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Fixed in 2021.2.X



Found in


Issue ID




Stack Overflow occurs when exposing a parameter for an Audio Mixer group that receives its own sent event



How to reproduce:
1. Create a new Unity project
2. Create a new Audio Mixer and open it in the Audio Mixer window
3. In its master group add a 'Send' event and then a 'Receive' event
4. Set the receive target to 'Master\Receive'
5. Expose the 'Send Level' parameter

Expected result: unable to set the receive target to its own group in the first place OR no errors/crashes occur when exposing the parameter
Actual result: a Stack Overflow occurs, Editor may crash

Reproducible with: 2021.2.0a16, 2021.2.0a17
Not reproducible with: 2018.4.35f1, 2019.4.26f1, 2021.1.8f1, 2021.2.0a15

Adding a 'Send' event before 'Receive' event allows targeting the receive event
Adding a 'Receive' event before 'Send' event does not allow targeting the receive event because of the feedback loop

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