**OpenVR SDK 1.8.19**

Properties:
* Added Prop_DashboardScale_Float.  Each headset has the opportunity to provide a scale for 'comfortable dashboard UI legibility'.  For reference, Vive is 1.0 scale and Index is 0.75 scale.
* Added Prop_IpdUIRangeMinMeters_Float, Prop_IpdUIRangeMaxMeters_Float to control the IPD user interface range, in-headset.
* Added Prop_Audio_DefaultPlaybackDeviceId_String, Prop_Audio_DefaultRecordingDeviceId_String for HMDs to provide identifiers for associated audio playback and recording devices. On Windows these are Endpoint ID Strings.
* Added Prop_Audio_DefaultPlaybackDeviceVolume_Float for HMDs to specify a default volume level which will be set the first time the HMDs associated audio playback device is selected. Prop_Audio_DefaultPlaybackDeviceId_String must also be set. The volume range is 0 to 1.

IVRApplications:
* Added GetSceneApplicationState(), which returns the running application state ( None, Starting, Quitting, Running, etc).  See VREvent_SceneApplicationStateChanged
* Removed GetTransitionState()
* Removed IsQuitUserPromptRequested()

IVRSystem:
* Removed AcknowledgeQuit_UserPrompt().   "Prompt user on quit" functionality is no longer supported.

IVROverlay:
* Added VROverlayFlags_HideLaserIntersection - This causes the laser mouse to not draw the intersection blob for this overlay. The overlay is responsible for drawing its own cursor, if appropriate.
* Added support for rendering overlays as gravity aligned curved surfaces. See new Set/GetOverlayCurvature definitions for details.
* Removed gamepad support in overlays. This includes GetGamepadFocusOverlay(), SetGamepadFocusOverlay(), SetOverlayNeighbor(), and MoveGamepadFocusToNeighbor(). Going forward gamepads will be supported via lasermouse instead of with these custom calls. 

IVRInput:
* Added OpenBindingUI - This function opens the binding user interface.

Events:
* Added VREvent_SceneApplicationStateChanged
* Removed VREvent_SceneFocusLost, VREvent_SceneFocusGained, VREvent_SceneApplicationSecondaryRenderingStarted, VREvent_ApplicationTransition{*}
* Removed VREvent_QuitAborted_UserPrompt

[git-p4: depot-paths = "//vr/steamvr/sdk_release/": change = 5469045]

Author: JoeLudwig

bin/linux32/empty.dir

@@ -15,8 +15,8 @@
 namespace vr
 {
 	static const uint32_t k_nSteamVRVersionMajor = 1;
-	static const uint32_t k_nSteamVRVersionMinor = 7;
-	static const uint32_t k_nSteamVRVersionBuild = 15;
+	static const uint32_t k_nSteamVRVersionMinor = 8;
+	static const uint32_t k_nSteamVRVersionBuild = 19;
 } // namespace vr
 
 // vrtypes.h
@@ -440,7 +440,10 @@ enum ETrackedDeviceProperty
 	Prop_DisplayColorMultLeft_Vector3			= 2082,
 	Prop_DisplayColorMultRight_Vector3			= 2083,
 
-	Prop_DashboardLayoutPathName_String			= 2090,
+	Prop_DashboardLayoutPathName_String 		= 2090,
+	Prop_DashboardScale_Float 					= 2091,
+	Prop_IpdUIRangeMinMeters_Float 				= 2100,
+	Prop_IpdUIRangeMaxMeters_Float 				= 2101,
 
 	// Driver requested mura correction properties
 	Prop_DriverRequestedMuraCorrectionMode_Int32		= 2200,
@@ -453,6 +456,10 @@ enum ETrackedDeviceProperty
 	Prop_DriverRequestedMuraFeather_OuterTop_Int32		= 2207,
 	Prop_DriverRequestedMuraFeather_OuterBottom_Int32	= 2208,
 
+	Prop_Audio_DefaultPlaybackDeviceId_String		= 2300,
+	Prop_Audio_DefaultRecordingDeviceId_String		= 2301,
+	Prop_Audio_DefaultPlaybackDeviceVolume_Float	= 2302,
+
 	// Properties that are unique to TrackedDeviceClass_Controller
 	Prop_AttachedDeviceId_String				= 3000,
 	Prop_SupportedButtons_Uint64				= 3001,
@@ -696,18 +703,20 @@ enum EVREventType
 
