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Tommy D. Rossi db27049caa
fix(@tailwindcss/vite): include @variant in feature detection (#19966)
Fixes #19964

CSS files imported via JS that only use `@variant` (no `@apply`,
`theme()`, or utility classes) are silently skipped by the Vite plugin.
The `@variant` directive gets passed through raw to the browser, which
drops it as an unknown at-rule.

**Root cause** — `Features.Variants` is missing from the [feature
detection
bitmask](https://github.com/tailwindlabs/tailwindcss/blob/v4.2.4/packages/%40tailwindcss-vite/src/index.ts#L526):

```ts
// before
Features.AtApply | Features.JsPluginCompat | Features.ThemeFunction | Features.Utilities

// after
Features.AtApply | Features.JsPluginCompat | Features.ThemeFunction | Features.Utilities | Features.Variants
```

**Reproduction** — https://github.com/remorses/tailwind-variant-bug

---------

Co-authored-by: Robin Malfait <malfait.robin@gmail.com>
2026-04-24 14:11:48 +00:00
.github use pnpm@9.6.0 2026-04-20 17:02:28 +02:00
crates 4.2.4 (#19948) 2026-04-21 14:52:34 +02:00
integrations Always resolve relative files, relative to the current .css file (#19965) 2026-04-24 15:07:56 +02:00
packages fix(@tailwindcss/vite): include @variant in feature detection (#19966) 2026-04-24 14:11:48 +00:00
patches Bump Lightning CSS (#19771) 2026-03-18 15:57:52 +01:00
playgrounds Bump dependencies in playgrounds (#19954) 2026-04-23 12:51:20 +02:00
scripts Make TypeScript a bit more happy (#19124) 2025-10-14 19:52:46 +00:00
.gitignore Fix slow unit test (#17465) 2025-03-31 15:26:01 +02:00
.prettierignore Bump dependencies (#19608) 2026-02-04 12:38:50 +01:00
Cargo.lock Remove unused crossbeam dependency in oxide (#19256) 2025-11-04 10:37:21 -05:00
Cargo.toml Hoist oxide/crates to just crates (#13333) 2024-03-23 09:00:48 -04:00
CHANGELOG.md fix(@tailwindcss/vite): include @variant in feature detection (#19966) 2026-04-24 14:11:48 +00:00
LICENSE Add README, LICENSE, and CONTRIBUTING (#13088) 2024-03-05 14:45:39 -05:00
package.json Bump Lightning CSS (#19771) 2026-03-18 15:57:52 +01:00
pnpm-lock.yaml Bump dependencies in playgrounds (#19954) 2026-04-23 12:51:20 +02:00
pnpm-workspace.yaml Bump Lightning CSS (#19771) 2026-03-18 15:57:52 +01:00
README.md docs: fix GitHub links to tailwindlabs org (#19686) 2026-02-17 13:06:49 +01:00
rust-toolchain.toml Improve Oxide candidate extractor [0] (#16306) 2025-03-05 11:55:24 +01:00
turbo.json Fix segmentation fault when loading @tailwindcss/oxide in a Worker thread (#17276) 2025-03-18 16:28:20 -04:00
vitest.config.ts Bump Vitest to v4 (#19216) 2025-11-20 18:16:20 -05:00

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