rafalp/Misago

Migrate Bootstrap 3 from LESS to SASS

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#1985 opened on Aug 18, 2025

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area: frontendarea: themefuture architecturehelp wanted

Description

Bootstrap 3 has the official SASS version:

https://github.com/twbs/bootstrap-sass

misago-frontend should be migrated to it, to make future migration to Bootstrap 5 or 6 easier.

Contributor guide

Tech stack
css
Domain
frontend
Issue type
refactor
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
CSS preprocessor knowledgeBootstrap 3 familiarityProject build setup
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50
Research direction
Check the misago frontend directory for LESS files. Replace them with the equivalent SASS from bootstrap sass. Update build configuration (likely webpack or gulp) to compile SASS instead of LESS. Ensure no styling regressions. Refer to the official bootstrap sass repository for migration details.