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Case-ID: 11089799
When using AVSpeechUtterance and setting it to play in Mandarin, if Siri is set to Cantonese on iOS 18, it will be played in Cantonese. There is no such issue on iOS 17 and 16.
1.let utterance = AVSpeechUtterance(string: textView.text)
let voice = AVSpeechSynthesisVoice(language: "zh-CN")
utterance.voice = voice
2.In the phone settings, Siri is set to Cantonese
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