Version 10.5.0 preparation

New Languages:

Added 3rd party Red & Rebol grammar to SUPPORTED_LANGUAGES (#2872) Oldes Huhuman

Language improvements:

enh(makefile): Add make as an alias (#2883) tripleee

Grammar improvements:

enh(vb) Large rework of VB.net grammar (#2808) Jan Pilzer
- Adds support for Date data types, see (#2775)
- Adds support for REM comments and fixes ''' doctags (#2875) (#2851)
  - Custom number mode to support VB.net specific number flags
  - Hex (&H), Oct (&O), and binary (&B) prefixes
  - Separating digits with underscores: 90_946
- Type suffixes: 123UI (unsigned integer)
- Improves directives detection and adds support for Enable, Disable, and Then keywords
- Adds more markup tests

Version 10.4.0

A largish release with many improvements and fixes from quite a few different contributors. Enjoy!

Deprecations:

(chore) requireLanguage is deprecated.
- Prefer getLanguage (with custom error handling) or built-time dependencies.
- See Library API for more information.

Parser:

enh(parser) use negative look-ahead for beginKeywords support (#2813) Josh Goebel
enh(grammars) allow classNameAliases for more complex grammars Josh Goebel
fix(vue): Language name now appears in CSS class (#2807) Michael Rush
(chore) Clean up all regexs to be UTF-8 compliant/ready (#2759) Josh Goebel

New Languages:

Added 3rd party Chapel grammar to SUPPORTED_LANGUAGES (#2806) Brad Chamberlain
Added BBCode grammar to SUPPORTED_LANGUAGES (#2867) Paul Reid
enh(javascript) Added node-repl for Node.js REPL sessions (#2792) Marat Nagayev

Language Improvements:

enh(shell) Recognize prompts which contain tilde ~ (#2859) Guillaume Grossetie
enh(shell) Add support for multiline commands with line continuation \ (#2861) Guillaume Grossetie
enh(autodetect) Over 30+ improvements to auto-detect (#2745) Josh Goebel
- 4-5% improvement in auto-detect against large sample set
- properties, angelscript, lsl, javascript, n1ql, ocaml, ruby
- protobuf, hy, scheme, crystal, yaml, r, vbscript, groovy
- python, java, php, lisp, matlab, clojure, csharp, css
fix(r) fixed keywords not properly spaced (#2852) Josh Goebel
fix(javascript) fix potential catastrophic backtracking (#2852) Josh Goebel
fix(livescript) fix potential catastrophic backtracking (#2852) Josh Goebel
bug(xml) XML grammar was far too imprecise/fuzzy Josh Goebel
enh(xml) Improve precision to prevent false auto-detect positives Josh Goebel
fix(js/ts) Prevent for/while/if/switch from falsly matching as functions (#2803) Josh Goebel
enh(julia) Update keyword lists for Julia 1.x (#2781) Fredrik Ekre
enh(python) Match numeric literals per the language reference Richard Gibson
enh(ruby) Match numeric literals per language documentation Richard Gibson
enh(javascript) Match numeric literals per ECMA-262 spec Richard Gibson
enh(java) Match numeric literals per Java Language Specification Richard Gibson
enh(swift) Match numeric literals per language reference Richard Gibson
enh(php) highlight variables (#2785) Taufik Nurrohman
fix(python) Handle comments on decorators (#2804) Jonathan Sharpe
enh(diff) improve highlighting of diff for git patches [Florian Bezdeka][]
fix(llvm) lots of small improvements and fixes (#2830) Josh Goebel
enh(mathematica) Rework entire implementation Patrick Scheibe
- Correct matching of the many variations of Mathematica's numbers
- Matching of named-characters aka special symbols like \[Gamma]
- Updated list of version 12.1 built-in symbols
- Matching of patterns, slots, message-names and braces
fix(swift) Handle keywords that start with # Marcus Ortiz
enh(swift) Match some keyword Marcus Ortiz
enh(swift) Match @main attribute Marcus Ortiz

Dev Improvements:

chore(dev) add theme picker to the tools/developer tool (#2770) Josh Goebel
fix(dev) the Vue.js plugin no longer throws an exception when hljs is not in the global namespace Kyle Brown

New themes:

StackOverflow Dark by Jan Pilzer
StackOverflow Light by Jan Pilzer

Version 10.3.1

Prior version let some look-behind regex sneak in, which does not work yet on Safari. This release removes those incompatible regexes.

Fix:

fix(Safari) Remove currently unsupported look-behind regex (fix) Josh Goebel

Version 10.3.0

Language Improvements:

enh(latex) Complete ground up rewrite of LaTex grammar schtandard
fix(cpp) implement backslash line continuation in comments (#2757) Konrad Rudolph
fix(cpp) improve parsing issues with templates (#2752) Josh Goebel
enh(cpp) add support for enum (struct|class) and union (#2752) Josh Goebel
fix(js/ts) Fix nesting of {} inside template literals SUBST expression (#2748) Josh Goebel
enh(js/ts) Highlight class methods as functions (#2727) Josh Goebel
fix(js/ts) constructor is now highlighted as a function title (not keyword) (#2727) Josh Goebel
fix(c-like) preprocessor directives not detected after else (#2738) Josh Goebel
enh(javascript) allow # for private class fields (#2701) Chris Krycho
fix(js) prevent runaway regex (#2746) Josh Goebel
fix(bash) enh(bash) allow nested params (#2731) Josh Goebel
fix(python) Fix highlighting of keywords and strings (#2713, #2715) Konrad Rudolph
fix(fsharp) Prevent (*) from being detected as a multi-line comment Josh Goebel
enh(bash) add support for heredocs (#2684) Josh Goebel
enh(r) major overhaul of the R language grammar (and fix a few bugs) (#2680) Konrad Rudolph
enh(csharp) Add all C# 9 keywords, and other missing keywords (#2679) David Pine
enh(objectivec) Add objective-c++ and obj-c++ aliases for Objective-C Josh Goebel
enh(java) Add support for record (#2685) Josh Goebel
fix(csharp) prevent modifier keywords wrongly flagged as title (#2683) Josh Goebel
enh(axapta) Update keyword list for Axapta (X++) (#2686) Ryan Jonasson
fix(fortran) FORTRAN 77-style comments (#2677) Philipp Engel
fix(javascript) Comments inside params should be highlighted (#2702) Josh Goebel
fix(scala) Comments inside class header should be highlighted (#1559) Josh Goebel
fix(c-like) Correctly highlight modifiers (final) in class declaration (#2696) Josh Goebel
enh(angelscript) Improve heredocs, numbers, metadata blocks (#2724) Melissa Geels
enh(javascript) Implement Numeric Separators (#2617) Antoine du Hamel
enh(typescript) TypeScript also gains support for numeric separators (#2617) Antoine du Hamel
enh(php) Add support for PHP 8 match keyword and add php8 as an alias (#2733) Ayesh Karunaratne
fix(handlebars) Support if else keyboards (#2659) Tom Wallace

Deprecations:

useBR option deprecated and will be removed in v11.0. (#2559) Josh Goebel

Version 10.2.1

Parser Engine:

fix(parser) complete fix for resuming matches from same index (#2678) Josh Goebel

Version 10.2.0

Parser Engine:

(fix) When ignoring a potential match highlighting can terminate early (#2649) Josh Goebel

New themes:

Gradient Light by Samia Ali

Deprecations:

fixMarkup is now deprecated and will be removed in v11.0. (#2534) Josh Goebel

Big picture:

Add simple Vue plugin for basic use cases (#2544) Josh Goebel

Language Improvements:

fix(bash) Fewer false positives for keywords in arguments (#2669) sirosen
fix(js) Prevent long series of /////// from causing freezes (#2656) Josh Goebel
enh(csharp) Add init and record keywords for C# 9.0 (#2660) Youssef Victor
enh(matlab) Add new R2019b arguments keyword and fix enumeration keyword (#2619) Andrew Janke
fix(kotlin) Remove very old keywords and update example code (#2623) kageru
fix(night) Prevent object prototypes method values from being returned in getLanguage (#2636) night
enh(java) Add support for enum, which will identify as a class now (#2643) ezksd
enh(nsis) Add support for NSIS 3.06 commands (#2653) idleberg
enh(php) detect newer more flexible HEREdoc syntax (#2658) eytienne

