0.54.5 / 2016-04-28

- Fix: [CLI] Correct console output for Node 6.0

# 0.54.4 / 2016-04-27

- Fix: Correct extname checks for Node 6.0

# 0.54.3 / 2016-04-26

- Fix: Proper embedurl encoding for svg files with a hash.
- Fix: Validate this.dest before using path.extname.
- Fix: Update node-glob version.

# 0.54.2 / 2016-03-11

- Fix: False-positive import loop with empty imported file.

# 0.54.0 / 2016-03-05

- Feature: Added initial reference selector.
- Feature: New `embedurl()` bif with optional utf8 uncoding support for SVG.
- Feature: New `index()` bif.
- Feature: New `percentage()` bif.
- Feature: New `slice()` bif, #2115.
- Feature: Support for UTF-8 encoding of urls, #2084.
- Feature: Added `global` flag to `define()` function.
- Feature: `match()` bif now returns the matched values instead of a boolean, #2109.
- Feature: Added an optional `flags` argument to `match()` bif, #2109.
- Docs: Added basic “getting started” to Readme, #2073.
- Docs: Updated information about error reporting.
- Fix: `selectors()` now returns proper subselectors.
- Fix: No more unneeded spaces with partial reference selector using ranges.
- Fix: Proper evaluating of the default arguments.
- Fix: Evaluate variables in current-media function.
- Fix: Validate regexp flags for `match` function.
- Fix: Proper conditional assignment and "define" method.
- Fix: Proper relative paths in sourcemaps if –out flag is set to a filename.
- Fix: Proper errors with `--include-css` and `--resolve-url` used concurrently.
- Fix: [Evaluator] Support for function as a default argument for functions.
- Fix: [Lexer] Proper multiline comments inside multiline expressions.
- Fix: [JS API] Proper variables from options object inside expressions.
- Fix: [Renderer] No more caching of parsed AST for deps-resolver.

# 0.53.0 / 2015-12-14

- Feature: Numeric partial references.
- Feature: Relative references.
- Feature: New `selectors()` bif.
- Feature: Support for comma-separated lists as `selector()`'s arguments.
- Docs: Reworked contribution guidelines.
- Docs: Added Contributor Code of Conduct.
- Fix: Support for multiple consecutive parent references.
- Fix: Proper removal of parent references at the root when combinators are present.
- Fix: Don't add space before unknown units.
- Fix: Allow comma-separated lists in `@supports` value.
- Fix: No more error message for "assertType" without parameter name.
- Fix: Proper middleware overlap function on windows. Thanks to #2029 by @bcomnes.
- Fix: Better absolute path detection for Windows. Thanks to #2033 by @mlohbihler.
- Refactoring: Moved bifs to separate files.

# 0.52.4 / 2015-09-04

- Fix: Revert changes in "looksLikeSelector" method.

# 0.52.3 / 2015-09-04

- Fix: Another parsing regression.

# 0.52.2 / 2015-09-03

- Fix: A parsing regression.

# 0.52.1 / 2015-09-03

- Fix: Correct line numbers in error messages for files with CSS comments.
- Fix: Better absolute urls detection.
- Fix: Added type assertions to "substr", "split" and "replace" bifs.
- Fix: Atrules parsing with a block at a new line.
- Fix: Bug with commented indented lines at the end of a file.
- Fix: Stylus error messages for Node 0.12+.
- Fix: A bug with arguments cloning.

# 0.52.0 / 2015-07-19

- Feature: new url resolver without url checks (`--resolve-url-nocheck`).
- Feature: New option to json bif ("leave-strings").
- Feature: New option to json bif ("optional").
- Feature: Adding utf-8 charset to inline sourcemap.
- Feature: allow inline CSS comments inside value.
- Fix: shouldn't fail to compile in strict mode, #1923.
- Fix: Paths should be normalized for windows support, #1954.
- Fix: Proper parsing of selector groups with placeholder and color-like ID.
- Fix: Proper import loop detection.
- Fix: Correct output of namespaces and charsets inside imports.
- Fix: Indented comments shouldn't cause errors.
- Fix: Proper way of parsing lists in "convert" bif.
- Fix: Proper comma escaping in an object interpolation.
- Fix: Allow no whitespace between keyframes name and the following curly brace.

