Update tailwindcss 4.1.12 → 4.2.2 (minor)

[depfu]

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 (4.1.12 → 4.2.2) · Repo · Changelog

Release Notes

4.2.2

Added

• Support Vite 8 in @tailwindcss/vite (#19790)

Fixed

• Don't crash when candidates contain prototype properties like row-constructor (#19725)
• Canonicalize calc(var(--spacing)*…) expressions into --spacing(…) (#19769)
• Fix crash in canonicalization step when handling utilities containing @property at-rules (e.g. shadow-sm border) (#19727)
• Skip full reload for server only modules scanned by client CSS when using @tailwindcss/vite (#19745)
• Improve canonicalization for bare values exceeding default spacing scale suggestions (e.g. w-1234 h-1234 → size-1234) (#19809)
• Fix canonicalization resulting in empty list (e.g. w-5 h-5 size-5 → '' instead of size-5) (#19812)

4.2.1

Fixed

• Allow trailing dash in functional utility names for backwards compatibility (#19696)
• Properly detect classes containing . characters within curly braces in MDX files (#19711)

4.2.0

Added

• Add mauve, olive, mist, and taupe color palettes to the default theme (#19627)
• Add @tailwindcss/webpack package to run Tailwind CSS as a webpack plugin (#19610)
• Add pbs-* and pbe-* utilities for padding-block-start and padding-block-end (#19601)
• Add mbs-* and mbe-* utilities for margin-block-start and margin-block-end (#19601)
• Add scroll-pbs-* and scroll-pbe-* utilities for scroll-padding-block-start and scroll-padding-block-end (#19601)
• Add scroll-mbs-* and scroll-mbe-* utilities for scroll-margin-block-start and scroll-margin-block-end (#19601)
• Add border-bs-* and border-be-* utilities for border-block-start and border-block-end (#19601)
• Add inline-*, min-inline-*, max-inline-* utilities for inline-size, min-inline-size, and max-inline-size (#19612)
• Add block-*, min-block-*, max-block-* utilities for block-size, min-block-size, and max-block-size (#19612)
• Add inset-s-*, inset-e-*, inset-bs-*, inset-be-* utilities for inset-inline-start, inset-inline-end, inset-block-start, and inset-block-end (#19613)
• Add font-features-* utility for font-feature-settings (#19623)

Fixed

• Prevent double @supports wrapper for color-mix values (#19450)
• Allow whitespace around @source inline() argument (#19461)
• Emit comment when source maps are saved to files when using @tailwindcss/cli (#19447)
• Detect utilities containing capital letters followed by numbers (#19465)
• Fix class extraction for Rails' strict locals (#19525)
• Align @utility name validation with Oxide scanner rules (#19524)
• Fix infinite loop when using @variant inside @custom-variant (#19633)
• Allow multiples of .25 in aspect-* fractions (e.g. aspect-8.5/11) (#19688)
• Ensure changes to external files listed via @source trigger a full page reload when using @tailwindcss/vite (#19670)
• Improve performance of Oxide scanner in bigger projects by reducing file system walks (#19632)
• Ensure import aliases in Astro v5 work without crashing when using @tailwindcss/vite (#19677)
• Allow escape characters in @utility names to improve support with formatters such as Biome (#19626)
• Fix incorrect canonicalization results when canonicalizing multiple times (#19675)
• Add .jj to default ignored content directories (#19687)

Deprecated

• Deprecate start-* and end-* utilities in favor of inset-s-* and inset-e-* utilities (#19613)

4.1.18

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)

4.1.17

Fixed

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

4.1.16

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)

4.1.15

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)

4.1.14

Fixed

• Handle ' syntax in ClojureScript when extracting classes (#18888)
• Handle @variant inside @custom-variant (#18885)
• Merge suggestions when using @utility (#18900)
• Ensure that file system watchers created when using the CLI are always cleaned up (#18905)
• Do not generate grid-column utilities when configuring grid-column-start or grid-column-end (#18907)
• Do not generate grid-row utilities when configuring grid-row-start or grid-row-end (#18907)
• Prevent duplicate CSS when overwriting a static utility with a theme key (#18056)
• Show Lightning CSS warnings (if any) when optimizing/minifying (#18918)
• Use default export condition for @tailwindcss/vite (#18948)
• Re-throw errors from PostCSS nodes (#18373)
• Detect classes in markdown inline directives (#18967)
• Ensure files with only @theme produce no output when built (#18979)
• Support Maud templates when extracting classes (#18988)
• Upgrade: Do not migrate variant = 'outline' during upgrades (#18922)
• Upgrade: Show version mismatch (if any) when running upgrade tool (#19028)
• Upgrade: Ensure first class inside className is migrated (#19031)
• Upgrade: Migrate classes inside *ClassName and *Class attributes (#19031)

4.1.13

Changed

• Drop warning from browser build (#18731)
• Drop exact duplicate declarations when emitting CSS (#18809)

Fixed

• Don't transition visibility when using transition (#18795)
• Discard matched variants with unknown named values (#18799)
• Discard matched variants with non-string values (#18799)
• Show suggestions for known matchVariant values (#18798)
• Replace deprecated clip with clip-path in sr-only (#18769)
• Hide internal fields from completions in matchUtilities (#18820)
• Ignore .vercel folders by default (can be overridden by @source … rules) (#18855)
• Consider variants starting with @- to be invalid (e.g. @-2xl:flex) (#18869)
• Do not allow custom variants to start or end with a - or _ (#18867, #18872)
• Upgrade: Migrate aria theme keys to @custom-variant (#18815)
• Upgrade: Migrate data theme keys to @custom-variant (#18816)
• Upgrade: Migrate supports theme keys to @custom-variant (#18817)

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

Commits

See the full diff on Github. The new version differs by more commits than we can show here.

---

Depfu will automatically keep this PR conflict-free, as long as you don't add any commits to this branch yourself. You can also trigger a rebase manually by commenting with @depfu rebase.

All Depfu comment commands

@​depfu rebase

Rebases against your default branch and redoes this update

@​depfu recreate

Recreates this PR, overwriting any edits that you've made to it

@​depfu merge

Merges this PR once your tests are passing and conflicts are resolved

@​depfu cancel merge

Cancels automatic merging of this PR

@​depfu close

Closes this PR and deletes the branch

@​depfu reopen

Restores the branch and reopens this PR (if it's closed)

@​depfu pause

Ignores all future updates for this dependency and closes this PR

@​depfu pause [minor|major]

Ignores all future minor/major updates for this dependency and closes this PR

@​depfu resume

Future versions of this dependency will create PRs again (leaves this PR as is)