Hello, May I get your answer how to customise the sidebar like the photo (red rectangle)? [side bar]

Hi @bck055 :wave: that looks like the Discourse Docs Categories plugin: [image] Discourse Doc Categories Plugin discourse2 Summary Discourse Doc Categories provides the ability for particular categories to be set aside for documentation, enabling additi…

Thanks Lilly for your supporting.

You can mark Lilly’s post as the :white_check_mark: Solution if it answered your question :slight_smile:

Theme customize - sidebar content

Support

Lilly (Lillian ) March 29, 2026, 2:06am 3

Hi @bck055

that looks like the Discourse Docs Categories plugin:

Topic		Replies	Views
Sidebar with categories Plugin	36	9736	June 9, 2020
How to create a sidebar similar to meta documentation sidebar? Support	3	115	October 26, 2024
Discourse Doc Categories Plugin official , doc-categories	124	8986	June 9, 2026
Topic List Sidebars Theme component official , topic-list-sidebars	23	14288	February 24, 2026
Questions about subcategories displaying in wiki sidebar Support	5	187	December 22, 2024

Theme customize - sidebar content

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