypass not working): HTTPS traffic to a host that matches exceptionList still reaches the proxy. Issue B (domain-scoped proxy not applied): When matchDomains is set to match a specific domain (example: [googlevideo.com]), I still observe its traffic in some apps is not proxied. If I remove the domain from matchDomains, the same traffic is proxied. Environment OS: iOS (reproduced with 26.4 and other versions) Devices: Reproduced with several iPhones (likely iPads as well) Xcode: 26.3 Extension: NEPacketTunnelProvider Minimal Repro (code) This is the minimal configuration. Toggle between CONFIG A / CONFIG B to r
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0
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0
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2
Activity
1h
Is 18MP Front Camera Capture Available to Third-Party Apps via AVFoundation?
Hi, I'm investigating whether 18MP photo capture from the front camera on iPhone 17 Pro is available to third-party apps using AVFoundation. I first inspected all available AVCaptureDevice formats, but I could not find any format corresponding to ~18MP resolution (e.g., around 4896×3672). for format in device.formats { let desc = format.formatDescription let dims = CMVideoFormatDescriptionGetDimensions(desc) print(Format: (dims.width) x (dims.height)) } All reported formats appear to be limited to resolutions such as 4032×3024 (12MP) or below. Question: Is 18MP front camera capture actually available to third-party apps via AVFoundation on iPhone 17?
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10
Activity
1h
Reply to Inquiry Regarding USB Network Connectivity Between an iPad (Wi‑Fi Model) and an Embedded Linux Device
My understanding is that your accessory is presenting a network interface to iOS much like, say, an USB Ethernet dongle would. In that case I’d expect iOS to assign IP addresses to that interface as long as the interface claims that it’s up. You can prototype this with an USB Ethernet dongle: Connect the dongle via Ethernet to the Internet. And then connect it to iOS. Verify that iOS has network connectivity over the Ethernet. Disconnect it from iOS. Disconnect the Ethernet dongle from the Internet, but leave it connected to your switch so that the link status stays up. Reconnect it to iOS. You should see iOS bring up the interface with link-local IPv4 [1] and IPv6 addresses. Any app running on iOS should be able to communicate over that interface. For example, if you have a configure like this: iPhone | USB Ethernet | ----+----------------+--------------- isolated Ethernet | Mac | ---------------------+--------------- Wi-Fi to Internet Safari on the iPhone should be able to connect to a web
Replies
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Views
Activity
5h
IPhone fails to connect with Xcode in presence of multiple WebContentFilters
I am facing an intermittent problem where iPhones are failing to pair/connect with Xcode under Xcode -> Windows -> Devices and Simulators. This happens when more than one web content filters are present, for instance, I have my web content filter (FilterSockets true, FilterGrade Firewall) and there is also Sentinel One web content filter with same configuration. Note: We are not blocking any flow from remoted / remotepairingd / core device service / MDRemoteServiceSupport etc processes. But they do get paused and resumed at times for our internal traffic verification logic. So, we are trying to understand what impact our content filter may be having on this iPhone Pairing?? If we stop either one of the filters the problem goes away. I have tracked the network traffic to the phone, and it seems to be using a ethernet interface (en5/en10) over the USB-C cable. I can see endpoints like this: localEndpoint = fe80::7:afff:fea1:edb8%en5.54442 remoteEndpoint = fe80::7:afff:fea1:ed47%
Replies
1
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0
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26
Activity
7h
Reply to Clipboard issues with simulators
Using Xcode 26.5 Beta with iOS Simulator 26.5 Beta (iPhone 17 Pro), I tried to copy and paste text to the simulator. The paste menu now appears, but cannot paste the text. When pasting the text to the UITextField in my application while debugging, Xcode shows the following error ...requesting item failed with error: Error Domain=PBErrorDomain Code=13 Operation not authorized. UserInfo={NSLocalizedDescription=Operation not authorized.}
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Activity
7h
Request for Official Draggable FCPXML Structure Specification for Workflow Extensions – Needed for Subtitle/Caption Generation Tools
Hi Apple Developer Forums and Final Cut Pro team, I am developing a Final Cut Pro Workflow Extension focused on speech-to-text / subtitle recognition and generation. The extension runs inside Final Cut Pro, analyzes clips, generates accurate subtitles (often hundreds of individual elements), and allows users to drag the generated subtitles directly back into the FCP timeline as a clean, editable Compound Clip or Storyline. We are implementing this drag-and-drop functionality using the official pasteboard mechanism (com.apple.finalcutpro.xml and versioned types such as com.apple.finalcutpro.xml.v1-10). While the high-level documentation is helpful: Supporting Drag and Drop for Data Sent to Final Cut Pro FCPXML Reference Designing Workflow Extensions There is still no detailed public specification for the exact internal XML structure that Final Cut Pro expects for a drag operation to reliably result in a usable Compound Clip (or direct Storyline insertion), especiall
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0
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14
Activity
10h
Reply to Xcode now hangs; SDKs are "status unavailable"
Just chiming in to say I also am running into this. As my only machine is a 14 M1 Pro I am now out of luck in running Xcode at all for my projects
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12h
Reply to Xcode 26.4 cannot run app-hosted unit tests on physical iOS 16 devices ("Logic Testing Unavailable")
I tested Xcode 26.5 beta 1 (build 17F5012f), released on 2026-03-30, and the issue remains unchanged: app-hosted unit tests still fail on the same physical iOS 16 device with Logic Testing Unavailable.
