How to retrieve a 'Boxset' tag?

[hiccup]

To anyone interested in the matter, this is a thread where boxsets were discussed some 7 years ago.
(the thread was locked, so it’s probably not open to discussion anymore)

2-in-1 release groups and other boxsets (STYLE-330, STYLE-331, STYLE-335)

Looking at our most voted style tickets, there’s a group of three that seem both actionable and closely related: The combination of these would get us the following changes: A new “Box Set” primary type (along Album, EP and Single). There’s an attempt at a definition but I’m not very happy with it and I’d expect to get some attempts at a better one as part of the discussion. A change to our definition of compilations so that “A release containing two albums and/or EPs” is no longer excluded …