Version 10.1.1

Fixes:

Resolve issue on Node 6 due to dangling comma (#2608) Edwin Hoogerbeets
Resolve index.d.ts is not a module error (#2603) Josh Goebel

Version 10.1.0

New themes:

NNFX and NNFX-dark by Jim Mason
lioshi by lioshi

Parser Engine:

(parser) Now escapes quotes in text content when escaping HTML (#2564) Josh Goebel
(parser) Adds keywords.$pattern key to grammar definitions (#2519) Josh Goebel
(parser) Adds SHEBANG utility mode Josh Goebel
(parser) Adds registerAliases method (#2540) Taufik Nurrohman
(enh) Added on:begin callback for modes (#2261) Josh Goebel
(enh) Added on:end callback for modes (#2261) Josh Goebel
(enh) Added ability to programatically ignore begin and end matches (#2261) Josh Goebel
(enh) Added END_SAME_AS_BEGIN mode to replace endSameAsBegin parser attribute (#2261) Josh Goebel
(fix) fixMarkup would rarely destroy markup when useBR was enabled (#2532) Josh Goebel

Deprecations:

htmlbars grammar is now deprecated. Use handlebars instead. (#2344) Nils Knappmeier
when using highlightBlock result.re deprecated. Use result.relevance instead. (#2552) Josh Goebel
ditto for result.second_best.re => result.second_best.relevance (#2552)
lexemes is now deprecated in favor of keywords.$pattern key (#2519) Josh Goebel
endSameAsBegin is now deprecated. (#2261) Josh Goebel

Language Improvements:

fix(groovy) strings are not allowed inside ternary clauses (#2217) Josh Goebel
fix(typescript) add readonly keyword (#2562) Martin (Lhoerion)
fix(javascript) fix regex inside parens after a non-regex (#2530) Josh Goebel
enh(typescript) use identifier to match potential keywords, preventing false positivites (#2519) Josh Goebel
enh(javascript) use identifier to match potential keywords, preventing false positivites (#2519) Josh Goebel
[enh] Add OPTIMIZE: and HACK: to the labels highlighted inside comments Josh Goebel
enh(typescript/javascript/coffeescript/livescript) derive ECMAscript keywords from a common foudation (#2518) Josh Goebel
enh(typescript) add setInterval, setTimeout, clearInterval, clearTimeout (#2514) Josh Goebel
enh(javascript) add setInterval, setTimeout, clearInterval, clearTimeout (#2514) Vania Kucher
enh(cpp) add pair, make_pair, priority_queue as built-ins (#2538) Hankun Lin
enh(cpp) recognize priority_queue pair as cpp containers (#2541) Hankun Lin
fix(javascript) prevent set keyword conflicting with setTimeout, etc. (#2514) Vania Kucher
fix(cpp) Fix highlighting of unterminated raw strings (#2261) David Benjamin
fix(javascript) => function with nested () in params now works (#2502) Josh Goebel
fix(typescript) => function with nested () in params now works (#2502) Josh Goebel
fix(yaml) Fix tags to include non-word characters (#2486) Peter Plantinga
fix(swift) @objcMembers was being partially highlighted (#2543) Nick Randall
enh(dart) Add late and required keywords, the Never built-in type, and nullable built-in types (#2550) Sam Rawlins
enh(erlang) Add underscore separators to numeric literals (#2554) Sergey Prokhorov
enh(handlebars) Support for sub-expressions, path-expressions, hashes, block-parameters and literals (#2344) Nils Knappmeier
enh(protobuf) Support multiline comments (#2597) Pavel Evstigneev
fix(toml) Improve key parsing (#2595) Antoine du Hamel

Version 10.0.2

Brower build:

Issue (bug) Fix: Version 10 fails to load as CommonJS module. (#2511) Josh Goebel
Issue (removal) AMD module loading support has been removed. (#2511) Josh Goebel

Parser Engine Changes:

Issue fix(parser) Fix freez issue with illegal 0 width matches (#2524) Josh Goebel

Version 10.0.1

Parser Engine Changes:

(bug) Fix sublanguage with no relevance score (#2506) Josh Goebel

Version 10.0.0

New languages:

add(php-template) Explicit language to detect PHP templates (vs xml) Josh Goebel
enh(python) Added python-repl for Python REPL sessions
add(never) Added 3rd party Never language support

New themes:

Srcery by Chen Bin

Parser Engine Changes:

(bug) Fix beginKeywords to ignore . matches (#2434) Josh Goebel
(enh) add before:highlight plugin API callback (#2395) Josh Goebel
(enh) add after:highlight plugin API callback (#2395) Josh Goebel
(enh) split out parse tree generation and HTML rendering concerns (#2404) Josh Goebel
(enh) every language can have a name attribute now (#2400) Josh Goebel
(enh) improve regular expression detect (less false-positives) (#2380) Josh Goebel
(enh) make noHighlightRe and languagePrefixRe configurable (#2374) Josh Goebel

Language Improvements:

enh(python) Exclude parens from functions params (#2490) Álvaro Mondéjar
enh(swift) Add compactMap to keywords as built_in (#2478) Omid Golparvar
enh(nim) adds func keyword (#2468) Adnan Yaqoob
enh(xml) deprecate ActionScript inside script tags (#2444) Josh Goebel
fix(javascript) prevent get/set variables conflicting with keywords (#2440) Josh Goebel
bug(clojure) Now highlights defn- properly (#2438) Josh Goebel
enh(bash) default value is another variable (#2439) Josh Goebel
enh(bash) string nested within string (#2439) Josh Goebel
enh(bash) Add arithmetic expression support (#2439) Josh Goebel
enh(clojure) Add support for global definitions name (#2347) Alexandre Grison
enh(fortran) Support Fortran 77 style comments (#2416) Josh Goebel
(csharp) add support for @identifier style identifiers (#2414) Josh Goebel
fix(elixir) Support function names with a slash (#2406) Josh Goebel
fix(javascript) comma is allowed in a "value container" (#2403) Josh Goebel
enh(apache) add deny and allow keywords Josh Goebel
enh(apache) highlight numeric attributes values Josh Goebel
enh(apache) highlight IP addresses, ports, and strings in sections Josh Goebel
enh(php) added more keywords and include <?= syntax to meta Taufik Nurrohman
fix(protobuf) Fix rpc when followed by a block (#) Josh Goebel
enh(zephir) almost complete rework of the zephir grammar (#2387) Josh Goebel
(markdown) much improved code block support (#2382) Josh Goebel
(markdown) improve bold/italic nesting (#2382) Josh Goebel
enh(csharp) Support where keyword as class constraint (#2378) Josh Goebel
enh(csharp) Allow reference path in class inheritance lists (#2378) Josh Goebel
enh(csharp) Add generic modifiers (in, out) (#2378) Josh Goebel
(fortran) enh(fortran) support intrinsic data types (#2379) Josh Goebel
enh(java) annotations can include numbers (#2377) Josh Goebel
enh(java) annotations can take params (#2377) Josh Goebel
enh(java) allow annotations inside function call params (#2377) Josh Goebel
enh(parser) pre/post-highlightBlock callbacks via plugin (#2285) Josh Goebel
(fortran) Add Fortran 2018 keywords and coarray intrinsics (#2361) Sam Miller
(delphi) highlight hexadecimal, octal, and binary numbers (#2370) Robert Riebisch
enh(plaintext) added text and txt as alias (#2360) Taufik Nurrohman
enh(powershell) added PowerShell v5.1/v7 default aliases as "built_in"s (#2423) Sean Williams
enh(yaml) added support for timestamps (#2475) Peter Plantinga

Developer Tools:

added Dockerfile for optionally developing with a container

Version 9.18.1

Grammar Improvements:

bug(coffeescript) fix freezing bug due to badly behaved regex (#2376) Josh Goebel

Version 9.18.0

New languages:

none.

New themes:

none.

Core Changes:

none.

