"The image types available for selection should not include image types that are incompatible with the machine and distro selections. For example, if I have selected Beagleboard as my machine, I should not see a checkbox for the 'vmdk' image type. I don't think this feature to detect incompatible image types exists at the moment in Bitbake."
This is the other part ( 1. Display only those image types that make sense) of https://bugzilla.yoctoproject.org/show_bug.cgi?id=3197.
Agreed with Belen to move this to Future.
This relate to HOB, we'll address it in Toaster. So close this bug and may open a new one for Toaster.