tvOS 18 doesn't provide passthrough of multichannel audio for streaming apps offering content where it it promoted as available. This is true for devices for which the functionality existed before the 18.0 tvOS update. What's more, the 18.1 Public Beta did not provide a resolution for the issue. All streaming apps appear to be affected. Notably, Home Sharing does not appear to be affected, and continues to provide multichannel audio as it did before the 18.0 update.
ldlee
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