So it appears that the latest firmware update hasn't solved as many issues for aperture control with Canon EF Mount lenses as people would have liked. There was a lot of hope with the firmware 2.1 update that people would have access to aperture control over all their lenses but that doesn't seem to be the case... at least not yet. With more firmware updates I predict this issue to become less and less as more lenses will start to work. Some of the issues being reported are aperture readouts changing but the actual aperture on the lens isn't moving. Below is a list and detailed discussion on what lenses are working and which ones aren't. However you do actually get an aperture read out now so you can see what F Stop you are on which is a much needed feature.