# 0.51.1 / 2015-04-28

- Fixed `;` at the end of blockless unknown at-rules.
- Fixed float units convertion by `convert` bif.

# 0.51.0 / 2015-04-23

- Added support for cascading extend.
- Added "transparent" as a named color.
- Added support for blockless unknown at-rules.
- Made math more strict.
- Fixed bug with extending nested placeholder selectors inside MQ.
- Fixed imports inside `@media` blocks.
- Fixed url resolver to consider `--out` options.
- Fixed parsing of multiple "else if" statements.
- Fixed an edge case with recursive extend.
- Fixed regression with nested media queries.
- Fixed parsing of nested comments.
- Fixed checking paths overlap if 'dest' is a function in middleware.

# 0.50.0 / 2015-02-05

- Added `!optional` directive for extending, #1757.
- Added `selector-exists` bif, #1758.
- Added `remove` bif for removing items from hashes.
- Added optional recursive hash merging, #1771.
- Added optional (`--hoist-atrules` flag) `@import` and `@charset` hoisting.
- Added a way to output to specific file path with CLI, #1800.
- Fixed regression with using `@media` inside `+cache`.
- Fixed `resolve-url` for hash urls, #1778.
- Fixed `mix` bif for differently transparent colors, #1792.
- Fixed bug with postfix `&` without comma.
- Fixed incorrectly imported functions defined in other files with nested @require.
- Fixed duplicated selectors when extending into placeholders with MQ.
- Fixed `filter: contrast()` error.
- Fixed the cloning of cached nodes.
- Fixed incorrect filenames included in source maps, #1812.
- Fixed stripping of unsuppressed comments from nested blocks.
- Fixed build error for multiple files, #1813.
- Fixed error handling slightly.
- Fixed (throwing error) edge case of watching and printing at the same time, #1798.
- Fixed watch to log to std.err, #1796.
- Fixed indent in complex rules at CSS to Stylus conversion, #1808.

# 0.49.3 / 2014-11-06

- Fixed regression with `block` keyword inside block mixin.

# 0.49.2 / 2014-10-14

- Fixed regression #1727 + small fixes for #1717.
- Fixed nested selectors when using nested and bubbled media queries.
- Fixed issue when mixin's block is used as part of a property value.
- Fixed hardcoded `.styl` extension from CLI (added `extname` arg).

# 0.49.1 / 2014-09-24

- Fixed an output order of nested media queries.
- Fixed regression with cached nodes.
- Fixed support for `Woff2` and `WebP` mime-tipes, #1699.

# 0.49.0 / 2014-09-22

- Added a way to use plugins in stylus.render options, #1697.
- Added LRU for memory caching.
- Now returning literal CSS on parser error when `--resolve-url` is set.
- Now not showing JS stack trace for stylus' `error()` calls.
- Fixed inconsistent source maps' field orders.
- Fixed bug with calling functions inside an inline loop.
- Fixed bug with nested media queries inside a mixin.
- Fixed bug with extending nested selector inside placeholder selector.
- Fixed bug with alpha variable for hsla/rgba.
- Fixed extending of rules inside unknown at-rules.
- Fixed incorrect merging of media queries using variables.
- Fixed bubbling for `@keyframes`.
- Fixed incorrect `@supports` parsing.
- Fixed `url()` support for `@namespace`.
- Fixed incorrect filename and column information for cached nodes.
- Fixed `--sourcemap-base` to be ignored when `--out` is present.
- Fixed outputting sourcemap log message when `--print` was present.

# 0.48.1 / 2014-08-21

- Fixed sourcemap paths when `--out` flag is present, #1668.
- Fixed the naming convention for maps: `.styl.map` => `.css.map`, #1668.

