[REG 5.8.0 > 5.9.0] QWebEngineView doesn't forward unhandled keyPress events to parentWidget

On qtwebengine 5.8 the keyEvents not consumed by the page were forwarded to parentWidget, eg, plain characters "hjkl", modifiers, etc. On 5.9 only keyEvents for modifiers seems to be forwarded. Plain characters are not. I attached a small code that prints keyEvents on 5.8 but doesn't print anything on 5.9.