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Added

Add @container-size utility (#18901)
Add scrollbar-{auto,thin,none} utilities for scrollbar-width, and scrollbar-thumb-* / scrollbar-track-* color utilities for scrollbar-color (#19981, #20019)
Add scrollbar-gutter-* utilities (#20018)
Add zoom-* utilities (#20020)
Add tab-* utilities (#20022)
Allow using @variant with stacked variants (e.g. @variant hover:focus { … }) (#19996)
Allow using @variant with compound variants (e.g. @variant hover, focus { … }) (#19996)
Support --default(…) in --value(…) and --modifier(…) for functional @utility definitions (#19989)

Fixed

Ensure @plugin resolves package JavaScript entries instead of browser CSS entries when using @tailwindcss/vite (#19949)
Fix relative @import and @plugin paths resolving from the wrong directory when using @tailwindcss/vite (#19965)
Ensure CSS files containing @variant are processed by @tailwindcss/vite (#19966)
Resolve imports relative to base when result.opts.from is not provided when using @tailwindcss/postcss (#19980)
Canonicalization: preserve significant _ whitespace in arbitrary values (#19986)
Canonicalization: add parentheses when removing whitespace from arbitrary values would hurt readability (e.g. w-[calc(100%---spacing(60))] → w-[calc(100%-(--spacing(60)))]) (#19986)
Canonicalization: preserve the original unit in arbitrary values instead of normalizing to base units (e.g. -mt-[20in] → mt-[-20in], not mt-[-1920px]) (#19988)
Canonicalization: migrate arbitrary :has() variants from [&:has(…)] to has-[…] (#19991)
Upgrade: don’t migrate inline style attributes (e.g. style="flex-grow: 1" → style="flex-grow: 1", not style="grow: 1") (#19918)
Allow multiple @utility definitions with the same name but different value types (#19777)
Export missing PluginWithConfig type from tailwindcss/plugin to fix errors when inferring plugin config types (#19707)
Ensure start and end legacy utilities without values do not generate CSS (#20003)
Ensure --value(…) is required in functional @utility definitions (#20005)
Canonicalization: preserve required whitespace around operators in negated arbitrary values (e.g. -left-[(var(--a)+var(--b))]) (#20011)

`v4.2.4`

Fixed

Ensure imports in @import and @plugin still resolve correctly when using Vite aliases in @tailwindcss/vite (#19947)

`v4.2.3`

Fixed

Canonicalization: improve canonicalizations for tracking-* utilities by preferring non-negative utilities (e.g. -tracking-tighter → tracking-wider) (#19827)
Fix crash due to invalid characters in candidate (exceeding valid unicode code point range) (#19829)
Ensure query params in imports are considered unique resources when using @tailwindcss/webpack (#19723)
Canonicalization: collapse arbitrary values into shorthand utilities (e.g. px-[1.2rem] py-[1.2rem] → p-[1.2rem]) (#19837)
Canonicalization: collapse border-{t,b}-* into border-y-*, border-{l,r}-* into border-x-*, and border-{t,r,b,l}-* into border-* (#19842)
Canonicalization: collapse scroll-m{t,b}-* into scroll-my-*, scroll-m{l,r}-* into scroll-mx-*, and scroll-m{t,r,b,l}-* into scroll-m-* (#19842)
Canonicalization: collapse scroll-p{t,b}-* into scroll-py-*, scroll-p{l,r}-* into scroll-px-*, and scroll-p{t,r,b,l}-* into scroll-p-* (#19842)
Canonicalization: collapse overflow-{x,y}-* into overflow-* (#19842)
Canonicalization: collapse overscroll-{x,y}-* into overscroll-* (#19842)
Read from --placeholder-color instead of --background-color for placeholder-* utilities (#19843)
Upgrade: ensure files are not emptied out when killing the upgrade process while it's running (#19846)
Upgrade: use config.content when migrating from Tailwind CSS v3 to Tailwind CSS v4 (#19846)
Upgrade: never migrate files that are ignored by git (#19846)
Add .env and .env.* to default ignored content files (#19846)
Canonicalization: migrate overflow-ellipsis into text-ellipsis (#19849)
Canonicalization: migrate start-full → inset-s-full, start-auto → inset-s-auto, start-px → inset-s-px, and start-<number> → inset-s-<number> as well as negative versions (#19849)
Canonicalization: migrate end-full → inset-e-full, end-auto → inset-e-auto, end-px → inset-e-px, and end-<number> → inset-e-<number> as well as negative versions (#19849)
Canonicalization: move the - sign inside the arbitrary value -left-[9rem] → left-[-9rem] (#19858)
Canonicalization: move the - sign outside the arbitrary value ml-[calc(-1*var(--width))] → -ml-(--width) (#19858)
Improve performance when scanning JSONL / NDJSON files (#19862)
Support NODE_PATH environment variable in standalone CLI (#19617)

