If I have a "contact" type column where I want to "allow multiple contacts" AND "restrict the list to the values" I've added to the column, then the list is not available. If I turn off the "allow multiple..." option, then it works as it should.
Is there a restriction on contact type columns that disallows using both of these options together?
Here, you can see it works correctly if the "Allow multiple contacts per cell" option is turned off:
Here, you can see it doesn't work, if I turn both options on:
I have tried this on multiple sheets and multiple columns, but I see the same problem on all of them.