Detail comment

react/features/toolbar/components/Toolbar.native.js

 
         /* eslint-disable react/jsx-curly-spacing,react/jsx-handler-names */
 
-        // TODO Use an appropriate icon for toggle camera facing mode.
         return (
             <View style = { styles.secondaryToolbar }>
-                {/*
-                  * XXX Temporarily disabled until issues are fixed in
-                  * react-native-webrtc.
+                {/* FIXME There are multiple issues with the toggling of the
+                  * camera facing more. For example, switching from the user
+                  * facing camera to the environment facing camera on iOS may be
+                  * very slow or may not work at all. On Android the toggling
+                  * either works or does not. The causes of the various problems
+                  * have been identified to lie within either
+                  * react-native-webrtc or Google's native WebRTC API.
+                  *
                 <ToolbarButton
                     iconName = 'switch-camera'
                     iconStyle = { iconStyle }
                     onClick = { this._toggleCameraFacingMode }
                     style = { style }
                     underlayColor = { underlayColor } />
-                */}
+                  */}
                 <ToolbarButton
                     iconName = {
                         this.props._locked ? 'security-locked' : 'security'