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Network Instability in TestFlight Builds When Using Xcode 16+
We are experiencing networking issues in our iOS application when it is built with Xcode 16 or later. Our app includes a video conferencing feature that works reliably when built with Xcode 15 or earlier — we can sustain hour-long video sessions without interruption. However, when the app is built using Xcode 16 or higher, network connections drop after 2–3 minutes during a session. This triggers an auto-reconnect, which succeeds, but the connection drops again after another 2–3 minutes. This loop continues indefinitely. Key Details: The issue only occurs in TestFlight builds. When running the app via Xcode debugger, the issue does not occur. The issue is consistently reproducible in TestFlight builds created with Xcode 16 or later. TestFlight builds created with Xcode 15 do not exhibit this issue. All the videoconferencing runs on C and C++ code What We’ve Tried: Reviewed Xcode 16+ release notes but found no relevant changes or deprecations. Verified app configuration and entitlements. Confirmed that no app-side changes occurred between the working and broken builds. Request: We’re seeking guidance on what changes in Xcode 16+ could be affecting networking behavior in release/TestFlight builds. Any insight into relevant build settings, compiler changes, or runtime behavior differences would be greatly appreciated. Thank you in advance for your assistance.
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103
May ’25
unsupported option '-G' for target 'arm64-apple-ios12.0'
I had an Intel macbook and I used that to build and release my app to app store but I didn't release for 2 years. Recently a bug was reported that I needed to update the a code and make a new release with my apple silicon macbook. But I get this issue when I go to Product -> Archive. I tried updating pods, as well as adding following line to the Podfile but no change. platform :ios, "12.0" target "myApp" do use_frameworks! pod "AFNetworking" pod "KVNProgress" pod "GCDWebServer" pod "CocoaLumberjack" pod "Intercom" pod "GoogleWebRTC" pod "SAMKeychain" pod "googleapis", :path => '.' pod 'gRPC', '1.0.0' pod 'gRPC-Core', '1.0.0' pod 'gRPC-ProtoRPC', '1.0.0' pod 'gRPC-RxLibrary', '1.0.0' pod 'BoringSSL-GRPC', '0.0.7' end post_install do |installer| installer.pods_project.targets.each do |target| if target.name == 'BoringSSL-GRPC' target.source_build_phase.files.each do |file| if file.settings && file.settings['COMPILER_FLAGS'] flags = file.settings['COMPILER_FLAGS'].split flags.reject! { |flag| flag == '-GCC_WARN_INHIBIT_ALL_WARNINGS' } file.settings['COMPILER_FLAGS'] = flags.join(' ') end end end end end Nothing worked for me. What do I do now? I appreciate any help
0
0
157
May ’25
How to run XCode 15.2 on Sequoia?
Hi, I have a project that is based on a GPL library. The GPL library has some issue since early 2024 that requires it to be run on XCode 15.2. Any XCode above 15.2 will only give you "Invalid MinimumOSVersion." and "Missing Info.plist value." errors. So I installed 15.2 again. But now I have another problem because it can only run on Ventura. How do I run XCode 15.2 on my Sequoia MacOS? I hate to reinstall the OS all again. Thank you.
2
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168
Apr ’25
Recording WKWebView
I am trying to record the requests and responses in a WKWebView, but instruments does not seem to record them. Is this to be expected? The webView is set to inspectable, and I am using the HTTP Traffic instrument. All the requests the app is doing are recorded, but neither the original request for the webView, nor subsequent traffic is recorded. When I use Safari to inspect the webView, all I see is the last page (even when I start the inspector before the first request is made). How can I see these requests?
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162
May ’25
Questions about Deployment Targets in Xcode
The “Deployment Targets” for iOS was IOS12 or higher in Xcode15, but is now listed as IOS15 or higher in Xcode16. https://developer.apple.com/support/xcode/ How does this change affect developers and users? For example, if a developer specifies less than iOS15 in the “iOS Deployment Target” on Xcode, how will this affect them? Also, will users under iOS 15 be unable to run the apps?
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115
May ’25
App Stuck on Launch Screen When Debugging on iOS 18.5 Device with Xcode 16.3
I am using a Mac computer running macOS 15.5 with Xcode version 16.3 (16E140) and an iPhone XS Max on iOS 18.5. When debugging my app on the real device using Xcode, the app gets stuck on the launch screen and fails to proceed to the main interface. There is no output in the Xcode console, and the top of the window continuously shows "attaching to [app name] on [iPhone name]". Here are the details: The same issue occurred when the phone was running iOS 18.4.1. When I tested on another real device running iOS 17, the app launched and ran normally. I’ve tried clearing the cache, but it didn’t help. I deleted the ~/Library/Developer/Xcode/iOS DeviceSupport folder, let it re-download the necessary files, and ran the app again, but the issue persists. I’m currently out of ideas and would appreciate any assistance.