 	VREvent_InputFocusCaptured			= 400, // data is process DEPRECATED
 	VREvent_InputFocusReleased			= 401, // data is process DEPRECATED
-	VREvent_SceneFocusLost				= 402, // data is process
-	VREvent_SceneFocusGained			= 403, // data is process
+	// VREvent_SceneFocusLost			= 402, // data is process
+	// VREvent_SceneFocusGained			= 403, // data is process
 	VREvent_SceneApplicationChanged		= 404, // data is process - The App actually drawing the scene changed (usually to or from the compositor)
 	VREvent_SceneFocusChanged			= 405, // data is process - New app got access to draw the scene
 	VREvent_InputFocusChanged			= 406, // data is process
-	VREvent_SceneApplicationSecondaryRenderingStarted = 407, // data is process
+	// VREvent_SceneApplicationSecondaryRenderingStarted = 407,
 	VREvent_SceneApplicationUsingWrongGraphicsAdapter = 408, // data is process
 	VREvent_ActionBindingReloaded		 = 409, // data is process - The App that action binds reloaded for
 
 	VREvent_HideRenderModels			= 410, // Sent to the scene application to request hiding render models temporarily
 	VREvent_ShowRenderModels			= 411, // Sent to the scene application to request restoring render model visibility
 
+	VREvent_SceneApplicationStateChanged = 412, // No data; but query VRApplications()->GetSceneApplicationState();
+
 	VREvent_ConsoleOpened               = 420,
 	VREvent_ConsoleClosed               = 421,
 
@@ -752,7 +761,7 @@ enum EVREventType
 
 	VREvent_Quit							= 700, // data is process
 	VREvent_ProcessQuit						= 701, // data is process
-	VREvent_QuitAborted_UserPrompt			= 702, // data is process
+	//VREvent_QuitAborted_UserPrompt			= 702, // data is process
 	VREvent_QuitAcknowledged				= 703, // data is process
 	VREvent_DriverRequestedQuit				= 704, // The driver has requested that SteamVR shut down
 	VREvent_RestartRequested				= 705, // A driver or other component wants the user to restart SteamVR
@@ -801,12 +810,12 @@ enum EVREventType
 	VREvent_KeyboardCharInput				= 1201,
 	VREvent_KeyboardDone					= 1202, // Sent when DONE button clicked on keyboard
 
-	VREvent_ApplicationTransitionStarted		= 1300,
-	VREvent_ApplicationTransitionAborted		= 1301,
-	VREvent_ApplicationTransitionNewAppStarted	= 1302,
+	//VREvent_ApplicationTransitionStarted		= 1300,
+	//VREvent_ApplicationTransitionAborted		= 1301,
+	//VREvent_ApplicationTransitionNewAppStarted	= 1302,
 	VREvent_ApplicationListUpdated				= 1303,
 	VREvent_ApplicationMimeTypeLoad				= 1304,
-	VREvent_ApplicationTransitionNewAppLaunchComplete = 1305,
+	// VREvent_ApplicationTransitionNewAppLaunchComplete = 1305,
 	VREvent_ProcessConnected					= 1306,
 	VREvent_ProcessDisconnected					= 1307,
 
@@ -820,6 +829,7 @@ enum EVREventType
 	VREvent_Compositor_ApplicationNotResponding	= 1415,
 	VREvent_Compositor_ApplicationResumed		= 1416,
 	VREvent_Compositor_OutOfVideoMemory			= 1417,
+	VREvent_Compositor_DisplayModeNotSupported	= 1418, // k_pch_SteamVR_PreferredRefreshRate
 
 	VREvent_TrackedCamera_StartVideoStream  = 1500,
 	VREvent_TrackedCamera_StopVideoStream   = 1501,
@@ -871,6 +881,7 @@ enum EDeviceActivityLevel
 	k_EDeviceActivityLevel_UserInteraction = 1,				// Activity (movement or prox sensor) is happening now	
 	k_EDeviceActivityLevel_UserInteraction_Timeout = 2,		// No activity for the last 0.5 seconds
 	k_EDeviceActivityLevel_Standby = 3,						// Idle for at least 5 seconds (configurable in Settings -> Power Management)
+	k_EDeviceActivityLevel_Idle_Timeout = 4,
 };
 
