Unity: OVROverlay now fails with 'Overlay Shape' set to 'Equirect' mode in Editor / Oculus Link mode
This is with Oculus Integration 39, the console will show:
[OVRPlugin] [XRCMD][failure] [XR_ERROR_VALIDATION_FAILURE]: xrEndFrame(m_xrSession, &frameEndInfo), arvr\projects\integrations\ovrplugin\src\util\compositoropenxr.cpp:4669
UnityEngine.Debug:LogWarning (object)
OVRManager:OVRPluginLogCallback (OVRPlugin/LogLevel,intptr,int) (at Assets/Oculus/VR/Scripts/OVRManager.cs:1532)[OVRPlugin] [XRCMD][failure] [XR_ERROR_VALIDATION_FAILURE]: xrReleaseSwapchainImage(swapchain, &releaseInfo), arvr\projects\integrations\ovrplugin\src\util\compositoropenxr.cpp:5216
UnityEngine.Debug:LogWarning (object)
OVRManager:OVRPluginLogCallback (OVRPlugin/LogLevel,intptr,int) (at Assets/Oculus/VR/Scripts/OVRManager.cs:1532)[OVRPlugin] xrReleaseSwapchainImage() failed: XR_ERROR_VALIDATION_FAILURE
UnityEngine.Debug:LogWarning (object)
OVRManager:OVRPluginLogCallback (OVRPlugin/LogLevel,intptr,int) (at Assets/Oculus/VR/Scripts/OVRManager.cs:1532)[OVRPlugin] [XRCMD][failure] [XR_ERROR_VALIDATION_FAILURE]: xrReleaseSwapchainImage(swapchain, &releaseInfo), arvr\projects\integrations\ovrplugin\src\util\compositoropenxr.cpp:5216
UnityEngine.Debug:LogWarning (object)
OVRManager:OVRPluginLogCallback (OVRPlugin/LogLevel,intptr,int) (at Assets/Oculus/VR/Scripts/OVRManager.cs:1532)[OVRPlugin] xrReleaseSwapchainImage() failed: XR_ERROR_VALIDATION_FAILURE
UnityEngine.Debug:LogWarning (object)
OVRManager:OVRPluginLogCallback (OVRPlugin/LogLevel,intptr,int) (at Assets/Oculus/VR/Scripts/OVRManager.cs:1532)[OVRPlugin] [XRCMD][failure] [XR_ERROR_VALIDATION_FAILURE]: xrReleaseSwapchainImage(swapchain, &releaseInfo), arvr\projects\integrations\ovrplugin\src\util\compositoropenxr.cpp:5216
UnityEngine.Debug:LogWarning (object)
OVRManager:OVRPluginLogCallback (OVRPlugin/LogLevel,intptr,int) (at Assets/Oculus/VR/Scripts/OVRManager.cs:1532)[OVRPlugin] xrReleaseSwapchainImage() failed: XR_ERROR_VALIDATION_FAILURE
UnityEngine.Debug:LogWarning (object)
OVRManager:OVRPluginLogCallback (OVRPlugin/LogLevel,intptr,int) (at Assets/Oculus/VR/Scripts/OVRManager.cs:1532)[OVRPlugin] [XRCMD][failure] [XR_ERROR_VALIDATION_FAILURE]: xrReleaseSwapchainImage(swapchain, &releaseInfo), arvr\projects\integrations\ovrplugin\src\util\compositoropenxr.cpp:5216
UnityEngine.Debug:LogWarning (object)
OVRManager:OVRPluginLogCallback (OVRPlugin/LogLevel,intptr,int) (at Assets/Oculus/VR/Scripts/OVRManager.cs:1532)[OVRPlugin] xrReleaseSwapchainImage() failed: XR_ERROR_VALIDATION_FAILURE
UnityEngine.Debug:LogWarning (object)
OVRManager:OVRPluginLogCallback (OVRPlugin/LogLevel,intptr,int) (at Assets/Oculus/VR/Scripts/OVRManager.cs:1532)[OVRPlugin] [XRCMD][failure] [XR_ERROR_VALIDATION_FAILURE]: xrEndFrame(m_xrSession, &frameEndInfo), arvr\projects\integrations\ovrplugin\src\util\compositoropenxr.cpp:4669
UnityEngine.Debug:LogWarning (object)
OVRManager:OVRPluginLogCallback (OVRPlugin/LogLevel,intptr,int) (at Assets/Oculus/VR/Scripts/OVRManager.cs:1532)
When set to other 'Overlay Shape' values like 'Quad' or 'Cylinder', or when running on device, all is well.