1
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206
May ’25
CMMovemnt Disorder Library
Info.plist contained no UIScene configuration dictionary (looking for configuration named "Default Configuration") {"msg":"Usage of CMMovementDisorderManager requires a special entitlement. Please see for more information https://developer.apple.com/documentation/coremotion/cmmovementdisordermanager", "event":"assert", "condition":"isEntitled"} /Library/Caches/com.apple.xbs/Sources/CoreLocationFramework/Framework/CoreMotion/Health/CMMovementDisorderManager.mm:208: assertion failure in +[CMMovementDisorderManager initialize] . I have the entitlement, I sent the request yesterday. I have added in Info.plist Privacy - Motion Usage Description message. But nothing changes. It always crashes . Added also everything to Entitlements File to watch. It crashes on private let manager = CMMovementDisorderManager()
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71
May ’25
Developer Program pending for a week
Hi there, Last week i was finally able to get through and purchase my membership for the Apple Developer Program. The problem is, even though I already paid, it keeps saying: "Purchase your membership. To continue your enrollment, complete your purchase now, Your purchase may take up to 48 hours to process." I've tried to reach out to apple developer support numerous times, but no reply whatsoever... What do i do at this point?
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71
Apr ’25
Error recording of CPU Profiler in CLI: [Error] Failed to start the recording: Failed to force all hardware CPU counters: 13.
Context I created a short script to CPU profile a program from the command line. I am able to record via the Instruments app, but when I try from the command line I get the following error shown below. This example is just profiling the grep command. Error: % cpu_profile /usr/bin/grep \ --recursive "Brendan Gregg" \ "$(xcode-select --print-path)/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk" Profiling /usr/bin/grep into /tmp/cpu_profile_grep.trace Starting recording with the CPU Profiler template. Launching process: grep. Ctrl-C to stop the recording Run issues were detected (trace is still ready to be viewed): * [Error] Failed to start the recording: Failed to force all hardware CPU counters: 13. Recording failed with errors. Saving output file... Script: #!/bin/sh set -o errexit set -o nounset if [ "$#" -lt 1 ] then echo "Usage $0 <program> [arguments...]" 1>&2 exit 1 fi PROGRAM="$(realpath "$1")" shift OUTPUT="/tmp/cpu_profile_$(basename "$PROGRAM").trace" echo "Profiling $PROGRAM into $OUTPUT" 1>&2 # Delete potential previous traces rm -rf "$OUTPUT" xcrun xctrace record \ --template 'CPU Profiler' \ --no-prompt \ --output "$OUTPUT" \ --target-stdout - \ --launch -- "$PROGRAM" "$@" open "$OUTPUT" I think the error has to do with xctrace based on this post, but according to this post it should have been resolved in MacOS version 15.4. System Chip: Apple M3 Pro macOS: Sequoia 15.4.1 xctrace version: 16.0 (16E140) xcrun version: 70. Xcode version: 16.3 (16E140) Working Screenshots from Instruments App:
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432
May ’25
Xcode 16.2: build fails with errors from another project
When I thought Xcode could not get any worse, here's the most absurd thing I have ever seen developing software in almost 20 years of work. When building a project, which I haven't touched lately, and last time it was building just fine, it raised errors on a class that doesn't even belong in any way to such project, it only exists in another one. To clarify, we're talking of a project written in C++ which runs only on mac, which is failing due to linker errors, where the linker can not find symbols of a class living in a different project and that is not referenced in any way inside this project. I mean, really? how does Apple manage to make Xcode more and more unstable by the minute? Starting from Xcode 15.1 I was already experiencing much longer building times, due to the fact that it doesn't manage the cache properly and is rebuilding lots of stuff every time..
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46
Apr ’25
Xcode 16.3 Compile fails
After updating to 16.3, my project now fails to compile with the diagnostic: "Command SwiftCompile failed with a nonzero exit code". This is a SwiftUI document project with two local packages, the second of which is a rather large one with 112 SwiftUI files. It is this second package that is failing. There are no issues when compiling with 16.2. Without diagnostics I'm having a bit of difficulty in determining the cause. My thought is to regress the commits unit 16.3 gives a success, or shows issues. Although I'm not catching a similar issue in the forums, I'm seeing other problems with 16.3. Has anyone else had such build failure isolated to 16.3? Any advice on other ways to approach this problem? Thanks in advance
5
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339
Apr ’25
App transferred but app Bundle Id not transferred
When we initiated the app transfer, we were eligible for app transfer and it was transferred as well. But App's bundle identifiers are not transferred yet which is blocking to push new updates. We contacted various time to apple, but we get similar responses. What may be the exact reason that is blocking to transfer the app bundle identifiers. However, app has already been transferred and active from recipient developer account.
