Ability to define rules at column level, to control the data fields available to different roles (e.g. employee salary visible to the users in finance roles only, while other employee details visible...
So yes, now you can make a certain column unavailable for a certain role. But then the end user, with this role, just sees an error in all the visuales where the column is used. In my opinion the goal would be to then show the user at least all the other columns he is allowed to see. Without any error or warning. Since this is currently not the case and you have to use external tools, I would suggest to keep this topic as not yet solved.