# 0.48.0 / 2014-08-20

- Added basic sourcemaps support, #1655.
- Added info on columns for sourcemaps and better error reporting.
- Added `globals` and `functions` keys to options object in JS API, #1653.
- Added `rebeccapurple` named color.
- Added `unicode-range` support (#1648).
- Changed the behaviour of adding percents together to the more sane one, #1664.
- Fixed bug with property lookup inside mixin block (#1645).
- Fixed a bug with nested media queries inside mixins (#1643).
- Fixed an `@extend` inside `@media` queries with multi-level selectors (#1658).
- Fixed bug with cloning of an interpolated selector with comma (#1660).
- Fixed bug with nested media queries in conditionals.
- Fixed a bug with cached imports (#1641).
- Fixed `@css` literal that generated `u+0085` characters instead of newlines (#1663).
- Fixed escaped comma (`\,`) inside hashes (#1666).
- Fixed a string representation of HSLA node to preserve `%` (#1439).
- Fixed incorrect position of inline comments (#1597).
- Fixed a bug with an apostrophe and a colon in a single-line comment (#1647).

# 0.47.3 / 2014-07-22

- Fixed support for schema-less urls inside `url()`.

# 0.47.2 / 2014-07-19

- Fixed comma-first multiline syntax, #1634.
- Fixed hsla arguments for different color functions, #1619.
- Fixed Bug with @media and placeholder selectors, #1625.
- Fixed bug with nested media queries, 1620.
- Fixed broken URL parsing for source and destination paths, #1613.

# 0.47.1 / 2014-07-02

- Fixed treatment of unknown pseudo-elements, #1608.
- Fixed unit expression precedence error, #1611.

# 0.47.0 / 2014-07-01

- Added support for anonymous functions, #1580.
- A lot of better color functions, #1526:
  - Added support for two arguments for `hsla`.
  - Added component setters (`red`, `hue`, `alpha` etc.).
  - Added `luminosity` bif.
  - Added `blend` bif.
  - Added `contrast` bif.
  - Added `transparentify` bif.
- Added `list-separator` bif, #1576.
- Added symlinks support to CLI, #1577.
- Added idents and units coercion, #1605.
- Fixed `@keyframes` parsing issue.
- Fixed parse error when `{` is on a new line in at-rules.
- Fixed an issue with multiline parsing.
- Fixed another issue with cached imports, #1587.
- Fixed illegal unary "%", missing left-hand operand, #1586.
- Reverted #1527.

# 0.46.3 / 2014-06-09

- Fixed parse error, #1582.

# 0.46.2 / 2014-06-04

- Fixed regression with double writing of transparent mixin value, #1574.

# 0.46.1 / 2014-06-04

- Fixed regression with a root reference in interpolated selectors, #1573.

# 0.46.0 / 2014-06-03

- Added support for nested media queries, #1540.
- Added `convert` built-in function, #1545.
- Added negative index values support for subscripts, #1564.
- Add short-circuit evaluation for logical operators, #1532.
- Fixed the dropped commas in splat arguments, #1525.
- Fixed double-writing the `@media` and other at-rules in mixins, #1535.
- Fixed unit expression precedence error, #1537.
- Fixed comments inside the property expressions, #1538.
- Fixed handling of the `@css` and `unquote` inside groups, #1527.
- Fixed incorrect line numbers on errors, #1543.
- Fixed import cloning with cache, #1548.
- Fixed cloning to preserve `property.literal`, #1558.
- Fixed bifs arguments cloning bug, #1560.
- Fixed bug with nested interpolated selectors with a comma, 1568.
- Fixed `current-property` ignored in property lookup, #1565.
- Fixed `current-property`'s value to be evaluated in the right context, #1562.
- Fixed spaces and comments inside a hash declaration, #1554.
- Fixed aliases for transparent mixins, #1557.
- Fixed compilation fail when 'dest' path doesn't end with '/', #1541.
- Fixed bug with CSS to Stylus `@keyframes` converting, #1549.

# 0.45.1 / 2014-05-16

- Fixed regression with `@require` and globbed paths inside functions, #1529.