Language Improvements:

(javascript) fix JSX self-closing tag issues (#2322) Josh Goebel
(fortran) added block and endblock keywords (#2343) Philipp Engel
(javascript) support jsx fragments (#2333) Josh Goebel
(ini) support TOML arrays, clean up grammar (#2335) Josh Goebel
(vbnet) add nameof operator to the keywords (#2329) Youssef Victor
(stan) updated with improved coverage of language keywords and patterns. (#1829) Jeffrey Arnold
enh(cpp) Detect namespaced function types (A::typeName func(...)) (#2332) Josh Goebel
enh(cpp) Detect namespaced functions also (A::functionName) (#2332) Josh Goebel
enh(cpp) Properly detect decltype(auto) (#2332) Josh Goebel
enh(cpp) recognize primitive types (int8_t, etc.) as function types (#2332) Josh Goebel

Developer Tools:

feat(developer): add button to show parsed structure (#2345) Nils Knappmeier

Version 9.17.1

Fixes:

fix(parser): resolve IE 11 issue with Object.freeze() (#2319) Josh Goebel

Version 9.17.0

New languages:

none.

New themes:

Gradient Dark by Samia Ali

Core Improvements:

chore(parser): switch from createElementNS to createElement (#2314) Josh Goebel
enh(parser): add better error when a language requirement is missing (#2311) Josh Goebel
fix(parser/docs): disallow self mode at the top-level of a language (#2294) Josh Goebel
enh(parser) add safe & debug modes. Better error handling for crash conditions. (#2286) Josh Goebel
fix(parser): Fix merger HTML attribute quoting (#2235) Josh Goebel
fix(parser): Look-ahead regex now work for end matches also (#2237) Josh Goebel
fix(parser): Better errors when a language is missing (#2236) Josh Goebel
fix(parser): freeze built-in modes to prevent grammars altering them (#2271) Josh Goebel
fix(themes): fix inconsistencies between some themes padding/spacing (#2300) Josh Goebel
ehh(build) Add CI check for building a "use strict" safe rollup package from NPM builds (#2247) Josh Goebel
fix(pkg): Prefix global addEventListener with window to be able to minify with closure compiler (#2305) Kirill Saksin

Language Improvements:

fix(sql): backslash is not used to escape in strings in standard SQL (#1748) Mike Schall
enh(ebnf) add backticks as additional string variant (#2290) Chris Marchesi
chore(javascript): add esm related extensions to aliases (#2298) Rongjian Zhang
fix(kotlin): fix termination of """ string literals (#2295) Josh Goebel
fix(mercury): don't change global STRING modes (#2271) Josh Goebel
enh(xml) expand and improve document type highlighting (#2287) w3suli
enh(ebnf) add underscore as allowed meta identifier character, and dot as terminator (#2281) Chris Marchesi
fix(makefile) fix double relevance for assigns, improves auto-detection (#2278) Josh Goebel
enh(xml) support for highlighting entities (#2260) w3suli
enh(gml) fix naming of keyword class (consistency fix) (#2254) Liam Nobel
enh(javascript): Add support for jsdoc comments (#2245) Milutin Kristofic
fix(python) fix if getting confused as an f-string (#2200) Josh Goebel and Carl Baxter
enh(powershell) major overhaul, huge improvements (#2224)
enh(css) Improve @rule highlighting, including properties (#2241) Josh Goebel
enh(css) Improve highlighting of numbers inside expr/func calc(2px+3px) (#2241)
enh(scss) Pull some of the CSS improvements back into SCSS (#2241)
fix(go): Fix escaped character literals (#2266) David Benjamin
fix(objectivec): Fix various preprocessor highlighting issues (#2265) David Benjamin
fix(objectivec): Handle multibyte character literals (#2268) David Benjamin
enh(cpp): Add additional keywords (#2289) Adrian Ostrowski

Version 9.16.2

New languages: none.

New styles: none.

Improvements:

fix(arduino) Resolves issue with arduino.js not being "use strict" safe (#2247)

Version 9.16.1

New languages: none.

New styles:

Night Owl by Carl Baxter

Improvements:

Add CLI tool to quickly check for relevance conflicts Mark Ellis (#1554)
enhance(twig) update list of filter and tags (#2090)
fix(crystal): correctly highlight !~ method definition (#2222)
fix dropping characters if we choke up on a 0-width match (#2219)
(accesslog) improve accesslog relevancy scoring (#2172)
fix(shell): fix parsing of prompts with forward slash (#2218)
improve parser to properly support look-ahead regex in begin matchers (#2135)
blacklist super-common keywords from having relevance (#2179)
fix(swift): support for @dynamicMemberLookup and @propertyWrapper (#2202)
fix: endWithParent inside starts now always works (#2201)
fix(typescript): constructor in declaration doesn't break highlighting
fix(typescript): only match function keyword as a separate identifier (#2191)
feature(arduino) make arduino a super-set of cpp grammar
fix(javascript): fix object attributes immediately following line comments
fix(xml): remove vbscript as potential script tag subLanguage
fix(Elixir): improve regex for numbers
fix(YAML): improve matching for keys, blocks and numbers
fix(Pony): improve regex for numbers
fix(handlebars): add support for raw-blocks, and triple-mustaches(#2175)
fix(handlebars): fix parsing of block-comments containing closing mustaches (#2175)
fix(handlebars): add support for segment-literal notation, and escaped mustaches (#2184)
JSON: support for comments in JSON (#2016)
fix(cpp): improve string literal matching
fix(highlight.js): omit empty span-tags in the output (#2182)
fix(Go): improve function declaration matching
fix(python): added support for f-string literal curly braces (#2195)
fix(cpp): add future built-in (#1610)
fix(python): support comments within function parameters (#2214)

Version 9.15.10

New languages: none. New styles: none. Improvements:

support for ruby's squiggly heredoc (#2049)
support css custom properties (#2082)
fix(PureBASIC): update to 5.60 (#1508)
fix(Kotlin): parenthesized types in function declaration (#2107)
fix(Kotlin): nested comment (#2104)
fix(isbl): contains key typo (#2103)
fix(github-gist.css): match Github styles (#2100)
fix(elm): update to latest elm syntax (#2088)
fix: Support highlighting inline HTML and CSS tagged template strings in JS and TS (#2105)
feat(YAML): add YAML to common languages (#1952)
feat(xml): Add support for Windows Script File (.wsf), inline VBScript in XML script tags (#1690)

Version 9.15.9

Improvements:

fix(AutoHotkey): order and extended highlighting (#1579)
fix(Go): correctly highlight hex numbers, rather than stopping at last 'd' or 'f'. (#2060)
fix(Mathematica): Improvements to language (#2065)
fix(Node): Adds SCSS build (#2079)
fix(Rust): update keywords (#2052)
fix(Stata): Added keywords for the meta-analysis suite introduced in Stata 16 (#2081)
fix(Bash): escape double quotes (#2048)

Version 9.15.8

New languages: none. New styles: none. Improvements:

fix(bash): revert escaped double quotes - broke Firefox/Safari.

Version 9.15.7

New languages: none. New styles: none. Improvements:

fix(powershell): Add cmdlets (#2022)
fix(Bash): escaped double quotes (#2041)
fix(c++): add aliases 'hh', 'hxx', 'cxx' (#2017)
fix(ini/toml): Support comments on the same line. (#2039)
fix(JSX): not rendering well in a function without parentheses. (#2024)
fix(LiveCode): language definition update (#2021)
fix(markdown): indented lists (#2004)
fix(styles/school-book): don't style all the pre, use .hljs instead (#2034)
fix(JSX): Modify JSX tag detection to use XML language regex in place of simplistic \w+

Version 9.15.6

New languages: none. New styles: none. Improvements:

Move dependencies to be devDependencies.
Fixed security issues in dev dependencies.

Version 9.15.5

New languages: none. New styles: none. Improvements: 🔥 Hot fix: updated build tool.

Version 9.15.4

New languages: none. New styles: none. Improvements: 🔥 Hot fix: reverted hljs cli build tool, as it was causing issues with install.

Version 9.15.3

New languages: none. New styles: none. Improvements: 🔥 Hot fix: reverted hljs cli build tool, as it was causing issues with install.

Version 9.15.2

New languages: none. New styles: none. Improvements: 🔥 Hot fix that was preventing highlight.js from installing.

Version 9.15.1

New languages: none.

