Less.js

The dynamic stylesheet language. http://lesscss.org.

This is the JavaScript, official, stable version of Less.

Getting Started

Add Less.js to your project:

npm install less

Change Log

v4.1.3 (2022-06-09)

• #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 (2021-10-04)

• #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 (2021-01-31)

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

v4.1.0 (2021-01-10)

• #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)

v4.0.0 (2020-12-18)

• #3573 v4.0.0 (#3573) (@matthew-dean)

v3.13.1 (2020-12-18)

• #3575 Fixes #3574 (#3575) (@matthew-dean)

v3.13.0 (2020-12-12)

• #3572 Fixes #3434 - memory / runtime improvements (#3572) (@matthew-dean)
• #3550 Examples contain more valid CSS, to test with a new parser (#3550) (@matthew-dean)
• #3546 Bug fixes - fixes #3446 #3368 (#3546) (@matthew-dean)

v3.12.2 (2020-07-16)

• #3545 Release 3.12.2 (#3545) (@matthew-dean)

v3.12.1 (2020-07-16)

• #3544 Fixes #3533 (#3544) (@matthew-dean)
• #3543 Fixes #3541 (#3543) (@matthew-dean)

v3.12.0 (2020-07-13)

• #3540 v3.12.0-RC.2 (#3540) (@matthew-dean)
• #3532 Fixes #3371 Allow conditional evaluation of function args (#3532) (@matthew-dean)
• #3531 Remove lib folder from git (#3531) (@matthew-dean)
• #3530 Move changelog to root (#3530) (@matthew-dean)
• #3529 Duplicate dist files in root for older links (#3529) (@matthew-dean)
• #3525 Test-data module (#3525) (@matthew-dean)
• #3523 Fixes #3504 / organizes tests (#3523) (@matthew-dean)
• #3501 Restore nuked scripts (?), replace dependencies (#3501) (#3522) (@matthew-dean)
• #3521 Lerna refactor / TS compiling w/o bundling (#3521) (@matthew-dean)
• #3517 Resolve #3398 Add flag to disable sourcemap url annotation (#3517) (@hirosato)
• #3294 fix(#3294): use loadFileSync when loading plugins with syncImport: true (#3506) (@Justineo)

v3.11.3 (2020-06-05)

• #3509 Fixes #3508 (#3509) (@matthew-dean)

v3.11.2 (2020-06-01)

• #3498 Remove tree caching in import manager (#3498) (@matthew-dean)
• #3482 issue#3481 ignore missing debugInfo (#3482) (@5UtJAjiRWj1q)
• #3494 Additional check to avoid evaluating an expression if it is a comment (#3494) (@rgroothuijsen)
• #3490 fix: Use make-dir instead of mkdirp (#3490) (@eps1lon)
• #3493 Properly exit calc mode after use (#3493) (@rgroothuijsen)
• #3477 Convert to auto-changelog (#3477) (@matthew-dean)

v3.11.1 (2020-02-11)

• #3475 Fixes #3469 - Include tslib dependency (#3475) (@matthew-dean)

v3.11.0 (2020-02-09)

• #3468 3.11.0 (#3468) (@matthew-dean)
• #3453 Import file with dots in file name (#3453) (@life777)
• #3460 - Fixed replacer when visitor returns array of nodes (#3460) (@lmartorella)
• #3454 Added financial contributors to the README (#3454) (@monkeywithacupcake)
• #3431 Fixes #3430: Removed unnecessary 'important' from NamespaceValue. (#3431) (@batchunag)
• #3426 Fixes #3405 (#3426) (@matthew-dean)

v3.10.3 (2019-08-23)

• #3424 Fixes #3423 #3420 (#3424) (@matthew-dean)
• #3421 Rollup changed for Node 4 compatibility (#3421) (@matthew-dean)

v3.10.0 (2019-08-17)

• #3413 Release v3.10.0 (#3413) (@matthew-dean)

v3.10.0-beta.2 (2019-08-07)

• #3412 v3.10.0-beta.2 -- Cleanup NPM and git included files (#3412) (@matthew-dean)

v3.10.0-beta (2019-08-03)

