HereLink - "Trigger Camera" for button setting & update version?

For some reason, Qgroundcontrol doesn’t respond to “Trigger Camera” when assigned to a button on my HereLink.

The Camera Widget on the main “FLY” screen does operate the camera trigger properly.

Is there a step I may have missed to make the button assignment work?

Also - I don’t see an option for checking for new versions. How do I know if the Qgroundcontrol version on my HereLink is the latest stable version - and how do I update it if its not the latest?

Many Thanks!