New styles: none.

Improvements:

Pony: Fixed keywords without spaces at line ends, highlighting of iso in class definitions, and function heads without bodies in traits and interfaces. Removed FUNCTION and CLASS modes until they are found to be needed and to provide some of the fixes.
Support external language files in minified version of highlight.js (#1888)

Version 9.15

New languages: none.

New styles: none.

Improvements:

new cli tool hljs - allows easier building from command line.
cpp: Fully support C++11 raw strings. (#1897)
Python: Treat False None and True as literals (#1920)

Version 9.14.2

New languages: none. New styles: none. Improvements:

Gauss fixed to stop global namespace pollution Scott Hyndman.
fix(Tcl): removed apostrophe string delimiters (don't exist)

Version 9.14.1

New languages: none. New styles: none. Improvements:

Pony: language improvements (#1958)

Version 9.14.0

New languages: none. New styles: none. Improvements:

Pony: add missing "object" highlighting (#1932)
Added XQuery built-in functions, prolog declarations, as well as parsing of function bodies, computed and direct constructors, by Duncan Paterson
fix(dart): Corrects highlighting with string interpolation. (#1946)
fix(swift): be eager on optional-using types (!/?) (#1919)
fix(tex): Changed cyrillic to unicode (IE11 throw SCRIPT5021) (#1601)
fix(JavaScript): Recognize get/set accessor keywords (#1940)
Fixed Dockerfile definition when using highlight continuation parameter, by Laurent Voullemier
Added tests & new annotation and verbatim keywords to Crystal, by Benoit de Chezelles
Added missing dockerfile markup tests, by Laurent Voullemier Allow empty prompt text in clojure-repl, by Egor Rogov
Fixed several issues with Crystal language definition, by Johannes Müller
Added C# as an alias for CSharp language, by Ahmed Atito
Added generic user-defined proc support, new compiler define, refactor to re-use rules, and add tests to GAUSS, by Matthew Evans
Improve Crystal language to highlight regexes after some keywords, by Tsuyusato Kitsune
Fix filterByQualifiers: fileInfo can be null
Fixed String interpolation in Dart, by Scott Hyndman.

Version 9.13.1

Improvements:

C# function declarations no longer include trailing whitespace, by JeremyTCD
Added new and missing keywords to AngelScript, by Melissa Geels
TypeScript decorator factories highlighting fix, by Antoine Boisier-Michaud
Added support for multiline strings to Swift, by Alejandro Isaza
Fixed issue that was causing some minifiers to fail.
Fixed autoDetection to accept language aliases.

Version 9.13.0

New languages:

ArcGIS Arcade by John Foster
AngelScript by Melissa Geels
GML by meseta
isbl built-in language DIRECTUM and Conterra by Dmitriy Tarasov.
PostgreSQL SQL dialect and PL/pgSQL language by Egor Rogov.
ReasonML by Gidi Meir Morris
SAS by Mauricio Caceres Bravo
Plaintext by Egor Rogov
.properties by bostko and Egor Rogov

New styles:

a11y-dark theme by Eric Bailey
a11y-light theme by Eric Bailey
An Old Hope by Gustavo Costa
Atom One Dark Reasonable by Gidi Meir Morris
isbl editor dark by Dmitriy Tarasov
isbl editor light by Dmitriy Tarasov
Lightfair by Tristian Kelly
Nord by Arctic Ice Studio
🦄 Shades of Purple by Ahmad Awais

Improvements:

New attribute endSameAsBegin for nested constructs with variable names by Egor Rogov.
Python highlighting of escaped quotes fixed by Harmon
PHP: Added alias for php7, by Vijaya Chandran Mani
C++ string handling, by David Benjamin
Swift Add @objcMembers to @attributes, by Berk Çebi
Infrastructural changes by Marcos Cáceres
Fixed metachars highighting for NSIS by Jan T. Sott
Yaml highlight local tags as types by Léo Lam
Improved highlighting for Elixir by Piotr Kaminski
New attribute disableAutodetect for preventing autodetection by Egor Rogov
Matlab: transpose operators and double quote strings, by JohnC32 and Egor Rogov
Various documentation typos and improvemets by Jimmy Wärting, Lutz Büch, bcleland
Cmake updated with new keywords and commands by Deniz Bahadir

Version 9.12.0

New language:

MikroTik RouterOS Scripting language by Ivan Dementev.

New style:

VisualStudio 2015 Dark by Nicolas LLOBERA

Improvements:

Crystal updated with new keywords and syntaxes by Tsuyusato Kitsune.
Julia updated to the modern definitions by Alex Arslan.
julia-repl added by Morten Piibeleht.
Stanislav Belov wrote a new definition for 1C, replacing the one that has not been updated for more than 8 years. The new version supports syntax for versions 7.7 and 8.
Nicolas LLOBERA improved C# definition fixing edge cases with function titles detection and added highlighting of [Attributes].
nnnik provided a few correctness fixes for Autohotkey.
Martin Clausen made annotation collections in Clojure to look consistently with other kinds.
Alejandro Alonso updated Swift keywords.

Version 9.11.0

New languages:

Shell by Tsuyusato Kitsune
jboss-cli by Raphaël Parrëe

Improvements:

[Joël Porquet] has greatly improved the definition of makefile.
C++ class titles are now highlighted as in other languages with classes.
Jordi Petit added rarely used or, and and not keywords to C++.
Pieter Vantorre fixed highlighting of negative floating point values.

Version 9.10.0

Apologies for missing the previous release cycle. Some thing just can't be automated… Anyway, we're back!

New languages:

Hy by Sergey Sobko
Leaf by Hale Chan
N1QL by Andres Täht and Rene Saarsoo

Improvements:

Rust got updated with new keywords by Kasper Andersen and then significantly modernized even more by Eduard-Mihai Burtescu (yes, @eddyb, Rust core team member!)
Python updated with f-literals by Philipp A.
YAML updated with unquoted strings support.
Gauss updated with new keywords by Matt Evans.
Lua updated with new keywords by Joe Blow.
Kotlin updated with new keywords by Philipp Hauer.
TypeScript got highlighting of function params and updated keywords by Ike Ku.
Scheme now correctly handles `-quoted lists thanks to Guannan Wei.
Sam Wu fixed handling of << in C++ defines.

Version 9.9.0

New languages

LLVM by Michael Rodler

Improvements:

TypeScript updated with annotations and param lists inside constructors, by Raphael Parree.
CoffeeScript updated with new keywords and fixed to recognize JavaScript in ```, thanks to thanks to Geoffrey Booth.
Compiler directives in Delphi are now correctly highlighted as "meta".

Version 9.8.0 "New York"

This version is the second one that deserved a name. Because I'm in New York, and the release isn't missing the deadline only because it's still Tuesday on West Coast.

New languages:

Clean by Camil Staps
Flix by Magnus Madsen

Improvements:

Kenton Hamaluik did a comprehensive update for Haxe.
New commands for PowerShell from Nicolas Le Gall.
Jan T. Sott updated NSIS.
Java and Swift support unicode characters in identifiers thanks to Alexander Lichter.

Version 9.7.0

A comprehensive bugfix release. This is one of the best things about highlight.js: even boring things keep getting better (even if slow).

VHDL updated with PSL keywords and uses more consistent styling.
Nested C-style comments no longer break highlighting in many languages.
JavaScript updated with => functions, highlighted object attributes and parsing within template string substitution blocks (${...}).
Fixed another corner case with self-closing <tag/> in JSX.
Added HEALTHCHECK directive in Docker.
Delphi updated with new Free Pascal keywords.
Fixed digit separator parsing in C++.
C# updated with new keywords and fixed to allow multiple identifiers within generics <...>.
Fixed another slow regex in Less.

Version 9.6.0

New languages:

ABNF and EBNF by Alex McKibben
Awk by Matthew Daly
SubUnit by Sergey Bronnikov

New styles:

Atom One in both Dark and Light variants by Daniel Gamage

Plus, a few smaller updates for Lasso, Elixir, C++ and SQL.