0
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118
May ’25
DriverKit XCode compilation errors
I'm working on dext project (c++), Base SDK and Supported Platforms are set to DriverKit. #include causes errors: error "The iostreams library is not supported since libc++ has been configured without support for localization." error "<locale.h> is not supported since libc++ has been configured without support for localization." Also it's not possible to define custom log object: undeclared identifier 'os_log_create'. <os/log.h> included and os_log function is compiled correct. macOS as additional SDK did not help. Thanks a lot for any hint.
1
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524
Apr ’25
Network Instability in TestFlight Builds When Using Xcode 16+
We are experiencing networking issues in our iOS application when it is built with Xcode 16 or later. Our app includes a video conferencing feature that works reliably when built with Xcode 15 or earlier — we can sustain hour-long video sessions without interruption. However, when the app is built using Xcode 16 or higher, network connections drop after 2–3 minutes during a session. This triggers an auto-reconnect, which succeeds, but the connection drops again after another 2–3 minutes. This loop continues indefinitely. Key Details: The issue only occurs in TestFlight builds. When running the app via Xcode debugger, the issue does not occur. The issue is consistently reproducible in TestFlight builds created with Xcode 16 or later. TestFlight builds created with Xcode 15 do not exhibit this issue. All the videoconferencing runs on C and C++ code What We’ve Tried: Reviewed Xcode 16+ release notes but found no relevant changes or deprecations. Verified app configuration and entitlements. Confirmed that no app-side changes occurred between the working and broken builds. Request: We’re seeking guidance on what changes in Xcode 16+ could be affecting networking behavior in release/TestFlight builds. Any insight into relevant build settings, compiler changes, or runtime behavior differences would be greatly appreciated. Thank you in advance for your assistance.
Replies
0
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0
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103
Activity
May ’25
unsupported option '-G' for target 'arm64-apple-ios12.0'
I had an Intel macbook and I used that to build and release my app to app store but I didn't release for 2 years. Recently a bug was reported that I needed to update the a code and make a new release with my apple silicon macbook. But I get this issue when I go to Product -> Archive. I tried updating pods, as well as adding following line to the Podfile but no change. platform :ios, "12.0" target "myApp" do use_frameworks! pod "AFNetworking" pod "KVNProgress" pod "GCDWebServer" pod "CocoaLumberjack" pod "Intercom" pod "GoogleWebRTC" pod "SAMKeychain" pod "googleapis", :path => '.' pod 'gRPC', '1.0.0' pod 'gRPC-Core', '1.0.0' pod 'gRPC-ProtoRPC', '1.0.0' pod 'gRPC-RxLibrary', '1.0.0' pod 'BoringSSL-GRPC', '0.0.7' end post_install do |installer| installer.pods_project.targets.each do |target| if target.name == 'BoringSSL-GRPC' target.source_build_phase.files.each do |file| if file.settings && file.settings['COMPILER_FLAGS'] flags = file.settings['COMPILER_FLAGS'].split flags.reject! { |flag| flag == '-GCC_WARN_INHIBIT_ALL_WARNINGS' } file.settings['COMPILER_FLAGS'] = flags.join(' ') end end end end end Nothing worked for me. What do I do now? I appreciate any help
Replies
0
Boosts
0
Views
157
Activity
May ’25
How to run XCode 15.2 on Sequoia?
Hi, I have a project that is based on a GPL library. The GPL library has some issue since early 2024 that requires it to be run on XCode 15.2. Any XCode above 15.2 will only give you "Invalid MinimumOSVersion." and "Missing Info.plist value." errors. So I installed 15.2 again. But now I have another problem because it can only run on Ventura. How do I run XCode 15.2 on my Sequoia MacOS? I hate to reinstall the OS all again. Thank you.
Replies
2
Boosts
0
Views
168
Activity
Apr ’25
Recording WKWebView
I am trying to record the requests and responses in a WKWebView, but instruments does not seem to record them. Is this to be expected? The webView is set to inspectable, and I am using the HTTP Traffic instrument. All the requests the app is doing are recorded, but neither the original request for the webView, nor subsequent traffic is recorded. When I use Safari to inspect the webView, all I see is the last page (even when I start the inspector before the first request is made). How can I see these requests?
