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#stacks/prettier/tooling

Prettier release notes, breaking changes, and upgrade notes.

Opinionated code formatter StackPulse turns upstream changelogs into scannable summaries with risky changes, deprecations, migration notes, and source links.

releases
9
breaking
0
security
0
deprecated
0
migrations
0

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what stackpulse tracks

Prettier releases from GitHub

StackPulse watches Prettier release notes and keeps the original source link close to every summary.

upgrade risk

Breaking changes and deprecations

Risky changes are separated from normal feature notes so you can scan upgrade impact before changing production dependencies.

migration notes

Source-backed next steps

Migration steps and recommended actions are only shown when the upstream release notes support them.

# latest_releases

source-backed
3.9.3mediumfeatureJun 29, 2026

3.9.3

This release fixes unexpected character removal in Markdown liquid syntax and allows decorators with `declare` on TypeScript class fields.

affected

Developers using Prettier with Markdown liquid syntax or TypeScript decorators on class fields are affected.

action

Update to version 3.9.3 to benefit from the fixes.

release_signals
+TypeScript: Allow decorators to be used with `declare` on class fields
view source on github->
3.9.1mediumfeatureJun 27, 2026

3.9.1

This release fixes an issue with incorrect caching of ignored files in the CLI.

affected

Users who encountered issues with caching of ignored files in CLI are affected.

action

Update to version 3.9.1 to resolve caching issues with ignored files.

view source on github->
3.9.0highfeatureJun 27, 2026

3.9.0

Prettier 3.9 introduces major parser upgrades and significant formatting improvements, enhancing code consistency and readability.

affected

Developers using Prettier for code formatting will benefit from improved syntax handling and consistency.

action

Upgrade to Prettier 3.9.0 to take advantage of the latest parser and formatting improvements.

release_signals
+Major parser upgrades for improved syntax handling
+Formatting improvements for better code consistency
view source on github->
3.8.5mediumfeatureJun 26, 2026

3.8.5

This release fixes an issue with printing Flow variance annotations.

affected

Users who rely on Flow variance annotations may be affected by this fix.

action

Update to version 3.8.5 if you experience issues with Flow variance annotations.

view source on github->
3.8.4mediumfeatureJun 9, 2026

3.8.4

This release fixes an issue where blank lines between list items and nested sub-lists were being incorrectly removed in Markdown/MDX.

affected

Users working with Markdown/MDX files may have experienced formatting issues with nested lists.

action

Upgrade to version 3.8.4 to resolve the Markdown/MDX formatting issue.

view source on github->
3.8.3lowfeatureApr 15, 2026

3.8.3

This release fixes an issue in SCSS formatting where a trailing comma was incorrectly added in the `if()` function.

affected

Users working with SCSS and the `if()` function are affected.

action

Upgrade to version 3.8.3 to resolve the trailing comma issue in SCSS.

view source on github->
3.8.2mediumfeatureApr 10, 2026

3.8.2

This release adds support for Angular v21.2, ensuring compatibility with the latest Angular framework version.

affected

Users working with Angular v21.2 will benefit from this update.

action

Upgrade to Prettier 3.8.2 if you are using Angular v21.2.

release_signals
+Support for Angular v21.2
view source on github->
3.8.1mediumfeatureJan 21, 2026

3.8.1

This release includes updates to plugin type declarations to include available `printers`.

affected

Developers using Prettier plugins may be affected by the updated type declarations.

action

Update to version 3.8.1 to ensure compatibility with the latest type declarations.

release_signals
+Include available `printers` in plugin type declarations
view source on github->
3.8.0mediumfeatureJan 14, 2026

3.8.0

This release adds support for Angular v21.1, ensuring compatibility with the latest Angular version.

affected

Users working with Angular v21.1 will benefit from this update.

action

Upgrade to Prettier 3.8.0 if you are using Angular v21.1.

release_signals
+Support for Angular v21.1
view source on github->
Prettier release notes, breaking changes, and upgrade notes · StackPulse