[cna] Upgrade to Biome 2.4 with Tailwind support#86065
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eps1lon merged 1 commit intovercel:canaryfrom Mar 27, 2026
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Pull request overview
This PR upgrades Biome from version 2.2.0 to 2.4.2 across all create-next-app templates to enable Tailwind v4 directive parsing support. The upgrade allows re-enabling the "noUnknownAtRules" linting rule that was previously disabled to work around Biome's lack of Tailwind support.
Changes:
- Upgraded
@biomejs/biomedependency from 2.2.0 to 2.4.2 - Updated schema URLs in all biome.json configuration files to version 2.4.2
- Added
css.parser.tailwindDirectivesconfiguration to all Tailwind templates (-tw suffix) - Removed
suspicious.noUnknownAtRules: "off"override from Tailwind templates
Reviewed changes
Copilot reviewed 20 out of 20 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| packages/create-next-app/templates/index.ts | Updates Biome dependency to 2.4.2 |
| test/integration/create-next-app/snapshots/biome-config.test.ts.snap | Updates test snapshot with new schema version |
| packages/create-next-app/templates/*/biome.json (all templates) | Updates schema URL to 2.4.2 |
| packages/create-next-app/templates/-tw/biome.json (Tailwind templates) | Adds tailwindDirectives parser setting and removes noUnknownAtRules override |
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Failing test suitesCommit: 86ccdfa | About building and testing Next.js |
eps1lon
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Biome 2.3.x added support for parsing Tailwind v4 directives (biomejs/biome#7164).
In the past, we disabled the "noUnknownAtRules" linting rule entirely (#83059). Now we should be able to re-enable it!