WebEngineView crashes on right click or long touch press

Boot the device using the demo image and wait for the application launcher.
Select Web Browser demo application.
After the Web Browser application has started, perform a long press touch or click the right mouse button anywhere in the WebView area.
Application locks up (crashes)

Can also be duplicated by creating a simple QtQuick 2.5 app that instantiates a WebEngineView. Console output upon crash is as follows:

file:///usr/lib/qml/QtQuick/Controls/Private/ScrollViewHelper.qml:186:9: QML Binding: Property 'raised' does not exist on Item.
file:///usr/lib/qml/QtQuick/Controls/Private/ScrollViewHelper.qml:137:9: QML Binding: Property 'raised' does not exist on Item.
EGLFS: OpenGL windows cannot be mixed with others.
Application crashed: /webtest
Process stopped
quit