So I got distracted a bit, hitting a bug while searching for a solution, but in the end I didn’t find a solution either. Sometimes, when debugging odd behaviour, I create a copy of the theme (either “create new” and have an empty default theme, or “from a git repository” and adding the link to the …

Isn’t foundation the same as a new, empty theme? I don’t see anything here apart from the description and the screenshots: discourse/themes/foundation at main · discourse/discourse A platform for community discussion. Free, open, simple. - discourse/discourse

You are correct, as always. Still, same issue for Horizon.

I guess there are some disadvantages to having a large monorepo…

Duplicating Foundation or Horizon

Support

Moin October 6, 2025, 4:25pm 4

I think you can use the files in discourse/themes/horizon at main · discourse/discourse · GitHub to create a copy of horizon

Topic		Replies	Views
How to have multiple copies of Default theme? Support	8	141	May 1, 2025
Introducing core themes Announcements	6	377	July 15, 2025
Best Workflow for Maintaining Themes? Development	6	1147	April 27, 2020
Foundation theme? Support	7	316	July 27, 2025
Default theme repository Support	4	190	June 23, 2024

Duplicating Foundation or Horizon

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