# 0.45.0 / 2014-05-11

- Added support for more CSS-like syntax variants: indented code blocks, closing curly brace on the same line with props etc (as now ignoring meaningless tokens while parsing), #1506.
- Added support for block-level `@import` and `@require`, #1495.
- Added hash values support in `@media`, #1504.
- Added coercion for pt units, #1483.
- Added a way to escape `\` in a tag name, #1487.
- Fixed trailing spaces and comments in the selector groups, #1499.
- Fixed comments in the selector parts (now ignoring them), #1517.
- Fixed bug with url string having a protocol, #1510.
- Fixed bug with `@scope` and complex selectors, #1505.
- Fixed the recursion with the `display: block` inside block mixins, #1515.
- Fixed bug with current-property and block mixins, #1512.
- Fixed bug with complex selectors in conditionals, #1500.
- Fixed bug with `@media` bubbling and conditionals, #1518.
- Fixed bug with newlines and comments in conditionals, #1520.
- Fixed bug with the variable in the first line of mixin, #1502.
- Fixed but with the variable right after iterating over an empty list, #1503.
- Fixed bug with built-in function calls inside a hash assignment, #1488.
- Fixed bug with `*` selector first in the group, #1498.
- Fixed unnecessary bubbling for `@keyframes`, #1490.
- Fixed bug with undefined `filename` on keyframes, #1485.

# 0.44.0 / 2014-04-23

- Major performance tuning and basic caching support, almost ⨉2 build time boost, #1428.
- Added basic support for most at-rules, #1464.
- Added `+cache` built-in mixin for caching the result of functions and mixins into placeholders, #1466.
- Added `current-media()` bif that returns the string for the current media query, #1466.
- Added `called-from` property in functions that contains the names of the functions from the call stack till the current one, #1466.
- Added a way to escape commas and parent references inside selectors, #1413.
- Removed the never needed `-ms-` prefix for keyframes.
- Fixed rendering of multiple selectors inside interpolation, #1413.

# 0.43.1 / 2014-04-07

- Fixed regression with `only` keyword, #1460.

# 0.43.0 / 2014-04-05

- Added better support for media queries — interpolations, expressions in values and more, #1453.
- Added `define` bif, #1382.
- Add `--prefix` option for CLI and `+prefix-classes` mixin, #1420.
- Added `--deps` flag to list the dependencies of the compiled file and stylus.deps function, #1429.
- Added support for multiple selectors in `@extend`, #1419.
- Added the support of the hash objects to `define`, #1444.
- Fixed some floating point problems in maths, #1339.
- Fixed the lost decimal part of units can when coercing from a string, #1387.
- Fixed bug with hash lookup when a property name is the same as a name of local variable, #1433.
- Fixed bug with the `+=` operator with strings, #1423.
- Fixed a bug in recompiling of the files with `--watch`, #1435.
- Fixed `default` value for `cursor` property (Temporally remove `default` from the pseudo-classes list), #1438.
- Fixed the rendering of empty `@keyframes`, #1442.
- Fixed parseColor for single digit integers in rgb(a) strings, #1447.
- Fixed wrong named colors, #1450.

# 0.42.3 / 2014-03-03

- Fixed bug with pseudo-elements as part of the nested selector with a class, #1415.
- Ignoring comments in REPL, #1390.
- Fixed bug with print of the line numbers when node has empty `nodes` array, #1412.
- Fixed bug with first argument for defaulted arguments, #1407.
- Fixed compression of blocks with nested rules, #1396.
- Fixed bug with importing of files with `.css` in the dirname, #1385.
- Fixed eaten whitespace after selector with a keyword, #1383.

# 0.42.2 / 2014-01-30

- Added support for reverse ranges.
- Fixed bug with an expression as arguments of function call.
- Fixed bug with property lookup inside `@block`.
- Fixed bug with parsing an attribute selector.
- Fixed bug with `add-property` inside function call.
- Fixed compiling to a directory with `.styl` in the name.
- Fixed bug with missed `mtime` in middleware imports.
- Fixed an incorrect line number in multi-line group selectors.
- Fixed incorrect file path in win32 debug info, #1353.