 
@@ -1537,6 +1548,7 @@ enum EVRInitError
 	VRInitError_Init_AlreadyRunning					= 143,
 	VRInitError_Init_FailedForVrMonitor				= 144,
 	VRInitError_Init_PropertyManagerInitFailed		= 145,
+	VRInitError_Init_WebServerFailed				= 146,
 
 	VRInitError_Driver_Failed						= 200,
 	VRInitError_Driver_Unknown						= 201,
@@ -1653,6 +1665,7 @@ enum EVRInitError
 	VRInitError_Compositor_CreateLastFrameRenderTexture							= 484,
 	VRInitError_Compositor_CreateMirrorOverlay									= 485,
 	VRInitError_Compositor_FailedToCreateVirtualDisplayBackbuffer				= 486,
+	VRInitError_Compositor_DisplayModeNotSupported								= 487,
 
 	VRInitError_VendorSpecific_UnableToConnectToOculusRuntime		= 1000,
 	VRInitError_VendorSpecific_WindowsNotInDevMode					= 1001,
@@ -2184,16 +2197,19 @@ namespace vr
 	static const char * const k_pch_SteamVR_BackgroundDomeRadius_Float = "backgroundDomeRadius";
 	static const char * const k_pch_SteamVR_GridColor_String = "gridColor";
 	static const char * const k_pch_SteamVR_PlayAreaColor_String = "playAreaColor";
+	static const char * const k_pch_SteamVR_TrackingLossColor_String = "trackingLossColor";
 	static const char * const k_pch_SteamVR_ShowStage_Bool = "showStage";
 	static const char * const k_pch_SteamVR_ActivateMultipleDrivers_Bool = "activateMultipleDrivers";
 	static const char * const k_pch_SteamVR_UsingSpeakers_Bool = "usingSpeakers";
 	static const char * const k_pch_SteamVR_SpeakersForwardYawOffsetDegrees_Float = "speakersForwardYawOffsetDegrees";
 	static const char * const k_pch_SteamVR_BaseStationPowerManagement_Int32 = "basestationPowerManagement";
+	static const char * const k_pch_SteamVR_ShowBaseStationPowerManagementTip_Int32 = "ShowBaseStationPowerManagementTip";
 	static const char * const k_pch_SteamVR_NeverKillProcesses_Bool = "neverKillProcesses";
 	static const char * const k_pch_SteamVR_SupersampleScale_Float = "supersampleScale";
 	static const char * const k_pch_SteamVR_MaxRecommendedResolution_Int32 = "maxRecommendedResolution";
 	static const char * const k_pch_SteamVR_MotionSmoothing_Bool = "motionSmoothing";
 	static const char * const k_pch_SteamVR_MotionSmoothingOverride_Int32 = "motionSmoothingOverride";
+	static const char * const k_pch_SteamVR_DisableAsyncReprojection_Bool = "disableAsync";
 	static const char * const k_pch_SteamVR_ForceFadeOnBadTracking_Bool = "forceFadeOnBadTracking";
 	static const char * const k_pch_SteamVR_DefaultMirrorView_Int32 = "mirrorView";
 	static const char * const k_pch_SteamVR_ShowLegacyMirrorView_Bool = "showLegacyMirrorView";
@@ -2254,7 +2270,6 @@ namespace vr
 	static const char * const k_pch_Lighthouse_PowerManagedBaseStations2_String = "PowerManagedBaseStations2";
 	static const char * const k_pch_Lighthouse_InactivityTimeoutForBaseStations_Int32 = "InactivityTimeoutForBaseStations";
 	static const char * const k_pch_Lighthouse_EnableImuFallback_Bool = "enableImuFallback";
-	static const char * const k_pch_Lighthouse_NewPairing_Bool = "newPairing";
 
 	//-----------------------------------------------------------------------------
 	// null keys
@@ -2316,6 +2331,7 @@ namespace vr
 	static const char * const k_pch_CollisionBounds_ColorGammaG_Int32 = "CollisionBoundsColorGammaG";
 	static const char * const k_pch_CollisionBounds_ColorGammaB_Int32 = "CollisionBoundsColorGammaB";
 	static const char * const k_pch_CollisionBounds_ColorGammaA_Int32 = "CollisionBoundsColorGammaA";
+	static const char * const k_pch_CollisionBounds_EnableDriverImport = "enableDriverBoundsImport";
 
