# Topic List Sidebars

**URL:** <https://meta.discourse.org/t/topic-list-sidebars/107561>\
**Category:** Theme component\
**Tags:** official, topic-list-sidebars\
**Created:** [January 25, 2019, 9:35pm UTC](https://meta.discourse.org/t/topic-list-sidebars/107561 "2019-01-25T21:35:47Z")\
**Posts on this page:** 1\
**Showing post:** 45

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**Author:** ![awesomerobot](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/awesomerobot/32/142900_2.png) [@awesomerobot](https://meta.discourse.org/u/awesomerobot)\
**Post date:** [August 31, 2021, 4:12am UTC](https://meta.discourse.org/t/topic-list-sidebars/107561/45 "2021-08-31T04:12:18Z")

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It looks like there was a regression and subcategories weren’t working in some cases, the syntax should be the same as categories: `subcategory, 123`

I’ve refactored the theme, so if you update it subcategories should work as expected!

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_[View the full topic](https://meta.discourse.org/t/topic-list-sidebars/107561)._