Replies
0
Boosts
0
Views
162
Activity
May ’25
Questions about Deployment Targets in Xcode
The “Deployment Targets” for iOS was IOS12 or higher in Xcode15, but is now listed as IOS15 or higher in Xcode16. https://developer.apple.com/support/xcode/ How does this change affect developers and users? For example, if a developer specifies less than iOS15 in the “iOS Deployment Target” on Xcode, how will this affect them? Also, will users under iOS 15 be unable to run the apps?
Replies
0
Boosts
0
Views
115
Activity
May ’25
App Stuck on Launch Screen When Debugging on iOS 18.5 Device with Xcode 16.3
I am using a Mac computer running macOS 15.5 with Xcode version 16.3 (16E140) and an iPhone XS Max on iOS 18.5. When debugging my app on the real device using Xcode, the app gets stuck on the launch screen and fails to proceed to the main interface. There is no output in the Xcode console, and the top of the window continuously shows "attaching to [app name] on [iPhone name]". Here are the details: The same issue occurred when the phone was running iOS 18.4.1. When I tested on another real device running iOS 17, the app launched and ran normally. I’ve tried clearing the cache, but it didn’t help. I deleted the ~/Library/Developer/Xcode/iOS DeviceSupport folder, let it re-download the necessary files, and ran the app again, but the issue persists. I’m currently out of ideas and would appreciate any assistance.
Replies
1
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0
Views
206
Activity
May ’25
RevenueCat products load in iOS debug mode but not in TestFlight (Flutter)
I'm using RevenueCat in a Flutter app to manage in-app subscriptions. On iOS, the subscription products load and display correctly when running in debug mode on a real device. However, when I upload the app to TestFlight, the products fail to load — I get an empty list or no products shown at all.
Replies
0
Boosts
0
Views
80
Activity
Apr ’25
CMMovemnt Disorder Library
Info.plist contained no UIScene configuration dictionary (looking for configuration named "Default Configuration") {"msg":"Usage of CMMovementDisorderManager requires a special entitlement. Please see for more information https://developer.apple.com/documentation/coremotion/cmmovementdisordermanager", "event":"assert", "condition":"isEntitled"} /Library/Caches/com.apple.xbs/Sources/CoreLocationFramework/Framework/CoreMotion/Health/CMMovementDisorderManager.mm:208: assertion failure in +[CMMovementDisorderManager initialize] . I have the entitlement, I sent the request yesterday. I have added in Info.plist Privacy - Motion Usage Description message. But nothing changes. It always crashes . Added also everything to Entitlements File to watch. It crashes on private let manager = CMMovementDisorderManager()
Replies
0
Boosts
0
Views
71
Activity
May ’25
Developer Program pending for a week
Hi there, Last week i was finally able to get through and purchase my membership for the Apple Developer Program. The problem is, even though I already paid, it keeps saying: "Purchase your membership. To continue your enrollment, complete your purchase now, Your purchase may take up to 48 hours to process." I've tried to reach out to apple developer support numerous times, but no reply whatsoever... What do i do at this point?
Replies
0
Boosts
0
Views
71
Activity
Apr ’25
Xcode local documentation location
Where are the local documentation files location on MacOS? None of the existing data on the internet is applicable anymore. Trying to bundle documentation for use in an LLM and the developer site is unusable for crawling. Thanks! *.docset
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0
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0
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64
Activity
May ’25
Join Apple Developer Program
I'm signing up as an Apple Developer, but I've paid 4 times, and after about 10 hours each time, the order status changes to Cancelled, and there is no email explaining the reason for the cancellation, and the payment has not been refunded to me, and no staff has contacted me. I was confused
Replies
0
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0
Views
55
Activity
Apr ’25
MFi program - unable to finish a payment
Our company is working on Smartphone integration - CarPlay, because of that we need to access MFi for some certification. I went through the enrollment, but the payment gets stuck after confirmation and after some minutes it tells me it takes very long time to proceed. How can I enroll for MFi?
Replies
0
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0
Views
98
Activity
May ’25
"This field is invalid"
Unable to add a user on my app store connect. I get "This field is invalid" error each time. I have tried with a variety of different emails, same error.
Replies
0
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0
Views
67
Activity
Apr ’25
Error recording of CPU Profiler in CLI: [Error] Failed to start the recording: Failed to force all hardware CPU counters: 13.