 	//-----------------------------------------------------------------------------
 	// camera keys
@@ -2334,11 +2350,19 @@ namespace vr
 	//-----------------------------------------------------------------------------
 	// audio keys
 	static const char * const k_pch_audio_Section = "audio";
-	static const char * const k_pch_audio_OnPlaybackDevice_String = "onPlaybackDevice";
-	static const char * const k_pch_audio_OnRecordDevice_String = "onRecordDevice";
-	static const char * const k_pch_audio_OnPlaybackMirrorDevice_String = "onPlaybackMirrorDevice";
-	static const char * const k_pch_audio_OffPlaybackDevice_String = "offPlaybackDevice";
-	static const char * const k_pch_audio_OffRecordDevice_String = "offRecordDevice";
+	static const char * const k_pch_audio_SetOsDefaultPlaybackDevice_Bool = "setOsDefaultPlaybackDevice";
+	static const char * const k_pch_audio_EnablePlaybackDeviceOverride_Bool = "enablePlaybackDeviceOverride";
+	static const char * const k_pch_audio_PlaybackDeviceOverride_String = "playbackDeviceOverride";
+	static const char * const k_pch_audio_PlaybackDeviceOverrideName_String = "playbackDeviceOverrideName";
+	static const char * const k_pch_audio_SetOsDefaultRecordingDevice_Bool = "setOsDefaultRecordingDevice";
+	static const char * const k_pch_audio_EnableRecordingDeviceOverride_Bool = "enableRecordingDeviceOverride";
+	static const char * const k_pch_audio_RecordingDeviceOverride_String = "recordingDeviceOverride";
+	static const char * const k_pch_audio_RecordingDeviceOverrideName_String = "recordingDeviceOverrideName";
+	static const char * const k_pch_audio_EnablePlaybackMirror_Bool = "enablePlaybackMirror";
+	static const char * const k_pch_audio_PlaybackMirrorDevice_String = "playbackMirrorDevice";
+	static const char * const k_pch_audio_PlaybackMirrorDeviceName_String = "playbackMirrorDeviceName";
+	static const char * const k_pch_audio_OldPlaybackMirrorDevice_String = "onPlaybackMirrorDevice";
+	static const char * const k_pch_audio_LastHmdPlaybackDeviceId_String = "lastHmdPlaybackDeviceId";
 	static const char * const k_pch_audio_VIVEHDMIGain = "viveHDMIGain";
 
 	//-----------------------------------------------------------------------------
@@ -2356,11 +2380,8 @@ namespace vr
 	static const char * const k_pch_Dashboard_Section = "dashboard";
 	static const char * const k_pch_Dashboard_EnableDashboard_Bool = "enableDashboard";
 	static const char * const k_pch_Dashboard_ArcadeMode_Bool = "arcadeMode";
-	static const char * const k_pch_Dashboard_UseWebDashboard = "useWebDashboard";
+	static const char * const k_pch_Dashboard_UseWebKeyboard = "useWebKeyboard";
 	static const char * const k_pch_Dashboard_UseWebSettings = "useWebSettings";
-	static const char * const k_pch_Dashboard_UseWebIPD = "useWebIPD";
-	static const char * const k_pch_Dashboard_UseWebPowerMenu = "useWebPowerMenu";
-	static const char * const k_pch_Dashboard_UseWebNotifications = "useWebNotifications";
 
 	//-----------------------------------------------------------------------------
 	// model skin keys
@@ -2374,8 +2395,6 @@ namespace vr
 	//-----------------------------------------------------------------------------
 	// web interface keys
 	static const char* const k_pch_WebInterface_Section = "WebInterface";
-	static const char* const k_pch_WebInterface_WebEnable_Bool = "WebEnable";
-	static const char* const k_pch_WebInterface_WebPort_String = "WebPort";
 
 	//-----------------------------------------------------------------------------
 	// vrwebhelper keys

bin/linux32/libopenvr_api.so

@@ -126,7 +126,7 @@ EVRInitError VR_LoadHmdSystemInternal()
 