# 0.42.1 / 2014-01-19

- Fixed color functions to fallback into literal CSS functions, #1340.
- Fixed `@import` globbing with `--watch`.
- Fixed Bug with units as part of the selector.
- Fixed compiling with UTF-8 BOM.
- Added Icons, and reorganization of graphics folder, #1346.

# 0.42.0 / 2014-01-06

- Added `@require`, #1287.
- Added more lookup patterns for the `@import` and `@require`. Support Node.js modules, #1316.
- Added file globbing, #1306 and #1013.
- Added root reference, part of #1240.
- Added basic support for `@block` entity, #1290.
- Added string support for `selector()` bif, #1279.
- Added options as an optional argument for `use()` bif, #1297.
- Added some new colors shortcuts: grayscale, complement, tint & shade, #1308.
- Fixed broken @media queries in logic blocks, #1289.
- Fixed function call inside block mixin is on the `block` variable pass, #1285.
- Fixed bug with `if` and color in array check, #1301.
- Fixed bug with list of color keywords as default argument, #1294.
- Fixed bug with property lookup in @media queries, #1315.
- Now using `css-parse` instead of `CSSOM` for converting CSS -> Stylus, #1307.

# 0.41.3 / 2013-12-12

- Fixed regression for `selector`, #1278.

# 0.41.2 / 2013-12-10

- Fixed property lookup in blocks, #1273.
- Fixed @extend in blocks, #1274.
- Fixed if-else-if-else, #1276.

# 0.41.1 / 2013-12-08

- Fixed inaccessible local variable inside conditional which is inside a selector, #1267.
- Fixed some minor issues with `selector()` interpolation, #1259.
- Fixed missing hashes in base64 converted urls, #1263.
- Fixed conditionals inside `@font-face`, #1268.

# 0.41.0 / 2013-11-30

- Added basic block mixins (`+foo`) with block interpolation (`block`), #1223.
- Added `selector()` bif, #1249.
- Added hash interpolation to blocks, #1202.
- Fixed parent reference in root context from returning `&`.
- Fixed bug with double writing media blocks, 1ed44a81
- Fixed a lot of regressions after hashes, #1230, #1236, #1237, #1248.

# 0.40.3 / 2013-11-16

- Fixed current-property to be available in function evaluation context, #1211.
- Fixed another regression, #1215.

# 0.40.2 / 2013-11-12

- Fixed regression after the #1185, #1207.

# 0.40.1 / 2013-11-12

- Fixed assign to hashes using dot, #1201.
- Fixed regression from the #1185.
- Fixed precedence of the subscript operator, #1189.
- Fixed imports in functions, #1192.
- Fixed compressing of time units, #1204.

# 0.40.0 / 2013-11-05

- Allow multiple `end` event handlers + optional result css modification, #1180.
- Added Support for proper hashes in json config, #1186.
- Allow functions accept object literal as an argument, #1184.
- Fixed another infinite loop (`a[` etc.), #1187.
- Fixed bug in hashes subassigns with functions, #1181.
- Fixed "is" attribute selectors fail, #1185.

# 0.39.4 / 2013-11-03

- Fixed another regression after #1150, #1183.

# 0.39.3 / 2013-11-01

- Fixed parse error in conditional statement without `()`, #1178.

# 0.39.2 / 2013-10-31

- Fixed other regressions after #1150, #1175.

# 0.39.1 / 2013-10-30

- Fixed regression after #1150, #1172.

# 0.39.0 / 2013-10-30

- Added basic hashes support, #1150.
- Allow to inject Evaluator via Renderer's options, #1149.
- Fixed infinite loop case, #1147.
- Fixed Bug with `else if match`, #1154.
- Fixed schemaless absolute urls for `url`, #1148.
- Fixed urls in windows 7 for `--relative-url`, #1156.
- Fixed calculation inside `calc` CSS function, #1133.
- Fixed parsing shorthand colors from json config, #1158.