Version 9.5.0

New languages:

Excel by Victor Zhou
Linden Scripting Language by Builder's Brewery
TAP (Test Anything Protocol) by Sergey Bronnikov
Pony by Joe Eli McIlvain
Coq by Stephan Boyer
dsconfig and LDIF by Jacob Childress

New styles:

Ocean Dark by Gavin Siu

Notable changes:

Minh Nguyễn added more built-ins to Objective C.
Jeremy Hull fixed corner cases in C++ preprocessor directives and Diff comments.
Victor Zhou added support for digit separators in C++ numbers.

Version 9.4.0

New languages:

PureBASIC by Tristano Ajmone
BNF by Oleg Efimov
Ada by Lars Schulna

New styles:

PureBASIC by Tristano Ajmone

Improvements to existing languages and styles:

We now highlight function declarations in Go.
Taisuke Fujimoto contributed very convoluted rules for raw and interpolated strings in C#.
Boone Severson updated Verilog to comply with IEEE 1800-2012 SystemVerilog.
Victor Zhou improved rules for comments and strings in PowerShell files.
Janis Voigtländer updated the definition of Elm to version 0.17 of the languages. Elm is now featured on the front page of https://highlightjs.org.
Special variable $this is highlighted as a keyword in PHP.
usize and isize are now highlighted in Rust.
Fixed labels and directives in x86 assembler.

Version 9.3.0

New languages:

Tagger Script by Philipp Wolfer
MoonScript by Billy Quith

New styles:

xt256 by Herbert Shin

Improvements to existing languages and styles:

More robust handling of unquoted HTML tag attributes
Relevance tuning for QML which was unnecessary eager at seizing other languages' code
Improve GAMS language parsing
Fixed a bunch of bugs around selectors in Less
Kotlin's got a new definition for annotations, updated keywords and other minor improvements
Added move to Rust keywords
Markdown now recognizes ```-fenced code blocks
Improved detection of function declarations in C++ and C#

Version 9.2.0

New languages:

QML by John Foster
HTMLBars by Michael Johnston
CSP by Taras
Maxima by Robert Dodier

New styles:

Gruvbox by Qeole
Dracula by Denis Ciccale

Improvements to existing languages and styles:

We now correctly handle JSX with arbitrary node tree depth.
Argument list for (lambda) in Scheme is no longer highlighted as a function call.
Stylus syntax doesn't break on valid CSS.
More correct handling of comments and strings and other improvements for VimScript.
More subtle work on the default style.
We now use anonymous modules for AMD.
macro_rules! is now recognized as a built-in in Rust.

Version 9.1.0

New languages:

Stan by Brendan Rocks
BASIC by Raphaël Assénat
GAUSS by Matt Evans
DTS by Martin Braun
Arduino by Stefania Mellai

New Styles:

Arduino Light by Stefania Mellai

Improvements to existing languages and styles:

Handle return type annotations in Python
Allow shebang headers in Javascript
Support strings in Rust meta
Recognize struct as a class-level definition in Rust
Recognize b-prefixed chars and strings in Rust
Better numbers handling in Verilog

Version 9.0.0

The new major version brings a reworked styling system. Highlight.js now defines a limited set of highlightable classes giving a consistent result across all the styles and languages. You can read a more detailed explanation and background in the tracking issue that started this long process back in May.

This change is backwards incompatible for those who uses highlight.js with a custom stylesheet. The new style guide explains how to write styles in this new world.

Bundled themes have also suffered a significant amount of improvements and may look different in places, but all the things now consistent and make more sense. Among others, the Default style has got a refresh and will probably be tweaked some more in next releases. Please do give your feedback in our issue tracker.

New languages in this release:

Caché Object Script by Nikita Savchenko
YAML by Stefan Wienert
MIPS Assembler by Nebuleon Fumika
HSP by prince

Improvements to existing languages and styles:

ECMAScript 6 modules import now do not require closing semicolon.
ECMAScript 6 classes constructors now highlighted.
Template string support for Typescript, as for ECMAScript 6.
Scala case classes params highlight fixed.
Built-in names introduced in Julia v0.4 added by Kenta Sato.
Refreshed Default style.

Other notable changes:

Web workers support added bu Jan Kühle.
We now have tests for compressed browser builds as well.
The building tool chain has been switched to node.js 4.x. and is now shamelessly uses ES6 features all over the place, courtesy of Jeremy Hull.
License added to non-compressed browser build.

Version 8.9.1

Some last-minute changes reverted due to strange bug with minified browser build:

Scala case classes params highlight fixed
ECMAScript 6 modules import now do not require closing semicolon
ECMAScript 6 classes constructors now highlighted
Template string support for Typescript, as for ECMAScript 6
License added to not minified browser build

Version 8.9.0

New languages:

crmsh by Kristoffer Gronlund
SQF by Soren Enevoldsen

Notable fixes and improvements to existing languages:

Added abstract and namespace keywords to TypeScript by Daniel Rosenwasser
Added label support to Dockerfile by Ladislav Prskavec
Crystal highlighting improved by Tsuyusato Kitsune
Missing Swift keywords added by Nate Cook
Improve detection of C block comments
~~Scala case classes params highlight fixed~~
~~ECMAScript 6 modules import now do not require closing semicolon~~
~~ECMAScript 6 classes constructors now highlighted~~
~~Template string support for Typescript, as for ECMAScript 6~~

Other notable changes:

~~License added to not minified browser build~~

Version 8.8.0

New languages:

Golo by Philippe Charrière
GAMS by Stefan Bechert
IRPF90 by Anthony Scemama
Access logs by Oleg Efimov
Crystal by Tsuyusato Kitsune

Notable fixes and improvements to existing languages:

JavaScript highlighting no longer fails with ES6 default parameters
Added keywords async and await to Python
PHP heredoc support improved
Allow preprocessor directives within C++ functions

Other notable changes:

Change versions to X.Y.Z SemVer-compatible format
Added ability to build all targets at once

Version 8.7

New languages:

Zephir by Oleg Efimov
Elm by Janis Voigtländer
XQuery by Dirk Kirsten
Mojolicious by Dotan Dimet
AutoIt by Manh Tuan from J2TeaM
Toml (ini extension) by Guillaume Gomez

New styles:

Hopscotch by Jan T. Sott
Grayscale by MY Sun

Notable fixes and improvements to existing languages:

Fix encoding of images when copied over in certain builds
Fix incorrect highlighting of the word "bug" in comments
Treat decorators different from matrix multiplication in Python
Fix traits inheritance highlighting in Rust
Fix incorrect document
Oracle keywords added to SQL language definition by Vadimtro
Postgres keywords added to SQL language definition by Benjamin Auder
Fix registers in x86asm being highlighted as a hex number
Fix highlighting for numbers with a leading decimal point
Correctly highlight numbers and strings inside of C/C++ macros
C/C++ functions now support pointer, reference, and move returns

Version 8.6

New languages:

C/AL by Kenneth Fuglsang
DNS zone file by Tim Schumacher
Ceylon by Lucas Werkmeister
OpenSCAD by Dan Panzarella
Inform7 by Bruno Dias
armasm by Dan Panzarella
TP by Jay Strybis

New styles:

Atelier Cave, Atelier Estuary, Atelier Plateau and Atelier Savanna by Bram de Haan
Github Gist by Louis Barranqueiro

Notable fixes and improvements to existing languages:

Multi-line raw strings from C++11 are now supported
Fix class names with dashes in HAML
The async keyword from ES6/7 is now supported
TypeScript functions handle type and parameter complexity better
We unified phpdoc/javadoc/yardoc etc modes across all languages
CSS .class selectors relevance was dropped to prevent wrong language detection
Images is now included to CDN build
Release process is now automated

Version 8.5

New languages:

pf.conf by Peter Piwowarski
Julia by Kenta Sato
Prolog by Raivo Laanemets
Docker by Alexis Hénaut
Fortran by Anthony Scemama and Thomas Applencourt
Kotlin by Sergey Mashkov

New styles:

Agate by Taufik Nurrohman
Darcula by [JetBrains][]
Atelier Sulphurpool by Bram de Haan
Android Studio by Pedro Oliveira

Notable fixes and improvements to existing languages:

ES6 features in JavaScript are better supported now by Gu Yiling.
Swift now recognizes body-less method definitions.
Single expression functions def foo, do: ... now work in Elixir.
More uniform detection of built-in classes in Objective C.
Fixes for number literals and processor directives in Rust.
HTML <script> tag now allows any language, not just JavaScript.
Multi-line comments are supported now in MatLab.