Context I created a short script to CPU profile a program from the command line. I am able to record via the Instruments app, but when I try from the command line I get the following error shown below. This example is just profiling the grep command. Error: % cpu_profile /usr/bin/grep \ --recursive "Brendan Gregg" \ "$(xcode-select --print-path)/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk" Profiling /usr/bin/grep into /tmp/cpu_profile_grep.trace Starting recording with the CPU Profiler template. Launching process: grep. Ctrl-C to stop the recording Run issues were detected (trace is still ready to be viewed): * [Error] Failed to start the recording: Failed to force all hardware CPU counters: 13. Recording failed with errors. Saving output file... Script: #!/bin/sh set -o errexit set -o nounset if [ "$#" -lt 1 ] then echo "Usage $0 <program> [arguments...]" 1>&2 exit 1 fi PROGRAM="$(realpath "$1")" shift OUTPUT="/tmp/cpu_profile_$(basename "$PROGRAM").trace" echo "Profiling $PROGRAM into $OUTPUT" 1>&2 # Delete potential previous traces rm -rf "$OUTPUT" xcrun xctrace record \ --template 'CPU Profiler' \ --no-prompt \ --output "$OUTPUT" \ --target-stdout - \ --launch -- "$PROGRAM" "$@" open "$OUTPUT" I think the error has to do with xctrace based on this post, but according to this post it should have been resolved in MacOS version 15.4. System Chip: Apple M3 Pro macOS: Sequoia 15.4.1 xctrace version: 16.0 (16E140) xcrun version: 70. Xcode version: 16.3 (16E140) Working Screenshots from Instruments App:
Replies
2
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0
Views
432
Activity
May ’25
In App purchase in ios not working in xcode 16.3
In app purchase is not executed in ios while i run the code in xcode 16.3 But it's working fine in Xcode 16.0. There is no proper error message or any alerts showing. It just returns an empty product identifier. Provide the me the solution or kindly fix the issue in xcode IDE regarding this issue in latest xcode
Replies
0
Boosts
0
Views
118
Activity
Apr ’25
Xcode 16.2: build fails with errors from another project
When I thought Xcode could not get any worse, here's the most absurd thing I have ever seen developing software in almost 20 years of work. When building a project, which I haven't touched lately, and last time it was building just fine, it raised errors on a class that doesn't even belong in any way to such project, it only exists in another one. To clarify, we're talking of a project written in C++ which runs only on mac, which is failing due to linker errors, where the linker can not find symbols of a class living in a different project and that is not referenced in any way inside this project. I mean, really? how does Apple manage to make Xcode more and more unstable by the minute? Starting from Xcode 15.1 I was already experiencing much longer building times, due to the fact that it doesn't manage the cache properly and is rebuilding lots of stuff every time..
Replies
0
Boosts
0
Views
46
Activity
Apr ’25
Notification from BLE device even when the app is killed by the user
I have an app that connects to a BLE device and registers its services. I can create a notification when my app is running on foreground or background, but is it possible to show a notification when a message is recieved from the BLE device while the app has been killed by the user?
Replies
1
Boosts
0
Views
89
Activity
Apr ’25
Xcode 16.3 Compile fails
After updating to 16.3, my project now fails to compile with the diagnostic: "Command SwiftCompile failed with a nonzero exit code". This is a SwiftUI document project with two local packages, the second of which is a rather large one with 112 SwiftUI files. It is this second package that is failing. There are no issues when compiling with 16.2. Without diagnostics I'm having a bit of difficulty in determining the cause. My thought is to regress the commits unit 16.3 gives a success, or shows issues. Although I'm not catching a similar issue in the forums, I'm seeing other problems with 16.3. Has anyone else had such build failure isolated to 16.3? Any advice on other ways to approach this problem? Thanks in advance
Replies
5
Boosts
0
Views
339
Activity
Apr ’25
App transferred but app Bundle Id not transferred
When we initiated the app transfer, we were eligible for app transfer and it was transferred as well. But App's bundle identifiers are not transferred yet which is blocking to push new updates. We contacted various time to apple, but we get similar responses. What may be the exact reason that is blocking to transfer the app bundle identifiers. However, app has already been transferred and active from recipient developer account.
Replies
0
Boosts
0
Views
118
Activity
May ’25
DriverKit XCode compilation errors
I'm working on dext project (c++), Base SDK and Supported Platforms are set to DriverKit. #include causes errors: error "The iostreams library is not supported since libc++ has been configured without support for localization." error "<locale.h> is not supported since libc++ has been configured without support for localization." Also it's not possible to define custom log object: undeclared identifier 'os_log_create'. <os/log.h> included and os_log function is compiled correct. macOS as additional SDK did not help. Thanks a lot for any hint.
Replies
1
Boosts
0
Views
524
Activity
Apr ’25