Home button not working during Chromecast Screensaver

Version: 0.9.0 (build: 42)

Device model: BRAVIA 4K UR2

Device RAM: 2301 MB

When the Chromecast screensaver is showing (the changing pictures with the time in the bottom right corner). The back button or any of the arrow buttons closes the screensaver. However the 'Home' button on the remote does not do anything.

Current behaviour

Home button does not function during Chromecast screensaver that is shown when the TV has been sitting idle for some minutes.

Expected behaviour

Home button closes the Chromecast screensaver and shows Dispatch launcher.