• #3411 Conversion of Less to ES6 w/ TypeScript type linting support (#3411) (@matthew-dean)
• #3363 Fixes #3346 #3338 #3345 (#3363) (@matthew-dean)
• #3364 Operation.prototype.accept Issues#3327 (#3364) (@legu2009)
• #3360 Ignore undefined content in generating source maps (#3360) (@cthrax)
• #3305 Avoid Buffer constructor on newer Node.js (#3305) (#3307) (@gabrielschulhof)
• #3352 Do not pollute window object in less-browser bootstrap (#3352) (@gaiazov)
• #3337 Use the correct mime type when loading a plugin (#3337) (@g3rv4)

v3.9.0 (2018-11-29)

• #3334 Adds range() function for lists (#3334) (@matthew-dean)
• #3333 Fixes #3325 #3313 #3328 - each() function fixes (#3333) (@matthew-dean)
• #3335 Prevent Browserify from bundling Buffer (#3335) (@matthew-dean)

v3.8.1 (2018-08-08)

• #3302 v3.8.1 (#3302) (@matthew-dean)
• #3301 Fixes: #3300 (#3301) (@matthew-dean)
• #3292 Demonstrate 3.7 fixes #3160 (#3292) (@matthew-dean)
• #3291 Color function updates - #RRGGBBAA and CSS Variables (#3291) (@matthew-dean)

v3.8.0 (2018-07-23)

• #3293 v3.8.0 (#3293) (@matthew-dean)
• #3248 Feature/rewrite urls (#3248) (@matthew-dean)

v3.7.1 (2018-07-11)

• #3284 Release v3.7.1 (#3284) (@matthew-dean)
• #3283 Fix #3281: console.warning → console.warn (#3283) (@calvinjuarez)

v3.7.0 (2018-07-11)

• #3279 v3.7.0 (#3279) (@matthew-dean)
• #3274 Fixes #1880 - Adds two new math modes and deprecates strictMath (@matthew-dean)
• #3258 Fixes #2824 - Expressions require a delimiter of some kind in mixin args (@matthew-dean)
• #3263 Fixes #2270 - Adds each() function to Less functions (@calvinjuarez, @matthew-dean)

v3.6.0 (2018-07-10)

• #3278 v3.6.0 (@matthew-dean)
• #3252 Removes less-rhino (broken for a long time) - Fixes #3241 (@matthew-dean)
• #3259 Removes "double paren" issue for boolean / if function (@matthew-dean)
• #3276 Bump Jasmine version (@matthew-dean)
• #3275 Adds Promise polyfill for PhantomJS under Node 9 (@matthew-dean)
• #3261 Fixes #2791 - svg-gradient() not working in Firefox (@matthew-dean)
• #3270 Fixes #3231 - Adds UIKit, Bootstrap 3, and Bootstrap 4 to verified tests (@matthew-dean)

v3.5.3 (2018-07-06)

• #3272 Reverts operations not being performed in media queries (@matthew-dean)
• #3257 Fixes #3182 (@matthew-dean)

v3.5.1 (2018-07-05)

• #3267 Fixes issue with parentheses following variable in expressions (@matthew-dean)

v3.5.0 (2018-07-05)

• #3264 Release v3.5.0 (@matthew-dean)

v3.5.0-beta.7 (2018-07-04)

• #3260 Release v3.5.0-beta.7 (#3260) (@matthew-dean)
• #3256 Allow [] to resolve to last declaration's value (#3256) (@matthew-dean)

v3.5.0-beta.6 (2018-07-03)

• #3255 v3.5.0-beta.6 (#3255) (@matthew-dean)
• #3247 Plugins: If minVersion >= 3.0.0, don't "pre-run" .setOptions() (#3247) (@calvinjuarez)
• #3254 Tests and parser fixes for namespace values in MQ and mixin args (#3254) (@matthew-dean)

v3.5.0-beta.5 (2018-07-02)

• #3251 Bugfix - namespace values (#3251) (@matthew-dean)
• #3250 Added small breakpoints example with namespaced values (#3250) (@matthew-dean)

v3.5.0-beta.4 (2018-06-30)

