I'm trying to figure this out as well... I saw in another post that the SORT filter only works on strings and not date fields. For a hack, I added a new field to my metaobject called `date_string` and then did `sort: 'date_string'` and that works fin...

+1 for this functionality

I am having this same issue... can't figure out how to access the list of values correctly. ANy progress?