I have a website which lists concerts and festival and some of them are returning each year. I have made a custom taxonomy where you can add the post to a year (2017, 2018, 2019 and so on). I also added the custom taxonomy to the slug (/shows/%archive%/%postname%/ – where archive is the year the post is in).
This works all like it should, URLs are now: /2017/name-of-show or /2018/name-of-festival
But when I re-add a festival for the next years edition I still get the URL with a -2 at the end, because of the post slug is already taken, while it should be /2017/festival-name and /2018/festival-name instead of /2018/festival-name-2
Am I missing something, or is this just not possible to do with duplicate names/slugs?