Does .NET MAUI Support iOS 17.6.1?

Question

Does .NET MAUI Support iOS 17.6.1?

Steve Kane 0

I have a general question about MAUI support for 17.6.1. I have an app that works on a 17.5 simulator and a physical device running 15.8 but is rejected by the app store when testing against 17.6.1. My configuration is as follows:

CommunityToolkit.Maui v9.0.3
Microsoft.Maui.Controls v8.0.82
<UseInterpreter>true</UseInterpreter> set for iOS in Release mode
Using ios workload 17.5.8020/8.0.100

Results:

Debug mode on simulator 17.5 and below works
Release mode on physical device 15.8 works via TestFlight
During Apple store testing, crashes on launch on device running 17.6.1

Question: In general, should the workload for 17.5.8020 work for a 17.6 device? Can't seem to figure out why it is crashing during their testing but works on my physical device running 15.8 and a 17.5 simulator.

Thanks in advance for any guidance!

Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 36,436 Reputation points Microsoft External Staff

2024-09-10T06:23:19.4733333+00:00

If you don't use the latest iOS API, it's supported.

During Apple store testing, crashes on launch on device running 17.6.1 Could you share the detailed error message with me?
Steve Kane 0 Reputation points

2024-09-10T14:39:26.5466667+00:00

Thank you for the response. Here is a snippet from the crash log:

Kernel Triage:
VM - (arg = 0x3) mach_vm_allocate_kernel failed within call to vm_map_enter
Thread 0 name: tid_103 Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 libsystem_kernel.dylib 0x1da8402ec __pthread_kill + 8
1 libsystem_pthread.dylib 0x1ee61cc0c pthread_kill + 268
2 libsystem_c.dylib 0x199ba3ba0 abort + 180
3 NameOfProgram 0x109d054b8 0x0000000104d454b8 (in NameOfProgram) + 81024184
4 NameOfProgram 0x109c682fc mono_runtime_setup_stat_profiler (in NameOfProgram) (mini-posix.c:662) + 80380668

5 libsystem_platform.dylib 0x1ee55fe9c _sigtramp + 56
6 libsystem_pthread.dylib 0x1ee61cc0c pthread_kill + 268
7 libsystem_c.dylib 0x199ba3ba0 abort + 180

8 NameOfProgram 0x10999c3dc xamarin_find_protocol_wrapper_type (in NameOfProgram) (runtime.m:1217) + 77448156
9 NameOfProgram 0x109b9e6b4 mono_invoke_unhandled_exception_hook (in NameOfProgram) (exception.c:1263) + 79554228
10 NameOfProgram 0x109c3e540 mono_jit_exec (in NameOfProgram) (driver.c:1314) + 80209216
11 NameOfProgram 0x1099a49ac xamarin_main (in NameOfProgram) (monotouch-main.m:0) + 77482412
12 NameOfProgram 0x109ca77fc main (in NameOfProgram) (main.arm64.mm:441) + 80639996
13 dyld 0x1b53eb154 start + 2356

From what I understand it is an unhandled exception in .NET? I am working on putting some exception handlers in the code to see if I can narrow down the error. I am trying to use Sentry to log the unhandled exception but so far am not having success in capturing it.

Thank you for clarifying that 17.6.1 is supported. I am not aware that I am using any 17.6 specific APIs, so I will try to track down the exception.

As a side note, my recent submission to the Apple store to test the exceptions was tested with iOS 18. Is it safe to say that as long as I don't use any of the iOS 18 APIs than it should work with iOS 18 as well, as long as I can trace down the exception?

Thanks!

2 answers

Your answer

Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 36,436 Reputation points Microsoft External Staff

2024-09-10T06:23:19.4733333+00:00

If you don't use the latest iOS API, it's supported.

During Apple store testing, crashes on launch on device running 17.6.1 Could you share the detailed error message with me?

Answer 1

Bruce (SqlWork.com) 78,086 Volunteer Moderator

The store will reject an iOS app with <UseInterpreter> set to true. It should only be used for debugging.

Answer 2

Steve Kane 0

Thank you for the feedback and insight. After much digging, it turns out there was an exception thrown in certain cases that was causing the issue. Once that was addressed all is working on 17.6.

Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 36,436 Reputation points Microsoft External Staff

2024-09-12T05:43:07.25+00:00

Glad you solved the problem, thanks for your sharing.

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Does .NET MAUI Support iOS 17.6.1?

2 answers

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