`v4.2.2`

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)
Add support for Vite 8 in @tailwindcss/vite (#19790)
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)

`v4.2.1`

Fixed

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

`v4.2.0`

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)

`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])(#19149)

`v4.1.14`

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)

typicode/husky (husky)

`v9.1.7`

What's Changed

fix: add husky label to deprecated warning by @smackfu in #1538

New Contributors

@smackfu made their first contribution in #1538

Full Changelog: typicode/husky@v9.1.6...v9.1.7

`v9.1.6`

What's Changed

Fix issue where example pre-commit file is generated incorrectly by @dexmlee in #1519

New Contributors

@OlegKipchatov made their first contribution in #1495
@Byron2016 made their first contribution in #1499
@dexmlee made their first contribution in #1519

Full Changelog: typicode/husky@v9.1.5...v9.1.6

`v9.1.5`

What's Changed

fixes #1494, support pre-merge-commit hook by @RainMeoCat in #1497

New Contributors

@RainMeoCat made their first contribution in #1497

Full Changelog: typicode/husky@v9.1.4...v9.1.5

`v9.1.4`

Improve deprecation notice

`v9.1.3`

fix: better handle space in PATH

`v9.1.2`

Show a message instead of automatically removing deprecated code.

This only concerns projects that still have the following code in their hooks:

- #!/usr/bin/env sh # <- This is deprecated, remove it
- . "$(dirname -- "$0")/_/husky.sh"  # <- This is deprecated, remove it

### Rest of your hook code

Hooks with these lines will fail in v10.0.0

prettier/prettier (prettier)

LWC: Avoid quote around interpolations (#18383 by @kovsu)

<!-- Input -->
<div foo={bar}>   </div>

<!-- Prettier 3.7.3 (--embedded-language-formatting off) -->
<div foo="{bar}"></div>

<!-- Prettier 3.7.4 (--embedded-language-formatting off) -->
<div foo={bar}></div>

TypeScript: Fix comment inside union type gets duplicated (#18393 by @fisker)

// Input
type Foo = (/** comment */ a | b) | c;

// Prettier 3.7.3
type Foo = /** comment */ (/** comment */ a | b) | c;

// Prettier 3.7.4
type Foo = /** comment */ (a | b) | c;

TypeScript: Fix unstable comment print in union type comments (#18395 by @fisker)

// Input
type X = (A | B) & (
  // comment
  A | B
);

// Prettier 3.7.3 (first format)
type X = (A | B) &
  (// comment
  A | B);

// Prettier 3.7.3 (second format)
type X = (
  | A
  | B // comment
) &
  (A | B);

// Prettier 3.7.4
type X = (A | B) &
  // comment
  (A | B);

`v3.7.3`

API: Fix `prettier.getFileInfo()` change that breaks VSCode extension (#18375 by @fisker)

An internal refactor accidentally broke the VSCode extension plugin loading.

`v3.7.2`

JavaScript: Fix string print when switching quotes (#18351 by @fisker)

// Input
console.log("A descriptor\\'s .kind must be \"method\" or \"field\".")

// Prettier 3.7.1
console.log('A descriptor\\'s .kind must be "method" or "field".');

// Prettier 3.7.2
console.log('A descriptor\\\'s .kind must be "method" or "field".');

JavaScript: Preserve quote for embedded HTML attribute values (#18352 by @kovsu)

// Input
const html = /* HTML */ ` <div class="${styles.banner}"></div> `;

// Prettier 3.7.1
const html = /* HTML */ ` <div class=${styles.banner}></div> `;

// Prettier 3.7.2
const html = /* HTML */ ` <div class="${styles.banner}"></div> `;

TypeScript: Fix comment in empty type literal (#18364 by @fisker)

// Input
export type XXX = {
  // tbd
};

// Prettier 3.7.1
export type XXX = { // tbd };

// Prettier 3.7.2
export type XXX = {
  // tbd
};

`v3.7.1`

API: Fix performance regression in doc printer (#18342 by @fisker)

Prettier 3.7.1 can be very slow when formatting big files, the regression has been fixed.