• #3242 [Feature] Namespaced values (#3242) (@matthew-dean)
• #3246 Release/v3.5.0 beta.3 (#3246) (@matthew-dean)
• #3229 Fixes #3187 (couldn't repo, but found bugs) (#3229) (@matthew-dean)
• #3237 Fixes #3235 (#3237) (@matthew-dean)

v3.5.0-beta.3 (2018-06-29)

• #3239 fix: browser cache is always considered stale if .modifyVars wasn't set (#3239) (@balpha)

v3.5.0-beta.2 (2018-06-27)

• #3236 v3.5.0-beta.2 (#3236) (@matthew-dean)
• #3228 Fixes #3205, partial 3.0 math regression #1880 (#3228) (@matthew-dean)
• #3227 Fixes #1421 - re-parses variable-interpolated elements to selectors (no.2) (#3227) (@matthew-dean)
• #3223 Fixes #3191 (#3223) (@matthew-dean)

v3.5.0-beta (2018-06-25)

• #3230 Release v3.5.0 beta (#3230) (@matthew-dean)
• #3219 Invalidate less-node file cache if modified (#3219) (@matthew-dean)
• #3213 Fixes #3147 #2715 (#3213) (@matthew-dean)
• #3220 Revert "Fixes #1421 - re-parses variable-interpolated elements to selectors" (@matthew-dean)
• #3217 Revert "Fixes #1421 - re-parses variable-interpolated elements to selectors (#3217)" (@matthew-dean)
• #3212 Revert "Pull missed code merged into 3.x branch (#3212)" (@matthew-dean)
• #3215 Revert "Fixes #3195 (#3215)" (@matthew-dean)
• #3215 Fixes #3195 (#3215) (@matthew-dean)
• #3212 Pull missed code merged into 3.x branch (#3212) (@matthew-dean)
• #3217 Fixes #1421 - re-parses variable-interpolated elements to selectors (#3217) (@matthew-dean)
• #3207 update changelog for 3.0.4 (@akkumar)
• #3206 Release v3.0.4 (@matthew-dean)

v3.0.4 (2018-05-07)

• #3180 update source_map to 0.6.x (@akkumar)
• #3172 Type checking length units (@jacobwarduk)
• #3200 Fixes #3181 (@matthew-dean)

v3.0.3 (2018-04-18)

• #1 Type checking length units (@jacobwarduk)
• #3177 chore(package): update request to 2.83.0 (@Kartoffelsalat)
• #3170 inline and less imports of the same name = race condition (@thorn0)
• #3168 Fixes #3116 - lessc not loading plugins in 3.0 (@matthew-dean)

v3.0.1 (2018-02-15)

• #3163 Merge 3.x into master (@matthew-dean, @barnabycolby, @kirillrogovoy, @maxbrunsfeld, @seven-phases-max, @ryysud, @bdsomer, @wiinci, @nikeee, @anthony-redFox)

v3.0.0-RC.2 (2018-02-11)

• #3161 Remove legacy upgrade (@matthew-dean)
• #3159 Bump to 3.0.0-RC.1 (@matthew-dean)

v3.0.0-RC.1 (2018-02-04)

• #3150 Drop node 0.10 and 0.12 and added node 9 matrix testing (@anthony-redFox)

v2.7.3 (2017-10-24)

• #3122 Mime update (@nikeee)
• #3120 Issue3115 ext in node path (@robhuzzey)
• #3119 Update © year (@wiinci)
• #3107 pinned request dep to v2.81.0 (@MarkSG93)

v3.0.0-alpha.3 (2017-10-09)

• #3096 Switch from request to phin! (@bdsomer)
• #3082 Add Node.js v8 to Travis CI and AppVeyor (@ryysud)
• #3079 Initial support for custom parsed functions (boolean, if etc.) (@seven-phases-max)
• #3076 Update mergeRules (@seven-phases-max)

v2.7.2 (2017-01-05)

• #2908 Added 'request' as optional dependency. (@maxrd2)
• #2955 Allow less imports of paths like 'dir/css' (@maxbrunsfeld)
• #2975 Refactor LessError and lesscHelper.formatError (@kirillrogovoy)
• #2988 Fixes #2987, --source-map-map-inline works as expected (@nicoschoenmaker)
• #2946 Fixed sourceMapBasepath bug as the option had no affect on the sourceMapURL value. (@barnabycolby)
• #2941 CI Build Fixes. (@bd82)
• #2905 Download PhantomJS from CDN (@abrobston)
• #2866 Changed octals to hex for ES6 strict mode (@mlowijs)
• #2891 Fix error reporting of lessc executable II (@jhnns)

v2.7.0 (2016-05-08)