# 0.38.0 / 2013-09-24

- Fixed `push` not to modify the first element of another array, #1118.
- Fixed property lookup from mixins, #1127.
- Fixed support for `src` and `dest` in middleware, started tests for middleware #1143.
- Fixed `--resolve-url` that removed tails from urls, #1126.
- Fixed mime type for `.woff`, #1128.
- Fixed `.toString` for undefined functions, #1119.
- Fixed path overlap for non-string dest, #1115.
- Fixed `path.resolve` for nonœ-true resolveURL, #1116.
- Fixed sync return in `stylus.render()`, #1138.
- Fixed duplicate calls from `this.calling`, #1122.

# 0.37.0 / 2013-08-19

- Added optional params to the json bif, #1102.
- Added `--print` option to print CSS to stdout, #1108.
- Fixed json bif to return literals for colours, #875.
- Fixed include of the css files when `--resolve-url` is on, #1099.
- Fixed error in negating variables, #1101.
- Fixed bug in `p` function, #1111.
- Fixed tests under windows, #1105.
- Fixed regression after #1094, #1113.
- Fixed regression after #983, #1098.

# 0.36.1 / 2013-08-06

- Fixed regression after #1090, #1094.

# 0.36.0 / 2013-08-01

- Added `substr`, `replace` and `split` bifs, #1088.
- Added possibility to provide functions to src and dest, #930.
- Added explicit expose for events, #898.
- Added blocking and css manipulation possibility within 'end' event, #923.
- Fixed unneeded code for imports, #1090.
- Fixed mtime for literal imports, #983.
- Fixed empty string as possible quote value for string node, #956.
- Fixed non-symmetrical src and dest paths in middleware, #1037.

# 0.35.1 / 2013-07-29

- Fixed the support for progressive JPEGs in `image-size`, #1087.

# 0.35.0 / 2013-07-29

- Added jpeg and svg support to image-size, #1083.
- Added `tan` trigonometric function, also `sin` and `cos` now understand `deg` units.
- Added fonts to data URI `url()` mimes, also the list of mimes is now configurable, #841, #1046.
- Added base conversion for numbers, #714.
- Fixes extends from nested mixins, #1084.
- Fixes coercion error, #1082.

# 0.34.1 / 2013-07-12

- Fixed the regression after #865.

# 0.34.0 / 2013-07-12

- Added built-in `use()` function to extend Stylus from inside of `.styl` files, #788.
- Added optional resolver of relative urls, #1070.
- Fixes incorrect imports lookup inside function call, #1069.
- Fixes a lot of issues with trailing symbols in comments, #865.
- Fixes brace on a newline CSS code style.
- Some minor fixes to tmbundle: #975, #1033, #1034.

# 0.33.1 / 2013-06-30

- Fixed the `exports.version` to always show an actual one.

# 0.33.0 / 2013-06-30

- Added extendable placeholder selectors, #1014.
- Added optional argument to `image-size` function, #812.
- Fixed inline comments after selectors, #862.
- Fixed a bug with empty block in CSS syntax, #712.

# 0.32.1 / 2013-02-27

- fix issue on Windows where absolute path starts with two backslashes
- fix extends within a loop.
- fix: don't try to read absolute urls

# 0.32.0 / 2013-01-04

- add sync api for #230 #691 #151
- fix unsuppressed comments in nested imports
- fix #911 Percentage calculation value not copied

# 0.31.0 / 2012-11-24

- add support for rounding precision
- fix extends with parent reference. Closes #879
- fix importing of files with ".css" in the dirname
- fix #619 Support slash in media
- fix #819 Extends generate duplicate selectors
- fix #807 directory with `.styl` in the name and local install of stylus
- fix #814 Add property function with media query
- fix #828 Add 'x' unit for image-set (synonym to dppx).
- fix #834 Percentage calculation not used when value is expression

# 0.30.1 / 2012-10-17

- fix mozdocument nodes not getting visited during imports. Fixes #853

# 0.30.0 / 2012-10-15

- add -moz-document to the lexer and parser. Fixes #436
- add –import for issue #485
- fix