`v3.7.0`

`v3.6.2`

Markdown: Add missing blank line around code block (#17675 by @fisker)

<!-- Input -->
1. Some text, and code block below, with newline after code block

   ```yaml
   ---
   foo: bar
   ```

   1. Another
   2. List

<!-- Prettier 3.6.1 -->
1. Some text, and code block below, with newline after code block

   ```yaml
   ---
   foo: bar
   ```
   1. Another
   2. List

<!-- Prettier 3.6.2 -->
1. Some text, and code block below, with newline after code block

   ```yaml
   ---
   foo: bar
   ```

   1. Another
   2. List

`v3.6.1`

TypeScript: Allow const without initializer (#17650, #17654 by @fisker)

// Input
export const version: string;

// Prettier 3.6.0 (--parser=babel-ts)
SyntaxError: Unexpected token (1:21)
> 1 | export const version: string;
    |                     ^

// Prettier 3.6.0 (--parser=oxc-ts)
SyntaxError: Missing initializer in const declaration (1:14)
> 1 | export const version: string;
    |              ^^^^^^^^^^^^^^^

// Prettier 3.6.1
export const version: string;

Miscellaneous: Avoid closing files multiple times (#17665 by @43081j)

When reading a file to infer the interpreter from a shebang, we use the
n-readlines library to read the first line in order to get the shebang.

This library closes files when it reaches EOF, and we later try close the same
files again. We now close files only if n-readlines did not already close
them.

`v3.6.0`

`v3.5.3`

Flow: Fix missing parentheses in `ConditionalTypeAnnotation` (#17196 by @fisker)

// Input
type T<U> = 'a' | ('b' extends U ? 'c' : empty);
type T<U> = 'a' & ('b' extends U ? 'c' : empty);

// Prettier 3.5.2
type T<U> = "a" | "b" extends U ? "c" : empty;
type T<U> = "a" & "b" extends U ? "c" : empty;

// Prettier 3.5.3
type T<U> = "a" | ("b" extends U ? "c" : empty);
type T<U> = "a" & ("b" extends U ? "c" : empty);

`v3.5.2`

Remove `module-sync` condition (#17156 by @fisker)

In Prettier 3.5.0, we added module-sync condition to package.json, so that require("prettier") can use ESM version, but turns out it doesn't work if CommonJS and ESM plugins both imports builtin plugins. To solve this problem, we decide simply remove the module-sync condition, so require("prettier") will still use the CommonJS version, we'll revisit until require(ESM) feature is more stable.

`v3.5.1`

Fix CLI crash when cache for old version exists (#17100 by @sosukesuzuki)

Prettier 3.5 uses a different cache format than previous versions, Prettier 3.5.0 crashes when reading existing cache file, Prettier 3.5.1 fixed the problem.

Support dockercompose and github-actions-workflow in VSCode (#17101 by @remcohaszing)

Prettier now supports the dockercompose and github-actions-workflow languages in Visual Studio Code.

`v3.5.0`

`v3.4.2`

Treat U+30A0 & U+30FB in Katakana Block as CJK (#16796 by @tats-u)

Prettier doesn't treat U+30A0 & U+30FB as Japanese. U+30FB is commonly used in Japanese to represent the delimitation of first and last names of non-Japanese people or “and”. The following “C言語・C++・Go・Rust” means “C language & C++ & Go & Rust” in Japanese.

<!-- Input (--prose-wrap=never) -->

C言
語
・
C++
・
Go
・
Rust

<!-- Prettier 3.4.1 -->
C言語・ C++ ・ Go ・ Rust

<!-- Prettier 3.4.2 -->
C言語・C++・Go・Rust

U+30A0 can be used as the replacement of the - in non-Japanese names (e.g. “Saint-Saëns” (Charles Camille Saint-Saëns) can be represented as “サン゠サーンス” in Japanese), but substituted by ASCII hyphen (U+002D) or U+FF1D (full width hyphen) in many cases (e.g. “サン=サーンス” or “サン＝サーンス”).

