Is it possible to create child themes?

[pfaffman (Jay Pfaffman)]

What version of Discourse are you running?

Theme components have been around for a while.

If you have just one theme, you’ll want to split it up into some subthemes as you describe. . . See

Beginner's guide to using Discourse Themes

This is a crash course in Discourse theme basics. The target audience is everyone who is not familiar with Discourse themes. If you’ve already used Discourse theme / theme components, this guide is probably not something you need to read. What are themes and theme components? A theme or theme component is a set of files packaged together designed to either modify Discourse visually or to add new features. Let’s start with themes. Themes In general, themes are not supposed to be compatible wi…