IOS18 Crash

At present, in iOS, if using the in-house app, there may be crashes in the new iOS 18.3 and later versions, but it works normally on other phones and the certificate is not problematic. A total of 3 machines were found, and there was no pattern between the machines and the system, with different models and versions. We tested it on a machine that crashes, but the app downloaded from the store doesn't. If the same app is packaged and installed directly in the development tool, it will crash. Is this related to compatibility with the new version of IOS? Is there a solution? Do others also have relevant situations?

Hard to tell why your app crashes if you don't give us any indication of what's crashing.

How about a crash report, or showing us the lines of code where the crash occurs?

Also, give us the versions of iOS that are crashing, and the version of Xcode you built your app with.

if using the in-house app, there may be crashes in the new iOS 18.3 and later versions

This sounds like it could be a known issue affecting some versions of iOS 18, and is specific to in-house or enterprise distribution. You'll want to read the details on this other thread, which includes steps you can take for resolution.

If that turns out not to be the case, then as darkpaw says, we'll need more information from you to give us a starting point. Since you're highlighting an enterprise app, I suggest you do so by filing a bug report with a sysdiagnose attached. You can post the FB number of the report here, and we can take a look from there.

— Ed Ford,  DTS Engineer

IOS18 Crash
 
 
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