Fix comments print on class methods with decorators (#16891 by @fisker)

// Input
class A {
  @&#8203;decorator
  /** 
   * The method description
   *
  */
  async method(foo: Foo, bar: Bar) {
    console.log(foo);
  }
}

// Prettier 3.4.1
class A {
  @&#8203;decorator
  async /**
   * The method description
   *
   */
  method(foo: Foo, bar: Bar) {
    console.log(foo);
  }
}

// Prettier 3.4.2
class A {
  @&#8203;decorator
  /**
   * The method description
   *
   */
  async method(foo: Foo, bar: Bar) {
    console.log(foo);
  }
}

Fix non-idempotent formatting (#16899 by @seiyab)

This bug fix is not language-specific. You may see similar change in any languages. This fixes regression in 3.4.0 so change caused by it should yield same formatting as 3.3.3.

// Input
<div>
  foo
  <span>longlonglonglonglonglonglonglonglonglonglonglonglonglonglongl foo</span>
  , abc
</div>;

// Prettier 3.4.1 (first)
<div>
  foo
  <span>
    longlonglonglonglonglonglonglonglonglonglonglonglonglonglongl foo
  </span>, abc
</div>;

// Prettier 3.4.1 (second)
<div>
  foo
  <span>longlonglonglonglonglonglonglonglonglonglonglonglonglonglongl foo</span>
  , abc
</div>;

// Prettier 3.4.2
<div>
  foo
  <span>longlonglonglonglonglonglonglonglonglonglonglonglonglonglongl foo</span>
  , abc
</div>;

`v3.4.1`

Remove unnecessary parentheses around assignment in `v-on` (#16887 by @fisker)

<!-- Input -->
<template>
  <button @&#8203;click="foo += 2">Click</button>
</template>

<!-- Prettier 3.4.0 -->
<template>
  <button @&#8203;click="(foo += 2)">Click</button>
</template>

<!-- Prettier 3.4.1 -->
<template>
  <button @&#8203;click="foo += 2">Click</button>
</template>

`v3.4.0`

shadcn-ui/ui (shadcn)

`v3.8.5`

Patch Changes

#9599 bbb59c9fe1b3517db01d3a80cb7559da142ad14b Thanks @shadcn! - fix handling of nested aschild transforms

`v3.8.4`

Patch Changes

#9568 a1e3afed06a78474abff6a729ff990938f455719 Thanks @shadcn! - remove restricted blocks

`v3.8.3`

Patch Changes

#9539 e0063070a63751efd40cf5e5d93da3c9536e64c8 Thanks @shadcn! - use tw-merge to transform-style

`v3.8.2`

Patch Changes

#9507 b7b839ebc254120eb9bf1a138ce979c38fc348d6 Thanks @shadcn! - update migrate radix command

`v3.8.1`

Patch Changes

#9502 2bf55c91338525f886f7c4a7b1fe820155d6bace Thanks @shadcn! - properly detect already installed fonts

`v3.8.0`

Minor Changes

#9498 38de7fddc257f04901e98a5fd7821cb8729d54bf Thanks @shadcn! - Add RTL support

Patch Changes

#8798 2acaf954d7492ce722d2a7ee02747dc8f85691ef Thanks @VeiaG! - Fix: skip all transforms for universal registry items

`v3.7.0`

Minor Changes

#9156 66d24007849ca34c18a5c28b55f2d8dac29ce1e0 Thanks @nrjdalal! - add remix icons
#9351 682c98989d28971a04382da1f174b970fff91d92 Thanks @shadcn! - add registry add command

`v3.6.3`

Patch Changes

#9161 f2583391eafc22a6ec6c9299a8ad9fac857f8181 Thanks @yeasin2002! - validate app name on create
#8422 c2fd847d65bfccde531cf1b4462ae466446efa06 Thanks @aquaticcalf! - add mcp support for opencode

`v3.6.2`

Patch Changes

#9126 df67e49aac8c87da59a4257164f55ef0f53b55de Thanks @shadcn! - add create command to readme
#9044 137b1c12b7bde1318c8781680b41ae449e40df8f Thanks @mezotv! - add phosphor icons

`v3.6.1`

Patch Changes

#9054 d3156c09ae1df2321c0505db6b2e637374e320f7 Thanks @shadcn! - fix resolver for url

`v3.6.0`

Minor Changes

#9022 86d9b00084affa7010e6c7c7bd410ec62525caac Thanks @shadcn! - add registry:base item type
#9022 86d9b00084affa7010e6c7c7bd410ec62525caac Thanks @shadcn! - add npx shadcn create

`v3.5.2`