Xcode 15.2 built app crashes during launch on iOS 16 but no issue with iOS 17

Developer Tools & Services Xcode
angry_kitten OP
Created Jan ’24
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I have an iOS app using Flutter that runs fine on iOS 17 but crashes on iOS 16 with the following error. I did not have this issue with older version of Xcode.

I have attached the crashlog.

This is what I see in the Xcode debug window.

 dyld[557]: Symbol not found: _$s7Network11NWInterfaceV13InterfaceTypeO13wiredEthernetyA2EmFWC
  Referenced from: <0E8CEF1B-6257-3DBF-9E33-E80DDE7EAA93> /private/var/containers/Bundle/Application/71D50E27-D60B-474F-B4D1-CB8ACFFD556C/Runner.app/Runner
  Expected in:     <F9D5A7E3-1EFB-3879-B33F-FD16AB5E4AD5> /System/Library/Frameworks/Network.framework/Network

My Xcode version is Version Version 15.2 (15C500b)

Replies  2
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Views  1.2k
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angry_kitten OP
Jan ’24

Setting minimum deployments from 11.0 to 12.0 resolved this issue for me

0
DTS Engineer OP
Apple
Jan ’24

Setting minimum deployments from 11.0 to 12.0 resolved this issue for me

Right. See this thread. In short:

  • Xcode 15’s minimum deployment target is iOS 12.

  • If you build for an unsupported deployment target, all bets are off.

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

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Xcode 15.2 built app crashes during launch on iOS 16 but no issue with iOS 17
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