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Deprecations

platform-server

XHR support in @angular/platform-server is deprecated. Use standard fetch APIs instead.
(cherry picked from commit 8446e46)

common

Commit	Type	Description
c4b5fa3c92	fix	escape CSS string-terminating characters in escapeCssUrl
dfff57ede9	fix	Limits date format string length
3c2892c8df	fix	prevent prototype pollution in formatDateTime
1d87c49f6e	fix	use cryptographically secure SHA-256 for transfer cache key generation

compiler

Commit	Type	Description
1ee224ca30	fix	disallow i18n event attributes
a56f1cdf8f	fix	more robust logic to check if regex can be optimized
5946c18275	fix	sanitize `href`/`xlink:href` attributes of any element of the MathML namespace
393b84caf8	fix	sanitize two-way properties

compiler-cli

Commit	Type	Description
3d9ca2f173	fix	bind switch exhaustive check expressions

core

Commit	Type	Description
669146b0e7	fix	disable WebMCP during SSR
562a566ead	fix	Handle synchronous errors in PendingTasks.run function
fa546f382d	fix	harden TransferState restoration against DOM clobbering
29fdb98684	fix	prevent dangling prevConsumer reference from leaking destroyed views (#68681)
cdcea80327	fix	require WebMCP tool descriptions
4289c4c840	fix	update comment for Default change detection
3dd433b39a	fix	use Object.hasOwn to handle null-prototype objects in toStylingKeyValueArray
045bb736b3	fix	validate lowercase SVG animation attribute names

forms

Commit	Type	Description
11836a670a	fix	delay mcp reading the form model by a `tick`
85d2d100e3	fix	harden FormGroup control lookups against prototype shadowing
e51ad374ea	fix	remove animationstart listener on component destroy to prevent memory leak
55b7b5a6b6	fix	set `additionalProperties: false` on generated WebMCP form

http

Commit	Type	Description
ffb06c0514	fix	ensure query parameters are inserted before URL fragments
2dd65d21e6	fix	pass down the `reportUploadProgress` and `reportDownloadProgress` on post/patch requests
4254eb416c	fix	preserve empty referrer option in HttpRequest
167bd4c162	fix	Rejects non-HTTP(S) URLs in JSONP requests

language-service

Commit	Type	Description
43a0e28729	fix	prevent external template inlay hints from appearing in TS files

platform-server

Commit	Type	Description
ed48ca7f51	fix	harden platform location origin validation during SSR
1881ede3a7	refactor	deprecate ServerXhr

router

Commit	Type	Description
43edc8410f	fix	use native URL object for navigation boundary and comparison

service-worker

Commit	Type	Description
cf97b1f828	fix	Strips sensitive headers on cross-origin redirects

`v22.0.0`

common

Commit	Type	Description
4795b35d5b	fix	only strip a literal /index.html suffix from URLs

compiler

Commit	Type	Description
2891f7e787	fix	move projection attributes into constants

core

Commit	Type	Description
e3e25b5a53	fix	use Object.create(null) for LOCALE_DATA as a hardening measure

migrations

Commit	Type	Description
9d9855a415	fix	Make the safe optional chaining idempotent

platform-server

Commit	Type	Description
7b9130931d	fix	throw on suspicious URLs and restrict protocol-relative URLs

JoshuaKGoldberg/eslint-plugin-expect-type (eslint-plugin-expect-type)

`v0.6.2`

Bug Fixes

allow spaces around assertions (#645) (b8e3014), closes #644

`v0.6.1`

Bug Fixes

clear programs cache if >90% of heap is used (#643) (9596a34), closes #642

`v0.6.0`

Features

add versionsToTest option to support multiple TypeScript versions (#635) (153f83e), closes #107

0.5.1 (2024-11-29)

Bug Fixes

remove unusable message IDs (#639) (8452533), closes #114 #636 #638 #114

`v0.5.1`

Features

add versionsToTest option to support multiple TypeScript versions (#635) (153f83e), closes #107

