v4.4.1

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

v4.4.0

• #4337 Add support for layer at-rule (@puckowski)
• #4340 Add support for import at-rule layer functionality (@puckowski)
• #4346 Fix #4343 add color operands (@puckowski)

v4.3.0

#4319 Add deprecation warnings to Less output during parsing and new quiet flag (@matthew-dean)
#4320 Update README.md to remove Lerna reference (@matthew-dean)
#4322 Revise Playwright install method for CI stability (@puckowski)
#4333 Add support for starting-style at rule. (@puckowski)

v4.2.2

#4290 Fix #4268 nested pseudo-selector parsing (@puckowski)
#4291 Enhance Less.js test environment setup (#4291) (@iChenLei)
#4295 Fix #4252 container queries created via mixin evaluating variables incorrectly (@puckowski)
#4294 Fix #3737 allow blank variable declarationd (@puckowski)
#4292 Fix #4258 variable interpolation after math (@puckowski)
#4293 Fix #4264 strip line comment from expression (@puckowski)
#4302 Fix #4301 at-rule declarations missing (@puckowski)
#4309 Fix Node 23 CI (#4309) (@iChenLei)

v4.2.1

• #4235 Fix container style queries extra space resolved (@puckowski)

v4.2.0

• #3811 add support for container queries (@puckowski)
• #3761 fix faulty source map generation with variables in selectors, fixes #3567 (@pgoldberg)
• #3700 parsing variables fail when there is no trailing semicolon (@b-kelly)
• #3719 modify this pointer so that it is not empty. (@lumburr)
• #3649 fixes #2991 empty @media queries generated when compiling less file with (reference) to bootstrap (@MoonCoral)

v4.1.3

• #3673 Feat: add support for case-insensitive attribute selectors (#3673) (@iChenLei)
• #3710 Feat: add disablePluginRule flag for render() options (#3710) (@broofa @edhgoose)
• #3656 Fix #3655 for param tag is null (#3658) (@langren1353)
• #3658 Fix #3646 forcefully change unsupported input to strings (#3658) (@gzb1128)
• #3668 Fix change keyword plugin and import regexp (#3668) (@iChenLei)
• #3613 Fix #3591: refactor debugInfo from class to function (#3613) (@drdevlin)
• #3716 Fix https failures on macOS (#3716) (@joeyparrish)

v4.1.2

• #3602 Fix currentFileInfo and index properties on nodes (#3602) (@bjpbakker)
• #3626 Fix #3616 IfStatement requires double parentheses when dividing (#3626) (@iChenLei)
• #3630 Fix needle dependency warning typo. (#3630) (@cjwilsontech)

v4.1.1

• #3597 Fix expected response when there's a socket error (#3597) (@zxfrank)
• #3589 Fixes #3586 (#3589) (@matthew-dean)

v4.1.0

Mixin parentheses requirement removed

This was maybe too big a change without some kind of deprecation or conversion.
So for this version, this works again:

.mixin;

• #3582 Fix #3576 import redirects. Replace native-request with needle. (#3582) (@zaquest)
• #3583 Update rollup and other build dependencies (#3583) (@pravi)
• #3588 Roll back paren requirement on mixin calls (#3588) (@matthew-dean)