chore(deps): update tailwindcss monorepo to v4.3.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@tailwindcss/postcss (source)	4.3.0 → 4.3.1
tailwindcss (source)	4.3.0 → 4.3.1

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Release Notes

tailwindlabs/tailwindcss (@​tailwindcss/postcss)

v4.3.1

Compare Source

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)

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[netlify]

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[happy-haki]

Maintainer check 2026-06-14: holding this PR. It updates tailwindcss/@tailwindcss-postcss to 4.3.1, published 2026-06-12T17:59Z, so it does not satisfy the 7-day npm age rule yet (current cutoff: 2026-06-07T00:30Z). Netlify deploy-preview checks are also failing. Will revisit after the age window and green checks.

[coauthors]

People can be co-author:

Candidate	Reasons	Count	Add this as commit message
@happy-haki	#136 (comment) #136 (comment) #136 (comment)	3	Co-authored-by: happy-haki <266456141+happy-haki@users.noreply.github.com>

[happy-haki]

Maintainer cleanup: closing this Renovate dependency PR instead of merging now. The target package version is still younger than the repo's 7-day dependency-age policy and/or its preview checks are not clean. Main currently passes local install/check/build, so keeping the repo green and PR queue empty. Renovate can propose a fresh update after the version has aged or a newer qualifying version exists.

[happy-haki]

Closing during maintainer cleanup to keep PR queue at 0 while preserving build stability. Target update is not eligible for merge under the 7-day dependency-age policy and/or has failing preview checks.

[renovate]

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