0.5.1 (2024-11-29)

Bug Fixes

remove unusable message IDs (#639) (8452533), closes #114 #636 #638 #114

`v0.5.0`

Features

add versionsToTest option to support multiple TypeScript versions (#635) (153f83e), closes #107

0.5.1 (2024-11-29)

Bug Fixes

remove unusable message IDs (#639) (8452533), closes #114 #636 #638 #114

`v0.4.3`

Features

support ||s and type normalization for comparisons (#634) (8724da8), closes #108 #109 #108 #109

0.4.3 (2024-09-12)

Bug Fixes

revert src/index.ts back to legacy config format (#488) (1631ccc), closes #486 #462

0.4.2 (2024-09-10)

Bug Fixes

bump ESLint-related packages to latest (#468) (0969206), closes #463 #465

0.4.1 (2024-09-09)

Bug Fixes

make recommended config a valid flat config (#462) (3e89c46), closes #142 eslint/eslint#18869

`v0.4.2`

Features

support ||s and type normalization for comparisons (#634) (8724da8), closes #108 #109 #108 #109

0.4.3 (2024-09-12)

Bug Fixes

revert src/index.ts back to legacy config format (#488) (1631ccc), closes #486 #462

0.4.2 (2024-09-10)

Bug Fixes

bump ESLint-related packages to latest (#468) (0969206), closes #463 #465

0.4.1 (2024-09-09)

Bug Fixes

make recommended config a valid flat config (#462) (3e89c46), closes #142 eslint/eslint#18869

`v0.4.1`

Features

support ||s and type normalization for comparisons (#634) (8724da8), closes #108 #109 #108 #109

0.4.3 (2024-09-12)

Bug Fixes

revert src/index.ts back to legacy config format (#488) (1631ccc), closes #486 #462

0.4.2 (2024-09-10)

Bug Fixes

bump ESLint-related packages to latest (#468) (0969206), closes #463 #465

0.4.1 (2024-09-09)

Bug Fixes

make recommended config a valid flat config (#462) (3e89c46), closes #142 eslint/eslint#18869

`v0.4.0`

Features

support ||s and type normalization for comparisons (#634) (8724da8), closes #108 #109 #108 #109

0.4.3 (2024-09-12)

Bug Fixes

revert src/index.ts back to legacy config format (#488) (1631ccc), closes #486 #462

0.4.2 (2024-09-10)

Bug Fixes

bump ESLint-related packages to latest (#468) (0969206), closes #463 #465

0.4.1 (2024-09-09)

Bug Fixes

make recommended config a valid flat config (#462) (3e89c46), closes #142 eslint/eslint#18869

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`

`v3.3.3`

Add parentheses for nullish coalescing in ternary (#16391 by @cdignam-segment)

This change adds clarity to operator precedence.

// Input
foo ? bar ?? foo : baz;
foo ?? bar ? a : b;
a ? b : foo ?? bar;

// Prettier 3.3.2
foo ? bar ?? foo : baz;
foo ?? bar ? a : b;
a ? b : foo ?? bar;

// Prettier 3.3.3
foo ? (bar ?? foo) : baz;
(foo ?? bar) ? a : b;
a ? b : (foo ?? bar);

Add parentheses for decorator expressions (#16458 by @y-schneider)

Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5.

// Input
@&#8203;(foo`tagged template`)
class X {}

// Prettier 3.3.2
@&#8203;foo`tagged template`
class X {}

// Prettier 3.3.3
@&#8203;(foo`tagged template`)
class X {}

Support `@let` declaration syntax (#16474 by @sosukesuzuki)

Adds support for Angular v18 @let declaration syntax.

Please see the following code example. The @let declaration allows you to define local variables within the template:

@&#8203;let name = 'Frodo';

<h1>Dashboard for {{name}}</h1>
Hello, {{name}}

For more details, please refer to the excellent blog post by the Angular Team: Introducing @let in Angular.

We also appreciate the Angular Team for kindly answering our questions to implement this feature.

`v3.3.2`