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 additional …

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 March 29, 2026, 2:06am 3

Hi @bck055

that looks like the Discourse Docs Categories plugin:

Topic		Replies	Views
Sidebar with categories Plugin	36	9668	June 9, 2020
How to create a sidebar similar to meta documentation sidebar? Support	3	107	October 26, 2024
Discourse Doc Categories Plugin official , doc-categories	127	8217	April 7, 2026
Topic List Sidebars Theme component official , topic-list-sidebars	23	14158	February 24, 2026
Questions about subcategories displaying in wiki sidebar Support	5	164	December 22, 2024

Theme customize - sidebar content

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