 	// Because we don't have a way to select debug vs. release yet we'll just
 	// use debug if it's there
-#if defined( LINUX64 )
+#if defined( LINUX64 ) || defined( LINUXARM64 )
 	std::string sTestPath = Path_Join( sRuntimePath, "bin", PLATSUBDIR );
 #else
 	std::string sTestPath = Path_Join( sRuntimePath, "bin" );

bin/linux32/libopenvr_api.so.dbg

@@ -172,7 +172,8 @@ const char *GetIDForVRInitError( vr::EVRInitError eError )
 		RETURN_ENUM_AS_STRING( VRInitError_Init_AlreadyRunning );
 		RETURN_ENUM_AS_STRING( VRInitError_Init_FailedForVrMonitor);
 		RETURN_ENUM_AS_STRING( VRInitError_Init_PropertyManagerInitFailed );
-
+		RETURN_ENUM_AS_STRING( VRInitError_Init_WebServerFailed );
+		
 		RETURN_ENUM_AS_STRING( VRInitError_Driver_Failed );
 		RETURN_ENUM_AS_STRING( VRInitError_Driver_Unknown );
 		RETURN_ENUM_AS_STRING( VRInitError_Driver_HmdUnknown);
@@ -287,6 +288,7 @@ const char *GetIDForVRInitError( vr::EVRInitError eError )
 		RETURN_ENUM_AS_STRING( VRInitError_Compositor_CreateLastFrameRenderTexture );
 		RETURN_ENUM_AS_STRING( VRInitError_Compositor_CreateMirrorOverlay );
 		RETURN_ENUM_AS_STRING( VRInitError_Compositor_FailedToCreateVirtualDisplayBackbuffer );
+		RETURN_ENUM_AS_STRING( VRInitError_Compositor_DisplayModeNotSupported );
 
 		// Vendor-specific errors
 		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_UnableToConnectToOculusRuntime);

bin/linux64/libopenvr_api.so

@@ -136,6 +136,10 @@ bool Path_UnlinkFile( const std::string &strFilename );
 #define PROGRAM_EXT ""
 #if defined( LINUX32 )
 #define PLATSUBDIR	"linux32"
+#elif defined( ANDROIDARM64 )
+#define PLATSUBDIR	"androidarm64" 
+#elif defined( LINUXARM64 )
+#define PLATSUBDIR	"linuxarm64" 
 #else
 #define PLATSUBDIR	"linux64"
 #endif

bin/linux64/libopenvr_api.so.dbg

@@ -231,18 +231,25 @@ bool CVRPathRegistry_Public::BLoadFromFile()
 	Json::Value root;
 	Json::Reader reader;
 
-	if( !reader.parse( sRegistryContents, root ) )
-	{
-		VRLog( "Unable to parse %s: %s\n", sRegPath.c_str(), reader.getFormattedErrorMessages().c_str() );
-		return false;
-	}
+	try {
+		if ( !reader.parse( sRegistryContents, root ) )
+		{
+			VRLog( "Unable to parse %s: %s\n", sRegPath.c_str(), reader.getFormattedErrorMessages().c_str() );
+			return false;
+		}
 
-	ParseStringListFromJson( &m_vecRuntimePath, root, "runtime" );
-	ParseStringListFromJson( &m_vecConfigPath, root, "config" );
-	ParseStringListFromJson( &m_vecLogPath, root, "log" );
-	if (root.isMember( "external_drivers" ) && root[ "external_drivers" ].isArray() )
+		ParseStringListFromJson( &m_vecRuntimePath, root, "runtime" );
+		ParseStringListFromJson( &m_vecConfigPath, root, "config" );
+		ParseStringListFromJson( &m_vecLogPath, root, "log" );
+		if ( root.isMember( "external_drivers" ) && root["external_drivers"].isArray() )
+		{
+			ParseStringListFromJson( &m_vecExternalDrivers, root, "external_drivers" );
+		}
+	}
+	catch ( ... )
 	{
-		ParseStringListFromJson( &m_vecExternalDrivers, root, "external_drivers" );
+		VRLog( "Unable to parse %s: %s\n", sRegPath.c_str(), "exception thrown in JSON library" );
+		return false;
 	}
 
 	return true;