Display subcategory tags in categories

When I filter a category on a tag, I would like to see the topics tagged with the chosen one in the subcategories as well, because right now the filter exists in the drop down but if it’s only used in subcategories, the filtered page yields no results.

E.g., if /c/foo/tags/my-tag shows nothing, but /tags/my-tag shows topics from categories in /c/foo/$here

Related topics

The current approaches I’m thinking about would be:

  1. Override proxy URLs to redirect to the tag page
  2. Use a data-explorer query to create a custom page with Discourse automation.

Probably option 2 could be a good way to get a plugin started?

I think I might be misunderstanding you, because this seems to work for me.

When I visit Documentation and filter it for reference, I can see the results from the subcategories Documentation topics tagged reference.

Is that what you mean, and what doesn’t work on your forum?

I see, indeed it works. Then it comes back to a recent bug I reported, about accents. I guess this is the same case, because on my forum in French, the tagged topics do not appear if they have an accent.

I just checked for a tag without an accent, and indeed it… doesn’t work. :frowning:

There must be a setting that prevents subcategories from showing up…

What is selected in your subcategory dropdown? I wonder if you configured the “Default list filter” for your category to show “no subcategories” and that’s why it doesn’t show topics from subcategories.