App Crashing iOS26

Question

Created Sep ’25

Replies 3

Boosts 0

Participants 2

I have four apps currently deployed on the App Store. One of these apps crashes on launch when running on iOS 26, but functions as expected on iOS 18 and earlier versions. I am seeking to understand what changes in iOS 26 might be causing this issue.

When running the app in debug mode on devices with iOS 26 using Xcode 16.1, the app crashes.

The crash log references libobjc-trampolines.dylib, suggesting a potential issue with the Objective-C runtime.

Has anyone else encountered a similar issue?


AGX: AGX: agxa_device_template.hpp:1467:setupCompiler: *** FATAL: driver shader binary file not found in (null) for extension g15p!!!
D [yHZ]: added warning: [MEDIUM]: SW04: A debugger is attached to the App.
D [ProbeCallbacks]: [IXGUARD] debugger detected
objc[1461]: couldn't dlopen libobjc-trampolines.dylib: dlopen(/usr/lib/libobjc-trampolines.dylib, 0x0106): tried: '/usr/lib/system/introspection/libobjc-trampolines.dylib' (no such file, not in dyld cache), '/usr/lib/libobjc-trampolines.dylib' (no such file), '/private/preboot/Cryptexes/OS/usr/lib/libobjc-trampolines.dylib' (open() failed with errno=24), '/usr/lib/libobjc-trampolines.dylib' (no such file, not in dyld cache)

What steps can I take to resolve this crash? Thank you for your assistance.

Boost

Answer 1

DTS Engineer OP

Apple

Sep ’25

Please post a full Apple crash report for this failure. See Posting a Crash Report for advice on how to do that (normally an app crashing when run from Xcode won’t generate a crash report, but that post explains how to get one).

Share and Enjoy
—
Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

0

Answer 2

KetanW OP

Sep ’25

Accepted Answer

This issue occurred due to an outdated SDK in the app. It is likely that support for Objective-C was removed in iOS 26, resulting in the crash.

0

Answer 3

DTS Engineer OP

Apple

Sep ’25

This issue occurred due to an outdated SDK in the app.

You mean an SDK from another third-party developer, right?

It is likely that support for Objective-C was removed in iOS 26

Well, that’s definitely not true; iOS 26 continues to support Objective-C development.

It’s hard to say why this SDK was having problems on iOS 26 without digging into it in a lot more detail. And I don’t think that’s justified given that you’ve already solved this in a good way, that is, by updating your third-party SDK.

Share and Enjoy
—
Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

1