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Fixed in 2022.1.X

Planned for 2019.4.X, 2020.3.X, 2021.2.X



Found in







Issue ID




[iOS] App freezes when calling "Application.Quit()" if a script with "OnAudioFilterRead()" and an Audio Listener is in the Scene



How to reproduce:
1. Open the attached Unity project ("")
2. Build And Run on an iOS device
3. When the app finishes loading, return to Home Screen
4. Go back into the app
5. Tap the "Quit" button

Expected result: the application quits
Actual result: the application freezes

Reproducible with: 2019.4.29f1, 2020.3.16f1, 2021.1.17f1, 2021.2.0b7, 2022.1.0a5

Reproducible on:
iPhone 8 Plus (iOS 14.4.2)
iPad 6th generation (iOS 14.4.2)
iPad Air 2 (iOS 11.0.3)

Not reproducible on:
VLNQA00288, Samsung Galaxy J7 (SM-J730F), Android 8.1.0, CPU: Exynos 7 Octa 7870, GPU: Mali-T830
VLNQA00022, Xiaomi Redmi Note 3 (Redmi Note 3), Android 6.0.1, CPU: Snapdragon 617 MSM8952, GPU: Adreno (TM) 510
N/A, Huawei - (NOH-NX9), Android 10, CPU: NOT FOUND, GPU: Mali-G78
VLNQA00001, Google Pixel 2 (Pixel 2), Android 11, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
VLNQA00316, Samsung Galaxy Note10 (SM-N970F), Android 9, CPU: Exynos 9 Series 9825, GPU: Mali-G76
VLNQA00225, Qualcomm null (SDM845 for arm64), Android 8.1.0, CPU: Snapdragon 845 SDM845, GPU: Adreno (TM) 630

- Both "TestAudioRead.cs" and Audio Listener need to be on the same GameObject for reproduction

  1. Response avatar

    Resolution Note (fix version 2022.1):

    Fixed an iOS bug where calling Application.Quit could cause an app to freeze if a script with OnAudioFilterRead was present in the Scene.

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