Developer Guides

Topic	Replies	Views	Activity
Developer Guides Index index Documentation about extending Discourse with plugins, themes, and theme components, working with the core code, and using the Discourse API. Introduction Introduction: Introduction to Discourse Development Development…	1	1609	May 25, 2024
Theme modifiers: A brief introduction theme-guides	20	4467	October 24, 2025
Repackaging a markdown-it extension as a Discourse plugin explanation , plugin-guides	1	2346	June 26, 2025
Using Transformers to customize client-side values and behavior	1	481	November 3, 2025
Using modifyClass to change core behavior	5	2172	March 10, 2025
Get started with Theme Creator and the Theme CLI how-to , theme-creator , theme-guides	7	12505	January 27, 2026
Designing for Different Devices (Viewport Size, Touch/Hover, etc.)	14	439	January 25, 2026
Developing Discourse using a Dev Container	8	13419	January 19, 2026
Install Discourse for development using Docker dev-install , docker , how-to	218	84980	January 6, 2026
Using the JS API plugin-api , explanation , code	17	11613	November 25, 2025
Discourse toolkit to render forms	28	1150	December 23, 2025
Using service objects in Discourse	0	467	October 30, 2024
Adding preview screenshots to Discourse themes	2	278	July 16, 2025
Developing Discourse Plugins - Part 2 - Connect to a plugin outlet plugin-guides , tutorial	38	29698	November 23, 2025
Change icons globally how-to	26	9465	October 5, 2025
Run Discourse AI evals	1	98	December 1, 2025
Objects type for theme setting theme-guides , how-to	26	1618	December 2, 2025
AppEvents Triggers Reference	0	390	November 26, 2024
Update themes and plugins to support automatic dark mode how-to , auto-dark , theme-guides	10	4124	November 14, 2025
Set up Discourse for development on Fedora Linux dev-install , how-to	10	4268	November 12, 2025
Customizing the topic list	0	680	February 4, 2025
Install Discourse on macOS for development dev-install , how-to	101	113019	September 23, 2025
Replace Discourse's default SVG icons with custom icons in a theme how-to , theme-guides	8	8679	September 17, 2025
Pinning plugin and theme versions for older Discourse installs (.discourse-compatibility)	3	1186	September 15, 2025
Developing Discourse on GitHub Codespaces	14	1345	September 9, 2025
Write end-to-end system specs for the Discourse user interface	3	527	August 28, 2025
Install the Discourse Theme CLI console app to help you build themes how-to , theme-guides	13	31254	August 23, 2025
Create and share a font theme component how-to , theme-guides	4	5865	August 19, 2025
Create and share a color scheme how-to	1	6121	August 1, 2025
Controlling site settings with themes	0	163	July 16, 2025

Developer Guides Index

index

Documentation about extending Discourse with plugins, themes, and theme components, working with the core code, and using the Discourse API. Introduction Introduction: Introduction to Discourse Development Development…