• #2894 Update my name. (@nex3)
• #2892 Fix invalid extraction of the host part from URL (@Taritsyn)
• #2874 removed dependency to unused package "request" (@jeremyVignelles)
• #2830 make --depends generate no CSS output (@gtalusan)
• #2860 Remove unreachable code (@shkdee)
• #2859 Fix typos found by codespell (@stweil)
• #2858 Fix AST to include text for single line comments (@zzzzBov)
• #2853 bin/lessc: Make sure path.dirname gets passed strings (@addaleax)
• #2754 Update contrast function and tests, fixes #2743 (@Synchro)
• #2785 Allows root (non-value) functions in Less (@seven-phases-max)
• #2834 Make sourcemap generation a bit faster (@Medium)

v2.6.1 (2016-03-04)

• #2827 Revert "Update jit-grunt to version 0.10.0" (@seven-phases-max)
• #2821 Update jit-grunt to version 0.10.0 (@greenkeeperio-bot)
• #2797 Disallow whitespace in variable calls (i.e "DR"-calls) (@seven-phases-max)
• #2820 update grunt-contrib-concat to version 1.0.0 (@greenkeeperio-bot)
• #2819 Guard expressions regression in 2.6.0 (#2798) (@SomMeri)
• #2804 use instanceof operator instead of class comparison optimization (@marijaselakovic)
• #2817 Update grunt-contrib-jshint to version 1.0.0 🚀 (@greenkeeperio-bot)
• #2815 Update grunt-contrib-clean to version 1.0.0 🚀 (@greenkeeperio-bot)
• #2813 Fix typo on and/or change (@mbrodala)
• #2811 Update CHANGELOG.md (@Justineo)
• #2806 Fix comments after named color regression (@seven-phases-max)
• #2794 Update grunt-jscs to version 2.7.0 🚀 (@greenkeeperio-bot)
• #2784 Update grunt-contrib-jasmine to version 1.0.0 🚀 (@greenkeeperio-bot)
• #2773 Update all dependencies 🌴 (@lukeapage, @greenkeeperio-bot)

v2.6.0 (2016-01-29)

• #2788 Update license year in README.md (@prayagverma)
• #2735 Fix for #2384 and caching enabled with modifyVars set (@less)
• #2783 Allow unknown non-{}-block at-rules (@seven-phases-max)
• #2779 Logical operator and now has higher precedence then logical operator or. (@SomMeri)
• #2775 Parsing Error "Unrecognised input" for color operations with color names #2124 (@SomMeri)
• #2763 Added "or" keyword and allowed arbitrary logical expression in guards. (@SomMeri)
• #2731 Faster builds and update npm versions to test against (@paladox)
• #2759 Fixed extend leaking through nested parent selector. (@SomMeri)
• #2738 Fail when image-size functions are used in browser-less. (@niom)
• #2485 Allow underscore in a dimension unit (@seven-phases-max)
• #2729 Fixing import by reference (@SomMeri)

v2.5.2 (2015-09-24)

• #2609 Skip missing optional imports (@mmelvin0)
• #2644 percentage function should throw error if result would be NaN (@SomMeri)
• #2646 Parametric mixins: parameters don't match error (@SomMeri)
• #2688 Converted CLRFs in error tests (@mishal)
• #2687 Updated test data files (@mishal)
• #2642 Fixes import by reference inlines source's inline imports - 2620 (@SomMeri)
• #2643 Keep shorthand color form the same way as named colors are kept. (@SomMeri)
• #2677 Reference inline comments. (@betaorbust)
• #2685 Update travis Node.js version & remove io.js (@demohi)
• #2637 Undefined source map should result in an empty map file. (@SomMeri)
• #2607 Remove moot version property from bower.json (@kkirsche)

v2.5.1 (2015-05-21)

