[web] Update tailwindcss 4.3.0 → 4.3.1 (patch)

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Here is everything you need to know about this update. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ tailwindcss (4.3.0 → 4.3.1) · Repo · Changelog

Release Notes

4.3.1

Added

• Add --silent option to suppress output in @tailwindcss/cli (#20100)

Fixed

• Remove deprecation warnings by using Module#registerHooks instead of Module#register on Node 26+ (#20028)
• Canonicalization: don't crash when plugin utilities throw for unsupported values (#20052)
• Allow @apply to be used with CSS mixins (#19427)
• Ensure not-* correctly negates @container queries, including style(…) queries (#20059)
• Ensure drop-shadow-* color utilities work with custom shadow values containing calc(…) (#20080)
• Fix 'Sourcemap is likely to be incorrect' warnings when using @tailwindcss/vite (#20103)
• Ensure @tailwindcss/webpack can be installed in Rspack projects without requiring webpack as a peer dependency (#20027)
• Canonicalization: don't suggest invalid calc(…) expressions (e.g. px-[calc(1rem+0px)] → px-[calc(1rem+0)]) (#20127)
• Canonicalization: avoid suggesting large spacing-scale values for arbitrary lengths (e.g. left-[99999px] → left-[99999px], not left-24999.75) (#20130)
• Ensure @tailwindcss/cli in --watch mode recovers when a tracked dependency is deleted and restored (#20137)
• Ensure standalone @tailwindcss/cli binaries are ignored when scanning for class candidates (#20139)
• Ensure class candidates are extracted from Twig addClass(…) and removeClass(…) calls (#20198)
• Don't crash in the Ruby or Vue preprocessors when scanning files containing invalid UTF-8 bytes (#19588)
• Allow @variant to be used inside addBase (#19480)
• Ensure @source globs with symlinks are preserved (#20203)
• Ensure later @source rules can re-include files excluded by earlier @source not rules (#20203)
• Upgrade: don't migrate empty class rules to invalid @utility rules (#20205)
• Ensure transitions between inset-shadow-none and other inset shadows work correctly (#20208)
• Ensure explicitly referenced @source directories are scanned even when ignored by git (#20214)
• Ensure @source globs ending in **/* preserve dynamic path segments to avoid scanning too many files (#20217)
• Canonicalization: don't fold calc(…) divisions when the result would require high precision (e.g. w-[calc(100%/3.5)] → w-[calc(100%/3.5)], not w-[28.571428571428573%]) (#20221)
• Serve ESM type declarations to ESM importers of @tailwindcss/postcss (#20228)

Changed

• Generate 0 instead of calc(var(--spacing) * 0) for spacing utilities like m-0 and left-0 (#20196)
• Generate var(--spacing) instead of calc(var(--spacing) * 1) for spacing utilities like m-1 and left-1 (#20196)

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by 49 commits:

• 4.3.1 (#20226)
• Serve ESM type declarations to ESM importers of `@tailwindcss/postcss` (#20228)
• Fix canonicalization bug where we end up with a high precision number (#20221)
• docs: fix double word 'to to' in test comment (#20216)
• Ensure `@source` globs ending in `**/*` preserve dynamic path segments to avoid scanning too many files (#20217)
• Fix `@source` with folders that are ignored (#20214)
• Update all of react 19.2.6 → 19.2.7 (patch) (#20206)
• Update next 16.2.6 → 16.2.7 (patch) (#20207)
• Add missing `inset` keyword for `inset-shadow-none` (#20208)
• Do not crash when migrating empty classes (#20205)
• Ensure `@source` globs with symlinks are preserved (#20203)
• Allow `@variant` to be used inside `addBase` (#19480)
• fix: handle invalid UTF-8 in Ruby and Vue preprocessors (#19588)
• Add Twig pre-processor (#20198)
• Update @napi-rs/cli 3.6.2 → 3.7.0 (minor) (#20197)
• Simplify CSS when using utilities that use a `*-0` or `*-1` value (#20196)
• Ignore the standalone CLI (#20139)
• Ensure `@tailwindcss/cli` recovers from a deleted transitive dependency (#20137)
• Canonicalization: limit arbitrary to bare values conversion (#20130)
• Fix invalid canonicalization where `0<unit>` was migrated to `0` (#20127)
• duration must be at least 500ms
• Improve internal instrumentation module (#20119)
• Remove unused test (#20117)
• Expose `index` and `siblings` on walk context (#20109)
• Add Rspack optional peer dependency for @tailwindcss/webpack (#20027)
• Fix 'Sourcemap is likely to be incorrect' warnings when using `@tailwindcss/vite` (#20103)
• Cleanup lockfile / dependencies (#20102)
• Add `--silent` option to suppress output in `@tailwindcss/cli` (#20100)
• Remove `pnpm-lock.yaml` from wasm32-wasi (#20101)
• Bump dependencies (#20095)
• Improve GitHub Actions (#20093)
• Fix parsing bug in SelectorParser (#20090)
• Simplify selector combinators (#20089)
• Add `list`, `compound`, and `complex` Selector nodes (#20088)
• Improve parsing of shadow values (#20080)
• Properly negate custom variants with `@container` when used with `not-*` (#20059)
• v4: Allow `@apply` to be used with CSS mixins (#19427)
• Add Vue integration test with 1000 components (#20055)
• Harden workflow security (#20054)
• Update all of react 19.2.5 → 19.2.6 (patch) (#20050)
• Fix canonicalize crash with plugin component values (#20052)
• Cleanup tests (#20053)
• Update jiti 2.6.1 → 2.7.0 (minor) (#20044)
• Update postcss 8.5.10 → 8.5.14 (patch) (#20040)
• 🚨 [security] Update next 16.2.4 → 16.2.6 (patch) (#20039)
• move `localRequire` to else branch
• fix(node): prefer Module#registerHooks over Module#register (#20028)
• Update @tybys/wasm-util 0.10.1 → 0.10.2 (minor) (#20031)
• update changelog

🆕 tailwindcss (added, 4.3.1)

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