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13h
UITextView cursor sometimes jumps up when pressing arrow down key and setting typingAttributes
My app uses TextKit 1 and unfortunately still cannot migrate to TextKit 2 because of some bugs (for instance in FB17103305 I show how NSTextView.shouldDrawInsertionPoint has no effect, but I opened that feedback exactly one year ago and it still has no answer). Unfortunately TextKit 1 has another bug which causes the text cursor to jump unpredictably up or down when pressing the arrow keys and setting UITextView.typingAttributes. Run the code below on iPhone 17 Pro Max Simulator. Scroll the text down until you see “Header 2”. Place the text cursor after “# “. Press the arrow down key twice to move the cursor two lines down. The cursor moves to the top of the view instead. Continuing to press the arrow keys up and down results in the cursor sometimes moving as expected, other times jumping around wildly. Does anyone know a workaround? I created FB22382453. class TextView: UITextView, UITextViewDelegate { override func awakeFromNib() { let _ = layoutManager delegate = self let header = textAtt
Topic: UI Frameworks SubTopic: UIKit Tags:
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0
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64
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16h
iPhone 16 Datasheet
I am trying to find a datasheet containing information such as Key Exchange / Key Agreement / Key Establishment Protocols Used, Digital Signature Algorithms Used, Hash Algorithms Used, etc. Any information would greatly appreciated.
Replies
1
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0
Views
38
Activity
17h
Reply to Xcode now hangs; SDKs are "status unavailable"
I was seeing the same behavior using macOS 26.4. Now seeing it on 26.5 beta. My iMac Pro running sequoia and the Intel version of Xcode is working fine.
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17h
Reply to Sporadic crash in xzm_main_malloc_zone_init_range_groups when spawning large binaries (macOS 26.3.1)
Thanks Quinn, that was exactly the right pointer. We traced through the disassembly of xzm_main_malloc_zone_init_range_groups on macOS 26.3.1 and correlated it with the open source in rel/libmalloc-792 (xzone_segment.c:1210-1250). Here's what we found: The CONFIG_MACOS_RANGES path computes: ptr_reservation_size = XZM_RANGE_SEPARATION + XZM_POINTER_RANGE_SIZE + XZM_RANGE_SEPARATION = 4G + 16G + 4G = 24 GiB ptr_start = 16GiB + (entropy % 736) * 32MiB It then calls mach_vm_map with VM_FLAGS_FIXED for 24 GiB at ptr_start. The 736 granules cover [16 GiB, 39 GiB), ensuring the reservation fits under the 63 GiB commpage limit. Why dylibs land above 16 GiB: The binary is a Chromium component-build test binary (browser_tests) that loads 516 Chromium dylibs plus system libraries (1543 images total). The main executable alone consumes 5.54 GiB of VA (4 GiB __PAGEZERO, 517 MiB __TEXT, 1.04 GiB __LINKEDIT). The 516 Chromium dylibs add another 10.19 GiB of aggregate VM (2.26 GiB __TEXT, 3.86 GiB __LINKEDI
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21h
AVKit crash when rendering AVPlayerView controls — macOS 26.4 regression
Description Our app, Octory, allows users to create onboarding and communication workflows composed of slides containing various UI components, including embedded video players powered by AVPlayerView. Since macOS 26.4 Beta, the app crashes at launch whenever a workflow contains a video component. Workflows without video components load and render without issue, which points to a regression in AVKit's player control rendering pipeline. As anyone seen similar behaviour when using AVKit or is it something we do not do properly? Expected Behavior The app opens and renders the workflow, including the embedded video component. Actual Behavior The app briefly launches and immediately crashes with SIGABRT on the main thread. Crash Analysis Key takeaways for anyone investigating: Root cause — abort() inside NSImageSymbolConfiguration The crash occurs entirely within Apple frameworks, with no third-party code in the faulting call chain (aside from the app's entry point). The sequence is: AVPlayerItem finishes loading
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2
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73
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22h
Reply to Why doesnt the Media Manager tell which devices have the required proportions?
I jsut downloaded the iPhone 17 Pro Max simulator, took a screenshot of my app and uploaded it -- and it doesnt work?
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23h
Why doesnt the Media Manager tell which devices have the required proportions?
When launching an app, AppStore Connect has some very specific requirements to the media (screenshots) used for the store listing. Right now the primary screenshots requires a 6.5 inch size. This is fine, of course, but why doesnt it list which iphones has this size, so I dont have to google my way to this answer? Its such a small thing, but would help so much
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7
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23h