Edit: This is a duplicate of Maximum on date field and Views aggregation issue.
I've made a view using aggregation on a date field (revision created date). I want to show the minimum date for a group of rows. But when I do this it changes to an integer field.
This is what the field widget looks like before applying the MIN aggregation function:
And this is what it looks like afterwards:
The only thing I've found online is this which suggests the problem was fixed 9 years ago! https://www.drupal.org/project/views/issues/1110706 What could I be doing wrong? Ta.