• #2591 Update license attribute (@pdehaan)
• #2575 Fix synchronously loading/applying stylesheets on page load. (@chipx86)
• #2568 Add a Gitter chat badge to README.md (@gitter-badger)
• #2559 Fix for #2558 (@seven-phases-max)
• #2574 Fix Ruleset.prototype.find failing for certain frames (@seven-phases-max)
• #2550 Update CHANGELOG.md (@chharvey)

v2.5.0 (2015-04-03)

• #2530 Proper non-primitive value replacement for % and replace (@seven-phases-max)
• #2526 Image size (@bassjobsen)
• #2533 Fix formatting to meet jscs settings (@seven-phases-max)
• #2525 Add browser field (@whitecolor)
• #2522 Fix @plugin scoping rules (@rjgotten)
• #2527 Fix grunt shell:benchmark command (@seven-phases-max)
• #2520 Fix 2440 (@lukeapage)
• #2517 Quick fix for naked url imports (@seven-phases-max, @wahuneke, @bassjobsen)
• #2515 re: #2508 - revert #2510 - undo all fixes. issue == WONTFIX (@wahuneke)
• #2504 optional relative amounts for color functions, see#975 (@bassjobsen)
• #2512 Fix selectors folding into directives (@rjgotten)
• #2510 Fix issue 2508 (@wahuneke)
• #2505 fix for issue #2500 (@bassjobsen)
• #2479 Import plugin (@rjgotten, @bassjobsen)
• #2497 Allow detached rulesets as mixin argument defaults (@calvinjuarez)
• #2488 add jit-grunt to the build chain (@bassjobsen)
• #2489 add browser postProcessor Plugin test (@bassjobsen)
• #2473 Bubbling of nested directives (@SomMeri)
• #2445 allow a list of colors as argument for the svg-gradient function (@bassjobsen)

v2.4.0 (2015-02-08)

• #2439 Fix empty sourcemaps (@OhJeez)
• #2429 Implementing preprocessing plugins (@Justineo, @lukeapage)
• #2427 Nested mixin changing important 2421 (@SomMeri)
• #2423 Bug: extend doesn't work when appended on nested selector with & (@SomMeri)
• #2420 endlines and comments (@bassjobsen)

v2.3.1 (2015-01-28)

• #2400 Nested parent selectors &:not(&) - 2026 (@SomMeri)

v2.3.0 (2015-01-27)

• #2401 Allow selector interpolation inside pseudoselectors. #1294 (@SomMeri)
• #2404 Important on parametrized mixin (@SomMeri)
• #2414 explain inline maps (@bassjobsen)
• #2392 add support for isruleset (@Justineo)
• #2390 message when sourcemap has been written (@bassjobsen)
• #2391 Remove BOM in imports. (@DotNetSparky)
• #2387 Data uri support for include-path (@lukeapage)
• #2385 checking for doubles when warning for empty extends (@ddprrt)
• #2380 Colour keyword as variable name reference (@seven-phases-max)
• #2369 making sure :extend warning does not bubble up, fixes #1618 (@ddprrt)

v2.2.0 (2015-01-04)

• #2363 Change error message when caching fails (@bassjobsen)
• #2337 Better output for the warning when file size exceeds (@bassjobsen)
• #2319 Expose Less parsing as a top level feature of the less package (@jackwanders)

v2.1.2 (2014-12-20)

• #2315 Support non-JSON script attributes (@guybedford)
• #2313 Remove second 'env:' in .travis.yml. (@vsn4ik)

v2.1.1 (2014-11-27)

• #2312 Fix double handling of exceptions (@ForbesLindesay)
• #2311 Pass this from promise based calling (@ForbesLindesay)
• #2309 Improve keyword and anonymous input for replace function (fixes #2308). (@seven-phases-max)

v2.1.0 (2014-11-23)

• #2298 Small improve in README.md and bower.json. (@vsn4ik)
• #2297 Package: Updates request to 2.48.0 (@am11)
• #2296 Fix getting of character at index (@Taritsyn)
• #2279 Remove livereload cache buster param in extractId (@cgross)

v2.0.0 (2014-11-09)