Version 8.4

We've got the new demo page! The obvious new feature is the new look, but apart from that it's got smarter: by presenting languages in groups it avoids running 10000 highlighting attempts after first load which was slowing it down and giving bad overall impression. It is now also being generated from test code snippets so the authors of new languages don't have to update both tests and the demo page with the same thing.

Other notable changes:

The template_comment class is gone in favor of the more general comment.
Number parsing unified and improved across languages.
C++, Java and C# now use unified grammar to highlight titles in function/method definitions.
The browser build is now usable as an AMD module, there's no separate build target for that anymore.
OCaml has got a comprehensive overhaul by Mickaël Delahaye.
Clojure's data structures and literals are now highlighted outside of lists and we can now highlight Clojure's REPL sessions.

New languages:

AspectJ by Hakan Özler
STEP Part 21 by Adam Joseph Cook
SML derived by Edwin Dalorzo from OCaml definition
Mercury by mucaho
Smali by Dennis Titze
Verilog by Jon Evans
Stata by Brian Quistorff

Version 8.3

We streamlined our tool chain, it is now based entirely on node.js instead of being a mix of node.js, Python and Java. The build script options and arguments remained the same, and we've noted all the changes in the documentation. Apart from reducing complexity, the new build script is also faster from not having to start Java machine repeatedly. The credits for the work go to Jeremy Hull.

Some notable fixes:

PHP and JavaScript mixed in HTML now live happily with each other.
JavaScript regexes now understand ES6 flags "u" and "y".
throw keyword is no longer detected as a method name in Java.
Fixed parsing of numbers and symbols in Clojure thanks to input from Ivan Kleshnin.

New languages in this release:

Less by Max Mikhailov
Stylus by Bryant Williams
Tcl by Radek Liska
Puppet by Jose Molina Colmenero
Processing by Erik Paluka
Twig templates by Luke Holder
PowerShell by David Mohundro, based on the work of Nicholas Blumhardt
XL by Christophe de Dinechin
LiveScript by Taneli Vatanen and Jen Evers-Corvina
ERB (Ruby in HTML) by Lucas Mazza
Roboconf by Vincent Zurczak

Version 8.2

We've finally got real tests and continuous testing on Travis thanks to Jeremy Hull and Chris Eidhof. The tests designed to cover everything: language detection, correct parsing of individual language features and various special cases. This is a very important change that gives us confidence in extending language definitions and refactoring library core.

We're going to redesign the old demo/test suite into an interactive demo web app. If you're confident front-end developer or designer and want to help us with it, drop a comment into the issue on GitHub.

As usually there's a handful of new languages in this release:

Groovy by Guillaume Laforge
Dart by Maxim Dikun
Dust by Michael Allen
Scheme by JP Verkamp
G-Code by Adam Joseph Cook
Q from Kx Systems by Sergey Vidyuk

Other improvements:

Erik Osheim heavily reworked Scala definitions making it richer.
Lucas Mazza fixed Ruby hashes highlighting
Lisp variants (Lisp, Clojure and Scheme) are unified in regard to naming the first symbol in parentheses: it's "keyword" in general case and also "built_in" for built-in functions in Clojure and Scheme.

Version 8.1

New languages:

Gherkin by Sam Pikesley
Elixir by Josh Adams
NSIS by Jan T. Sott
VIM script by Jun Yang
Protocol Buffers by Dan Tao
Nix by Domen Kožar
x86asm by innocenat
Cap'n Proto and Thrift by Oleg Efimov
Monkey by Arthur Bikmullin
TypeScript by Panu Horsmalahti
Nimrod by Flaviu Tamas
Gradle by Damian Mee
Haxe by Christopher Kaster
Swift by Chris Eidhof and Nate Cook

New styles:

Kimbie, light and dark variants by Jan T. Sott
Color brewer by Fabrício Tavares de Oliveira
Codepen.io embed by Justin Perry
Hybrid by Nic West

Other improvements:

The README is heavily reworked and brought up to date by Jeremy Hull.
Added listLanguages() method in the API.
Improved C/C++/C# detection.
Added a bunch of new language aliases, documented the existing ones. Thanks to Sindre Sorhus for background research.
Added phrasal English words to boost relevance in comments.
Many improvements to SQL definition made by Heiko August, Nikolay Lisienko and Travis Odom.
The shorter lang- prefix for language names in HTML classes supported alongside language-. Thanks to Jeff Escalante.
Ruby's got support for interactive console sessions. Thanks to Pascal Hurni.
Added built-in functions for R language. Thanks to Artem A. Klevtsov.
Rust's got definition for lifetime parameters and improved string syntax. Thanks to Roman Shmatov.
Various improvements to Objective-C definition by Matt Diephouse.
Fixed highlighting of generics in Java.

Version 8.0

This new major release is quite a big overhaul bringing both new features and some backwards incompatible changes. However, chances are that the majority of users won't be affected by the latter: the basic scenario described in the README is left intact.

Here's what did change in an incompatible way:

We're now prefixing all classes located in CSS classes reference with hljs-, by default, because some class names would collide with other people's stylesheets. If you were using an older version, you might still want the previous behavior, but still want to upgrade. To suppress this new behavior, you would initialize like so:
```
<script type="text/javascript">
  hljs.configure({classPrefix: ''});
  hljs.initHighlightingOnLoad();
</script>
```
tabReplace and useBR that were used in different places are also unified into the global options object and are to be set using configure(options). This function is documented in our API docs. Also note that these parameters are gone from highlightBlock and fixMarkup which are now also rely on configure.
We removed public-facing (though undocumented) object hljs.LANGUAGES which was used to register languages with the library in favor of two new methods: registerLanguage and getLanguage. Both are documented in our API docs.
Result returned from highlight and highlightAuto no longer contains two separate attributes contributing to relevance score, relevance and keyword_count. They are now unified in relevance.

Another technically compatible change that nonetheless might need attention:

The structure of the NPM package was refactored, so if you had installed it locally, you'll have to update your paths. The usual require('highlight.js') works as before. This is contributed by Dmitry Smolin.

New features:

Languages now can be recognized by multiple names like "js" for JavaScript or "html" for, well, HTML (which earlier insisted on calling it "xml"). These aliases can be specified in the class attribute of the code container in your HTML as well as in various API calls. For now there are only a few very common aliases but we'll expand it in the future. All of them are listed in the class reference.
Language detection can now be restricted to a subset of languages relevant in a given context — a web page or even a single highlighting call. This is especially useful for node.js build that includes all the known languages. Another example is a StackOverflow-style site where users specify languages as tags rather than in the markdown-formatted code snippets. This is documented in the API reference (see methods highlightAuto and configure).
Language definition syntax streamlined with variants and beginKeywords.

New languages and styles:

Oxygene by Carlo Kok
Mathematica by Daniel Kvasnička
Autohotkey by Seongwon Lee
Atelier family of styles in 10 variants by Bram de Haan
Paraíso styles by Jan T. Sott

Miscellaneous improvements:

Highlighting => prompts in Clojure.
Jeremy Hull fixed a lot of styles for consistency.
Finally, highlighting PHP and HTML mixed in peculiar ways.
Objective C and C# now properly highlight titles in method definition.
Big overhaul of relevance counting for a number of languages. Please do report bugs about mis-detection of non-trivial code snippets!

Version 7.5

A catch-up release dealing with some of the accumulated contributions. This one is probably will be the last before the 8.0 which will be slightly backwards incompatible regarding some advanced use-cases.

One outstanding change in this version is the addition of 6 languages to the hosted script: Markdown, ObjectiveC, CoffeeScript, Apache, Nginx and Makefile. It now weighs about 6K more but we're going to keep it under 30K.

