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@dependabot dependabot bot commented on behalf of github Dec 12, 2025

Bumps tailwindcss from 3.4.17 to 4.1.18.

Release notes

Sourced from tailwindcss's releases.

v4.1.18

Fixed

  • Ensure validation of source(…) happens relative to the file it is in (#19274)
  • Include filename and line numbers in CSS parse errors (#19282)
  • Skip comments in Ruby files when checking for class names (#19243)
  • Skip over arbitrary property utilities with a top-level ! in the value (#19243)
  • Support environment API in @tailwindcss/vite (#18970)
  • Preserve case of theme keys from JS configs and plugins (#19337)
  • Write source maps correctly on the CLI when using --watch (#19373)
  • Handle special defaults (like ringColor.DEFAULT) in JS configs (#19348)
  • Improve backwards compatibility for content theme key from JS configs (#19381)
  • Upgrade: Handle future and experimental config keys (#19344)
  • Try to canonicalize any arbitrary utility to a bare value (#19379)
  • Validate candidates similarly to Oxide (#19397)
  • Canonicalization: combine text-* and leading-* classes (#19396)
  • Correctly handle duplicate CLI arguments (#19416)
  • Don’t emit color-mix fallback rules inside @keyframes (#19419)
  • CLI: Don't hang when output is /dev/stdout (#19421)

v4.1.17

Fixed

  • Substitute @variant inside legacy JS APIs (#19263)
  • Prevent occasional crash on Windows when loaded into a worker thread (#19242)

v4.1.16

Fixed

  • Discard candidates with an empty data type (#19172)
  • Fix canonicalization of arbitrary variants with attribute selectors (#19176)
  • Fix invalid colors due to nested & (#19184)
  • Improve canonicalization for & > :pseudo and & :pseudo arbitrary variants (#19178)

v4.1.15

Fixed

  • Fix Safari devtools rendering issue due to color-mix fallback (#19069)
  • Suppress Lightning CSS warnings about :deep, :slotted, and :global (#19094)
  • Fix resolving theme keys when starting with the name of another theme key in JS configs and plugins (#19097)
  • Allow named groups in combination with not-*, has-*, and in-* (#19100)
  • Prevent important utilities from affecting other utilities (#19110)
  • Don’t index into strings with the theme(…) function (#19111)
  • Fix parsing issue when \t is used in at-rules (#19130)
  • Upgrade: Canonicalize utilities containing 0 values (#19095)
  • Upgrade: Migrate deprecated break-words to wrap-break-word (#19157)

Changed

  • Remove the postinstall script from oxide (#19149)

... (truncated)

Changelog

Sourced from tailwindcss's changelog.

[4.1.18] - 2025-12-11

Fixed

  • Ensure validation of source(…) happens relative to the file it is in (#19274)
  • Include filename and line numbers in CSS parse errors (#19282)
  • Skip comments in Ruby files when checking for class names (#19243)
  • Skip over arbitrary property utilities with a top-level ! in the value (#19243)
  • Support environment API in @tailwindcss/vite (#18970)
  • Preserve case of theme keys from JS configs and plugins (#19337)
  • Write source maps correctly on the CLI when using --watch (#19373)
  • Handle special defaults (like ringColor.DEFAULT) in JS configs (#19348)
  • Improve backwards compatibility for content theme key from JS configs (#19381)
  • Upgrade: Handle future and experimental config keys (#19344)
  • Try to canonicalize any arbitrary utility to a bare value (#19379)
  • Validate candidates similarly to Oxide (#19397)
  • Canonicalization: combine text-* and leading-* classes (#19396)
  • Correctly handle duplicate CLI arguments (#19416)
  • Don’t emit color-mix fallback rules inside @keyframes (#19419)
  • CLI: Don't hang when output is /dev/stdout (#19421)

[3.4.19] - 2025-12-10

Fixed

  • Don’t break sibling-*() functions when used inside calc(…) (#19335)

[4.1.17] - 2025-11-06

Fixed

  • Substitute @variant inside legacy JS APIs (#19263)
  • Prevent occasional crash on Windows when loaded into a worker thread (#19242)

[4.1.16] - 2025-10-23

Fixed

  • Discard candidates with an empty data type (#19172)
  • Fix canonicalization of arbitrary variants with attribute selectors (#19176)
  • Fix invalid colors due to nested & (#19184)
  • Improve canonicalization for & > :pseudo and & :pseudo arbitrary variants (#19178)

[4.1.15] - 2025-10-20

Fixed

  • Fix Safari devtools rendering issue due to color-mix fallback (#19069)
  • Suppress Lightning CSS warnings about :deep, :slotted, and :global (#19094)
  • Fix resolving theme keys when starting with the name of another theme key in JS configs and plugins (#19097)

... (truncated)

Commits

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Bumps [tailwindcss](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/tailwindcss) from 3.4.17 to 4.1.18.
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/commits/v4.1.18/packages/tailwindcss)

---
updated-dependencies:
- dependency-name: tailwindcss
  dependency-version: 4.1.18
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file javascript Pull requests that update javascript code labels Dec 12, 2025
@dependabot dependabot bot requested a review from a team as a code owner December 12, 2025 05:32
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