• #2277 create index and browser scripts in root as require targets (@jackwanders, @lukeapage, @seven-phases-max, @Justineo, @lejenome)
• #2269 Fix for wrong check in abstractFileManager.getPath (@dexif, @lukeapage, @seven-phases-max, @Justineo, @lejenome)
• #2267 CLI: Fixes source-map-url description (#2264) (@am11)
• #2268 typo fixes (@vlajos)
• #2264 CLI: Fixes source-map-url description. (#2264) (@am11)

v2.0.0-b3 (2014-11-01)

• #2254 Fix for import relative path for url with parameters (@dexif)

v2.0.0-b2 (2014-10-26)

• #2246 Attempt to fix import sequencing (@lukeapage)
• #2247 Add support for rebeccapurple (#663399) (@le717)
• #663399 Add rebeccapurple (#663399) (Triangle717)
• #2243 Support reading less options from its script tag data attributes (@lejenome)
• #2241 Update CHANGELOG.md (@Justineo)

v2.0.0-b1 (2014-10-19)

• #1902 2.0.0 Pull Request (@lukeapage, @seven-phases-max, @XhmikosR, @levithomason)
• #2233 Method to scan for and register stylesheets (@levithomason)
• #2226 Notify when less.js is done processing (@levithomason)
• #2209 Remove unnecessary semicolon (@joscha)
• #2217 Fix interpolated selector match regression (@seven-phases-max)
• #2185 Use SVGs for all readme badges (@theodorejb)
• #2182 Fixes #1973 (@seven-phases-max)
• #2181 Case insensitive units parsing and comparison (@lukeapage)

v1.7.5 (2014-09-03)

• #2173 Property interpolation fix for @* values (@seven-phases-max)
• #2169 Accept comments in @keyframe and after rule name - merging for next patch release. (@SomMeri)
• #1921 Pass options object to parser.parse in less.render (@rback)
• #2136 Fragment handling in data-uri function 1959 (@SomMeri)
• #2135 Charsets should float on top #2126 (@SomMeri)
• #2128 Mixin wrongly called (@SomMeri, @obecker, @dhaber)
• #2144 Updating request dependency (@pdehaan)
• #2123 Import into media 1645 (@SomMeri, @obecker, @dhaber)

v1.7.4 (2014-07-27)

• #2100 Update bower for 1.7.3 (@joscha)
• #2121 Properties merging should work also inside directives #2035 (@SomMeri)
• #2120 Misleading error message 2069 (@SomMeri, @obecker, @dhaber)
• #2117 Fix ordering of @import and @charset rules #1954 #2013 (@SomMeri)

v1.7.3 (2014-06-22)

• #2062 Don't round values returned by colour query functions. (@seven-phases-max)

v1.7.2 (2014-06-22)

• #2045 Base64 encode source maps (@tim-smart)

v1.7.1 (2014-06-08)

• #2022 2.0.0 refactor chunker and less error (@ForbesLindesay)
• #2021 2.0.0 promises (@ForbesLindesay)
• #1976 Added condition to check if HEX code contain only valid characters (issue #1015) (@peruginni)
• #2019 Remove the "done" message displayed at the end of the compilation with Rhino. (@gdelhumeau)
• #2031 Fix a bug: if the less file end line is comments, the lessc command option "modify-var" will have no effect. (@chenboxiang)
• #2046 window.ActiveXObject in IE11: fix boolean casting (@dkrnl)
• #2016 e("") fix (@seven-phases-max)
• #2000 Set CSS text after style element is added to DOM, to fix crash on IE < 9... (@David-Hari)
• #2002 Fixes #2001 (@seven-phases-max)
• #1981 fix bug with ../.. paths joining (@kolipka)
• #1974 Change paths determination for CLI (@dominicbarnes)
• #1929 Recursive mixin calls regression fix. (@seven-phases-max)
• #1936 Fix error message when using cleancss with sourcemap (@danielchatfield)
• #1919 Usage info for url-args option (@bcluca)
• #1907 Remove trailing spaces from the license header. (@XhmikosR)
• #1906 Remove twitter-bootstrap tag from SO link (@zlatanvasovic)

v1.7.0 (2014-02-27)