New languages:

OCaml by Mehdi Dogguy and Nicolas Braud-Santoni
LiveCode Server by Ralf Bitter
Scilab by Sylvestre Ledru
basic support for Makefile by Ivan Sagalaev

Improvements:

Ruby's got support for characters like ?A, ?1, ?\012 etc. and %r{..} regexps.
Clojure now allows a function call in the beginning of s-expressions (($filter "myCount") (arr 1 2 3 4 5)).
Haskell's got new keywords and now recognizes more things like pragmas, preprocessors, modules, containers, FFIs etc. Thanks to Zena Treep for the implementation and to Jeremy Hull for guiding it.
Miscellaneous fixes in PHP, Brainfuck, SCSS, Asciidoc, CMake, Python and F#.

New core developers

The latest long period of almost complete inactivity in the project coincided with growing interest to it led to a decision that now seems completely obvious: we need more core developers.

So without further ado let me welcome to the core team two long-time contributors: Jeremy Hull and Oleg Efimov.

Hope now we'll be able to work through stuff faster!

P.S. The historical commit is here for the record.

Version 7.4

This long overdue version is a snapshot of the current source tree with all the changes that happened during the past year. Sorry for taking so long!

Along with the changes in code highlight.js has finally got its new home at http://highlightjs.org/, moving from its cradle on Software Maniacs which it outgrew a long time ago. Be sure to report any bugs about the site to mailto:info@highlightjs.org.

On to what's new…

New languages:

Handlebars templates by Robin Ward
Oracle Rules Language by Jason Jacobson
F# by Joans Follesø
AsciiDoc and Haml by Dan Allen
Lasso by Eric Knibbe
SCSS by Kurt Emch
VB.NET by Poren Chiang
Mizar by Kelley van Evert

New style themes:

Monokai Sublime by noformnocontent
Railscasts by Damien White
Obsidian by Alexander Marenin
Docco by Simon Madine
Mono Blue by Ivan Sagalaev (uses a single color hue for everything)
Foundation by Dan Allen

Other notable changes:

Corrected many corner cases in CSS.
Dropped Python 2 version of the build tool.
Implemented building for the AMD format.
Updated Rust keywords (thanks to Dmitry Medvinsky).
Literal regexes can now be used in language definitions.
CoffeeScript highlighting is now significantly more robust and rich due to input from Cédric Néhémie.

Version 7.3

Since this version highlight.js no longer works in IE version 8 and older. It's made it possible to reduce the library size and dramatically improve code readability and made it easier to maintain. Time to go forward!
New languages: AppleScript (by Nathan Grigg and Dr. Drang) and Brainfuck (by Evgeny Stepanischev).
Improvements to existing languages:
- interpreter prompt in Python (>>> and ...)
- @-properties and classes in CoffeeScript
- E4X in JavaScript (by Oleg Efimov)
- new keywords in Perl (by Kirk Kimmel)
- big Ruby syntax update (by Vasily Polovnyov)
- small fixes in Bash
Also Oleg Efimov did a great job of moving all the docs for language and style developers and contributors from the old wiki under the source code in the "docs" directory. Now these docs are nicely presented at http://highlightjs.readthedocs.org/.

Version 7.2

A regular bug-fix release without any significant new features. Enjoy!

Version 7.1

A Summer crop:

Marc Fornos made the definition for Clojure along with the matching style Rainbow (which, of course, works for other languages too).
CoffeeScript support continues to improve getting support for regular expressions.
Yoshihide Jimbo ported to highlight.js five Tomorrow styles from the project by Chris Kempson.
Thanks to Casey Duncun the library can now be built in the popular AMD format.
And last but not least, we've got a fair number of correctness and consistency fixes, including a pretty significant refactoring of Ruby.

Version 7.0

The reason for the new major version update is a global change of keyword syntax which resulted in the library getting smaller once again. For example, the hosted build is 2K less than at the previous version while supporting two new languages.

Notable changes:

The library now works not only in a browser but also with node.js. It is installable with npm install highlight.js. API docs are available on our wiki.
The new unique feature (apparently) among syntax highlighters is highlighting HTTP headers and an arbitrary language in the request body. The most useful languages here are XML and JSON both of which highlight.js does support. Here's the detailed post about the feature.
Two new style themes: a dark "south" Pojoaque by Jason Tate and an emulation ofXCode IDE by Angel Olloqui.
Three new languages: D by Aleksandar Ružičić, R by Joe Cheng and GLSL by Sergey Tikhomirov.
Nginx syntax has become a million times smaller and more universal thanks to remaking it in a more generic manner that doesn't require listing all the directives in the known universe.
Function titles are now highlighted in PHP.
Haskell and VHDL were significantly reworked to be more rich and correct by their respective maintainers Jeremy Hull and Igor Kalnitsky.

And last but not least, many bugs have been fixed around correctness and language detection.

Overall highlight.js currently supports 51 languages and 20 style themes.

Version 6.2

A lot of things happened in highlight.js since the last version! We've got nine new contributors, the discussion group came alive, and the main branch on GitHub now counts more than 350 followers. Here are most significant results coming from all this activity:

5 (five!) new languages: Rust, ActionScript, CoffeeScript, MatLab and experimental support for markdown. Thanks go to Andrey Vlasovskikh, Alexander Myadzel, Dmytrii Nagirniak, Oleg Efimov, Denis Bardadym and John Crepezzi.
2 new style themes: Monokai by Luigi Maselli and stylistic imitation of another well-known highlighter Google Code Prettify by Aahan Krish.
A vast number of correctness fixes and code refactorings, mostly made by Oleg Efimov and Evgeny Stepanischev.

Version 6.1 — Solarized

Jeremy Hull has implemented my dream feature — a port of Solarized style theme famous for being based on the intricate color theory to achieve correct contrast and color perception. It is now available for highlight.js in both variants — light and dark.

This version also adds a new original style Arta. Its author pumbur maintains a heavily modified fork of highlight.js on GitHub.

Version 6.0

New major version of the highlighter has been built on a significantly refactored syntax. Due to this it's even smaller than the previous one while supporting more languages!

New languages are:

Haskell by Jeremy Hull
Erlang in two varieties — module and REPL — made collectively by Nikolay Zakharov, Dmitry Kovega and Sergey Ignatov
Objective C by Valerii Hiora
Vala by Antono Vasiljev
Go by Stephan Kountso

Also this version is marginally faster and fixes a number of small long-standing bugs.

Developer overview of the new language syntax is available in a blog post about recent beta release.

P.S. New version is not yet available on a Yandex CDN, so for now you have to download your own copy.

Version 5.14

Fixed bugs in HTML/XML detection and relevance introduced in previous refactoring.

Also test.html now shows the second best result of language detection by relevance.

Version 5.13

Past weekend began with a couple of simple additions for existing languages but ended up in a big code refactoring bringing along nice improvements for language developers.

For users

Description of C++ has got new keywords from the upcoming C++ 0x standard.
Description of HTML has got new tags from HTML 5.
CSS-styles have been unified to use consistent padding and also have lost pop-outs with names of detected languages.
Igor Kalnitsky has sent two new language descriptions: CMake & VHDL.

This makes total number of languages supported by highlight.js to reach 35.

Bug fixes:

Custom classes on <pre> tags are not being overridden anymore
More correct highlighting of code blocks inside non-<pre> containers: highlighter now doesn't insist on replacing them with its own container and just replaces the contents.
Small fixes in browser compatibility and heuristics.

For developers

The most significant change is the ability to include language submodes right under contains instead of defining explicit named submodes in the main array:

contains: [
  'string',
  'number',
  {begin: '\\n', end: hljs.IMMEDIATE_RE}
]

This is useful for auxiliary modes needed only in one place to define parsing. Note that such modes often don't have className and hence won't generate a separate <span> in the resulting markup. This is similar in effect to noMarkup: true. All existing languages have been refactored accordingly.

Test file test.html has at last become a real test. Now it not only puts the detected language name under the code snippet but also tests if it matches the expected one. Test summary is displayed right above all language snippets.

CDN

Fine people at Yandex agreed to host highlight.js on their big fast servers. Link up!

Version 5.10 — "Paris".

Though I'm on a vacation in Paris, I decided to release a new version with a couple of small fixes:

Tomas Vitvar discovered that TAB replacement doesn't always work when used with custom markup in code
SQL parsing is even more rigid now and doesn't step over SmallTalk in tests

Version 5.9

A long-awaited version is finally released.

