I started getting Google API greylisting warnings today, specifically: Code (csharp): Android compatibility We’ve detected that your app is using unsupported APIs. Tests may not have found all unsupported APIs. Learn more Unsupported 2 warnings identified The following APIs are greylisted and Google can’t guarantee that they will work on existing versions of Android. Some may be already be restricted for your target SDK API Landroid/media/AudioSystem;->getPrimaryOutputFrameCount()I 1 occurrence identified API Landroid/media/AudioSystem;->getPrimaryOutputSamplingRate()I 1 occurrence identified Is there any user-facing setting in Unity to fix this problem? Is there any plan to back-port a fix for this to the Unity5 long-term support?