• #1890 Let luma follow spec (@seven-phases-max, @lukeapage)
• #1859 detached rulesets (@lukeapage)
• #1884 Minor replace and % funcs improvement. (@seven-phases-max)
• #1855 Adding replace function (@jakebellacera, @mouyang)
• #1866 Fixed empty args matching for named variadics. (@seven-phases-max)
• #1860 Support for variables in certain at-rules. (@seven-phases-max)
• #1847 Property merge with +_ (replaces #1788) (@seven-phases-max, @mouyang)

v1.6.3 (2014-02-08)

• #1844 fix broken test case (@mouyang)

v1.6.2 (2014-02-02)

• #1841 Improved missing ( and { error detection. (@seven-phases-max)
• #1828 Updates bower.json for current version (@ruyadorno)
• #1823 Improved multiple default() guards conflict detection. (@seven-phases-max)
• #1822 Normalize require-calls for Browserify (@pateketrueke)
• #1814 Rounding of output numbers. (@seven-phases-max)
• #1806 rhino version not up to date (#1405) (@obecker, @dhaber)
• #1815 Correct arguments for tree.Element (@oyejorge)
• #16 Don't lint source-map since its owned by another project (@dhaber)
• #17 Fix empty test (@dhaber)
• #1803 ability to insert uppercase color names (@wareczek)
• #1804 small compatibility fix for prototype.js (@cettox)
• #13 Add Support-Map Tests for Rhino (@dhaber)
• #12 Fix for some tests that were failing on my Mac (@dhaber)
• #11 Fix for issue #3: Tests should automatically take latest rhino file (@dhaber)

v1.6.1 (2014-01-12)

• #1780 #1778 standardised using starting index, to fix incorrectly mapped sourcemaps (@brenmar)
• #1797 Updated .jshintrc to highlight for ... in without isOwnProperty (@DHainzl)
• #1795 Fix for running test cases in a regular browser like Firefox or Chrome (@dhaber)
• #1773 Fixes "function" test against regular expressions (@matthew-dean)

v1.6.0 (2014-01-01)

• #1737 Clamped rgba format color output (@seven-phases-max)
• #1769 If result of evaluated javascript is a number return it as Dimension. (@lesswtf)
• #1766 Improved error message for undefined variable in js eval statement. (@seven-phases-max)
• #1758 Removed redundant code from tree.Selector.match() (@seven-phases-max)
• #1757 Tree functions cleanup + CSS Guards default error. (@seven-phases-max)
• #1624 Experimental support for mixins with interpolated selectors (@seven-phases-max)
• #1743 Interleaved property merge fix (@seven-phases-max)
• #1744 Fix CHANGELOG broken link in README. (@jeffslofish)
• #1733 Remove alpha from contrast calc (@Synchro)
• #1704 Color blending functions with transparency. (@seven-phases-max)
• #1708 Updated Readme for full examples (@SomMeri, @Synchro)
• #1717 Minifier complains about annotation in non-JSDoc tag (@joscha)
• #1714 Fix for math expr/ops error messages line/column numbers. (@seven-phases-max)

v1.5.1 (2013-11-17)

• #1658 Fixes #1619 (@joshuaspence)
• #1643 Check location.port for truthiness (@matthewp)
• #1655 Support specifying custom variables when calling lessc and less.js. (@chipx86)
• #1628 update bower.json main script (@tomfuertes)

v1.5.0 (2013-10-21)

• #1570 proposed solution to #1568: percentage as attribute (@MSamman, @danielfttorres)
• #1572 util.error is deprecated (@robocoder)
• #1542 Added length function (#1542). Added scalar value handling for extract and length (#1576). (@seven-phases-max)
• #1558 Bower package: purge unnecessary files (@danielfttorres)

v1.5.0-b3 (2013-09-17)

• #1552 Replace deprecated sys.puts with console.log, resolve #1529 (@picomancer)
• #1543 Sourcemap basepath option (@andjo)
• #1412 Allow imports from self-signed SSL hosts (@christopherobin)

v1.5.0-b2 (2013-09-09)

• #1537 Fix Changelog link (@radium-v)

v1.5.0-b1 (2013-09-03)

• #1519 Update main property value of bower.json (@JacopKane)
• #1 Refactoring browser unit tests into grunt-contrib-jasmine (@SomMeri)
• #1449 resolves #964 (@jonschlinkert)

v1.4.2 (2013-07-20)

