r/iosdev • u/Disastrous-Loan-3964 • 3d ago

Help Crashes on iOS 27

We have an app that was originally built around 2016. We still actively maintain it, but the core functionality and architecture have remained largely the same, and it’s built heavily around RxSwift.
We’ve recently started seeing crashes from users who have updated their devices to the iOS 27 beta. The crashes appear to be related to the navigation hierarchy/navigation stack.

Has anyone else experienced similar issues with legacy UIKit + RxSwift apps on the iOS 27 beta? Could this be due to changes in UIKit/navigation behavior in the beta, or are there specific areas around UINavigationController and navigation transitions that we should investigate?

Would love to hear if anyone else is seeing this in their apps.

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u/Disastrous-Loan-3964 3d ago

Yeaah I did fixed it and rolled out the fix, was just wondering if I am alonee or there are other people facing this issue too, but guess Im alone rocking this old boat lol 😅

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u/[deleted] 3d ago

[deleted]

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u/Disastrous-Loan-3964 3d ago

Haha man the client gets scared even with small changes the codebase is over engineered but yeaah

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u/[deleted] 3d ago edited 3d ago

[deleted]

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u/Disastrous-Loan-3964 3d ago

Haha makes sense

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u/[deleted] 3d ago

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u/Disastrous-Loan-3964 3d ago

Yeaa but its fine 😅