v4.6.7 (2026-06-20)
Changes

    #4457 Fix failing "Request Copilot review" CI job (@app/copilot-swe-agent)
    #4451 chore: release v4.6.6 (@app/github-actions)
	
v4.6.6 (2026-06-14)
Changes

	#4450 fix: use printf for PR body to avoid YAML indentation error in run block (@matthew-dean)
	#4449 fix: correct push event typo in create-release-pr workflow (pus → push:) (@matthew-dean)
	#4446 fix: avoid TypeError on nested @supports with dumpLineNumbers (@sarathfrancis90)
	#4441 Preserve spacing for container feature functions (@puneetdixit200)
	#4440 chore: prevent dependency lifecycle scripts (@puckowski)
	#4437 docs: fix incorrect contributor attributions in v4.6.0 changelog (@barry3406)
	#4434 fix(issue#4316): color calc inside from expression (@puckowski)

v4.6.5 (2026-06-13)
Bug Fixes
	#4444 Fix browser export interop by routing bundlers to CJS-typed UMD artifact (@Copilot)
	#4427 Fix parenthesis in media query (@puckowski)
	#4421 Fix not keyword silently ignored when used without parentheses in conditions (@Copilot)
	#4426 Upgrade make-dir to v4 to fix security vulnerability (@jorenbroekema)

Maintenance
	#4447 Automate CHANGELOG generation in release workflow (@matthew-dean)
	#4448 Add continue-on-error to copilot-review CI job (@matthew-dean)
	#4445 Fix Playwright chromium install hang on Node current/lts/* (@matthew-dean)
	#4431 PR-based release flow for alpha branches (@Copilot)
	#4430 Ensure npm publish is always backed by a GitHub tag, release, and version-bump commit (@Copilot)
	#4432 Update packageManager to pnpm@9.15.9 to match lockfileVersion 9.0 (@Copilot)
	#4420 Regression test for @container mixin parameter variable resolution (@Copilot)

v4.6.4 (2026-03-13)
Tests
	#4422 Add coverage for :is()/:matches()/:where() containing nested :has() selectors and comma-separated lists (@Copilot)

v4.6.3 (2026-03-11)
Bug Fixes
	#4424 Fix webpack browser build - use UMD dist/less.js, add CJS bundle (@matthew-dean)

v4.4.2 (2025-10-07)

    #4357 Migrate Less test data to use valid CSS (@matthew-dean)
    #4363 Fix [#4362] no spacing regression for function (@puckowski)

v4.4.1 (2025-08-25)

    #4342 Add support for CSS scroll state container queries (@puckowski)
    #4349 Fix #4348 parse layer nesting syntax (@puckowski)

### v4.4.0 (2025-05-31)

- [#4337](https://github.com/less/less.js/pull/4337) Add support for layer at-rule (@puckowski)
- [#4340](https://github.com/less/less.js/pull/4340) Add support for import at-rule layer functionality (@puckowski)
- [#4346](https://github.com/less/less.js/pull/4346) Fix [#4343](https://github.com/less/less.js/issues/4343) add color operands (@puckowski)

### v4.3.0 (2025-04-04)

- [#4319](https://github.com/less/less.js/pull/4319) Add deprecation warnings to Less output during parsing and new quiet flag (@matthew-dean)
- [#4320](https://github.com/less/less.js/pull/4320) Update README.md to remove Lerna reference (@matthew-dean)
- [#4322](https://github.com/less/less.js/pull/4322) Revise Playwright install method for CI stability (@puckowski)
- [#4333](https://github.com/less/less.js/pull/4333) Add support for ```starting-style``` at rule. (@puckowski)