• #1425 Windows path fixes (@SLaks)
• #1388 Add .gitattributes to .npmignore (@dpatti)

v1.4.0-b3 (2013-04-30)

• #1278 Better fix for local path (cross-platform) (@losnir)
• #1277 contributing.md updates. Fellow nerds! please wrap words with @ signs in backticks! (@jonschlinkert)
• #1273 Fix for local paths (@losnir)
• #1244 Add Less license to package.json (@theoreticaLee)
• #1236 Fixes small typo in command prompt usage text (@buley)

v1.4.0-b2 (2013-03-18)

• #1230 package.json edited (@jonschlinkert)

v1.4.0-b1 (2013-03-08)

• #1197 Updates copyright year in README.md (@Starefossen)
• #1148 Better implementation of luma (@Synchro)
• #1147 HSV support for #1143 (@Synchro)
• #1145 Contrast percentage fix for #1144 (@Synchro)
• #933 Allow flexible naming for amd support (#933) (@guybedford)

v1.3.1 (2012-10-18)

• #889 Add dppx and dpcm units to parser dimensions (@feelepxyz)
• #890 Add vmin unit to parser dimensions (@feelepxyz)
• #879 Allow numbers and underscores in attribute selectors (@dmcass)
• #857 Revert adding "transparent" as a color name (@clmsnskr)
• #753 Adding "dpi" as a valid dimensions for media queries (@clarkni5)
• #800 Added 'transparent' as a named color (@SpadarShut)
• #804 Fix for unnamed parameters test fail & failing test for import-once (@jreading)
• #796 fixed issue #795 (@comfuture)
• #268 Implemented named arguments (@jamesfoster)

v1.3.0 (2012-03-10)

• #673 mocha found a couple global variable leaks. Here's the fix. (@andrewjstone)
• #634 Add @media bubbling/nesting/merging (@NDMarcel)
• #631 Fixed spelling error on benchmark/less-benchmark.js (@highergroundstudio)
• #601 Make parse error handler more robust (@adrianheine)
• #595 Fix callback called two times (@hokaccha, @cloudhead, @chrizel, @fat)
• #604 Fixes #602 (@treshugart)
• #585 newline all selectors whose combined length is greater than 25 chars (@fat)
• #479 CommonJS/AMD module support (@tobias104)
• #516 Improve Windows path support in lessc (@chrizel)
• #557 Fix for issue #466 (@kmchugh)
• #515 Shift the type setting in order to work with Webkit, and fix typo for IE (@imcotton)
• #527 Add function percentage (@hokaccha)

1.1.5-extend_patch (2011-12-13)

• #496 Removed call to put header into minified build, because it's already there. (@freeeve)
• #379 Accept 2xx statuses even for file requests (@khalsah)
• #494 Adding support for absolute paths on Windows. (@jmcclell)
• #514 Fix java.io.FileNotFoundException when @importing from LESS in subdirectory (@eager)
• #461 require 'util' instead of 'sys' in lessc and less-benchmark.js (@dmcass)
• #506 Issue #393 Add support for "rem" dimensions (@feelepxyz)
• #507 Fixed lessc require('sys') for nodejs 0.6.* (@garth)
• #492 fix comments in operations (ex: height: 2px 4 / ie hack /) (@fat)
• #458 Assignment entities (@fat, @cloudhead, @asolove)

1.1.4-lastest (2011-11-14)

• #445 fix undefined reference (@asolove)
• #450 store index on selector element objects for line number inference (@fat)
• #432 #361: Fix for quoted data URIs getting prepended with path (@asolove)
• #388 Rhino support (@erwan)
• #355 support imports with querystrings (google fonts) fix #265 (@revolunet)
• #340 Read less-content from stdin (@snorkypie)
• #341 patch for Issue 322 (@ttfkam)
• #335 update ARGB support, fix IE9 style injection (@ttfkam)
• #229 add fade() function (@bennyschudel)
• #347 support @-moz-keyframes. (@idris)
• #169 (fix) including .less files via absolute path with IE7 (@ldaley)
• #189 Google Chrome(Chromium) support for extensions (@dz0ny)
• #247 New "escape" function (@gilt)
• #134 Fixed issue (#134) where subfiles' @imports were regarding #, ? and url portions thereafter as part of the base url. (@dbergey)