New languages:

Andrew Fedorov made a definition for Lua
a long-time highlight.js contributor Peter Leonov made a definition for Nginx config
Vladimir Moskva made a definition for TeX

Fixes for existing languages:

Loren Segal reworked the Ruby definition and added highlighting for YARD inline documentation
the definition of SQL has become more solid and now it shouldn't be overly greedy when it comes to language detection

The highlighter has become more usable as a library allowing to do highlighting from initialization code of JS frameworks and in ajax methods (see. readme.eng.txt).

Also this version drops support for the WordPress plugin. Everyone is welcome to pick up its maintenance if needed.

Version 5.8

Jan Berkel has contributed a definition for Scala. +1 to hotness!
All CSS-styles are rewritten to work only inside <pre> tags to avoid conflicts with host site styles.

Version 5.7.

Fixed escaping of quotes in VBScript strings.

Version 5.5

This version brings a small change: now .ini-files allow digits, underscores and square brackets in key names.

Version 5.4

Fixed small but upsetting bug in the packer which caused incorrect highlighting of explicitly specified languages. Thanks to Andrew Fedorov for precise diagnostics!

Version 5.3

The version to fulfil old promises.

The most significant change is that highlight.js now preserves custom user markup in code along with its own highlighting markup. This means that now it's possible to use, say, links in code. Thanks to Vladimir Dolzhenko for the initial proposal and for making a proof-of-concept patch.

Also in this version:

Vasily Polovnyov has sent a GitHub-like style and has implemented support for CSS @-rules and Ruby symbols.
Yura Zaripov has sent two styles: Brown Paper and School Book.
Oleg Volchkov has sent a definition for Parser 3.

Version 5.2

at last it's possible to replace indentation TABs with something sensible (e.g. 2 or 4 spaces)
new keywords and built-ins for 1C by Sergey Baranov
a couple of small fixes to Apache highlighting

Version 5.1

This is one of those nice version consisting entirely of new and shiny contributions!

Vladimir Ermakov created highlighting for AVR Assembler
Ruslan Keba created highlighting for Apache config file. Also his original visual style for it is now available for all highlight.js languages under the name "Magula".
Shuen-Huei Guan (aka Drake) sent new keywords for RenderMan languages. Also thanks go to Konstantin Evdokimenko for his advice on the matter.

Version 5.0

The main change in the new major version of highlight.js is a mechanism for packing several languages along with the library itself into a single compressed file. Now sites using several languages will load considerably faster because the library won't dynamically include additional files while loading.

Also this version fixes a long-standing bug with Javascript highlighting that couldn't distinguish between regular expressions and division operations.

And as usually there were a couple of minor correctness fixes.

Great thanks to all contributors! Keep using highlight.js.

Version 4.3

This version comes with two contributions from Jason Diamond:

language definition for C# (yes! it was a long-missed thing!)
Visual Studio-like highlighting style

Plus there are a couple of minor bug fixes for parsing HTML and XML attributes.

Version 4.2

The biggest news is highlighting for Lisp, courtesy of Vasily Polovnyov. It's somewhat experimental meaning that for highlighting "keywords" it doesn't use any pre-defined set of a Lisp dialect. Instead it tries to highlight first word in parentheses wherever it makes sense. I'd like to ask people programming in Lisp to confirm if it's a good idea and send feedback to the forum.

Other changes:

Smalltalk was excluded from DEFAULT_LANGUAGES to save traffic
Vladimir Epifanov has implemented javascript style switcher for test.html
comments now allowed inside Ruby function definition
MEL language from Shuen-Huei Guan
whitespace now allowed between <pre> and <code>
better auto-detection of C++ and PHP
HTML allows embedded VBScript (<% .. %>)

Version 4.1

Languages:

Bash from Vah
DOS bat-files from Alexander Makarov (Sam)
Diff files from Vasily Polovnyov
Ini files from myself though initial idea was from Sam

Styles:

Zenburn from Vladimir Epifanov, this is an imitation of a well-known theme for Vim.
Ascetic from myself, as a realization of ideals of non-flashy highlighting: just one color in only three gradations :-)

In other news. One small bug was fixed, built-in keywords were added for Python and C++ which improved auto-detection for the latter (it was shame that my wife's blog had issues with it from time to time). And lastly thanks go to Sam for getting rid of my stylistic comments in code that were getting in the way of JSMin.

Version 4.0

New major version is a result of vast refactoring and of many contributions.

Visible new features:

Highlighting of embedded languages. Currently is implemented highlighting of Javascript and CSS inside HTML.
Bundled 5 ready-made style themes!

Invisible new features:

Highlight.js no longer pollutes global namespace. Only one object and one function for backward compatibility.
Performance is further increased by about 15%.

Changing of a major version number caused by a new format of language definition files. If you use some third-party language files they should be updated.

Version 3.5

A very nice version in my opinion fixing a number of small bugs and slightly increased speed in a couple of corner cases. Thanks to everybody who reports bugs in he forum and by email!

There is also a new language — XML. A custom XML formerly was detected as HTML and didn't highlight custom tags. In this version I tried to make custom XML to be detected and highlighted by its own rules. Which by the way include such things as CDATA sections and processing instructions (<? ... ?>).

Version 3.3

Vladimir Gubarkov has provided an interesting and useful addition. File export.html contains a little program that shows and allows to copy and paste an HTML code generated by the highlighter for any code snippet. This can be useful in situations when one can't use the script itself on a site.

Version 3.2 consists completely of contributions:

Vladimir Gubarkov has described SmallTalk
Yuri Ivanov has described 1C
Peter Leonov has packaged the highlighter as a Firefox extension
Vladimir Ermakov has compiled a mod for phpBB

Many thanks to you all!

Version 3.1

Three new languages are available: Django templates, SQL and Axapta. The latter two are sent by Dmitri Roudakov. However I've almost entirely rewrote an SQL definition but I'd never started it be it from the ground up :-)

The engine itself has got a long awaited feature of grouping keywords ("keyword", "built-in function", "literal"). No more hacks!

Version 3.0

It is major mainly because now highlight.js has grown large and has become modular. Now when you pass it a list of languages to highlight it will dynamically load into a browser only those languages.

Also:

Konstantin Evdokimenko of RibKit project has created a highlighting for RenderMan Shading Language and RenderMan Interface Bytestream. Yay for more languages!
Heuristics for C++ and HTML got better.
I've implemented (at last) a correct handling of backslash escapes in C-like languages.

There is also a small backwards incompatible change in the new version. The function initHighlighting that was used to initialize highlighting instead of initHighlightingOnLoad a long time ago no longer works. If you by chance still use it — replace it with the new one.

Version 2.9

Highlight.js is a parser, not just a couple of regular expressions. That said I'm glad to announce that in the new version 2.9 has support for:

in-string substitutions for Ruby -- #{...}
strings from from numeric symbol codes (like #XX) for Delphi

Version 2.8

A maintenance release with more tuned heuristics. Fully backwards compatible.

Version 2.7

Nikita Ledyaev presents highlighting for VBScript, yay!
A couple of bugs with escaping in strings were fixed thanks to Mickle
Ongoing tuning of heuristics

Fixed bugs were rather unpleasant so I encourage everyone to upgrade!

Version 2.4

Peter Leonov provides another improved highlighting for Perl
Javascript gets a new kind of keywords — "literals". These are the words "true", "false" and "null"

Also highlight.js homepage now lists sites that use the library. Feel free to add your site by dropping me a message until I find the time to build a submit form.

Version 2.3

This version fixes IE breakage in previous version. My apologies to all who have already downloaded that one!

Version 2.2

added highlighting for Javascript
at last fixed parsing of Delphi's escaped apostrophes in strings
in Ruby fixed highlighting of keywords 'def' and 'class', same for 'sub' in Perl

Version 2.0

Ruby support by Anton Kovalyov
speed increased by orders of magnitude due to new way of parsing
this same way allows now correct highlighting of keywords in some tricky places (like keyword "End" at the end of Delphi classes)

Version 1.0

Version 1.0 of javascript syntax highlighter is released!

It's the first version available with English description. Feel free to post your comments and question to highlight.js forum. And don't be afraid if you find there some fancy Cyrillic letters -- it's for Russian users too :-)

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