Calls to ExtAudioFileRead are throwing OSStatus 561145203 (AVAudioSessionErrorCodeResourceNotAvailable) on iOS and iPadOS 18 -- earlier versions of iOS have not exhibited this behavior. This is a longstanding code path that has seen a spike of these error codes since iOS 18's release.
The following is also printed to the Xcode 16 console:
Hi, thanks for making this post. Our engineering teams need to investigate this issue. I'd greatly appreciate it if you could open a bug report, and post the FB number here once you do.
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@Media Engineer thank you for your response. This is reported with Feedback Assistant at FB15192173.