Version 11.9.0

CAVEATS / POTENTIALLY BREAKING CHANGES

• Drops support for Node 14.x, which is no longer supported by Node.js.
• In the node build styles/*.css files now ship un-minified with minified counterparts as: styles/*.min.css [mvorisek][] (this makes things consistent with our cdn builds)

Parser:

• (enh) prevent re-highlighting of an element [joshgoebel][]
• (chore) Remove discontinued badges from README [Bradley Mackey][]
• (chore) Fix build size report [Bradley Mackey][]

New Grammars:

• added 3rd party Iptables grammar to SUPPORTED_LANGUAGES [Checconio][]
• added 3rd party x86asmatt grammar to SUPPORTED_LANGUAGES [gondow][]
• added 3rd party riscv64 grammar to SUPPORTED_LANGUAGES [aana-h2][]
• added 3rd party Ballerina grammar to SUPPORTED_LANGUAGES [Yasith Deelaka][]

Core Grammars:

• fix(cpp) fixed highlighter break state [Md Saad Akhtar][]
• fix(rust) added negative-lookahead for callable keywords if while for [Omar Hussein][]
• enh(armasm) added x0-x30 and w0-w30 ARMv8 registers [Nicholas Thompson][]
• enh(haxe) added final, is, macro keywords and $ identifiers [Robert Borghese][]
• enh(haxe) support numeric separators and suffixes [Robert Borghese][]
• fix(haxe) fixed metadata arguments and support non-colon syntax [Robert Borghese][]
• fix(haxe) differentiate abstract declaration from keyword [Robert Borghese][]
• fix(bash) do not delimit a string by an escaped apostrophe [hancar][]
• enh(swift) support macro keyword [Bradley Mackey][]
• enh(swift) support parameter pack keywords [Bradley Mackey][]
• enh(swift) regex literal support [Bradley Mackey][]
• enh(swift) @unchecked and @Sendable support [Bradley Mackey][]
• enh(scala) add using directives support //> using foo bar [Jamie Thompson][]
• fix(scala) fixed comments in constructor arguments not being properly highlighted [Isaac Nonato][]
• enh(swift) ownership modifiers support [Bradley Mackey][]
• enh(nsis) Add !assert compiler flag [idleberg][]
• fix(haskell) do not treat double dashes inside infix operators as comments [Zlondrej][]
• enh(rust) added eprintln! macro [qoheniac][]
• enh(leaf) update syntax to 4.0 [Samuel Bishop][]
• fix(reasonml) simplify syntax and align it with ocaml [jchavarri][]
• fix(swift) warn_unqualified_access is an attribute [Bradley Mackey][]
• enh(swift) macro attributes are highlighted as keywords [Bradley Mackey][]
• enh(stan) updated for version 2.33 (#3859) [Brian Ward][]
• enh(llvm) match additional types [wtz][]
• fix(css) added '_' css variable detection [Md Saad Akhtar][]
• enh(groovy) add record and var as keywords [Guillaume Laforge][]

Developer Tool:

• (chore) Update dev tool to use the new highlight API. [Shah Shabbir Ahmmed][]
• (enh) Auto-update the highlighted output when the language dropdown changes. [Shah Shabbir Ahmmed][]

Version 11.8.0

Parser engine:

• added a function to default export to generate a fresh highlighter instance to be used by extensions [WisamMechano][]
• added BETA __emitTokens key to grammars to allow then to direct their own parsing, only using Highlight.js for the HTML rendering [Josh Goebel][]
• (enh) add removePlugin api [faga295][]
• (fix) typo in language name of JavaScript [Cyrus Kao][]

New Grammars:

• added 3rd party Lang grammar to SUPPORTED_LANGUAGES [AdamRaichu][]
• added 3rd party C3 grammar to SUPPORTED_LANGUAGES [aliaegik][]

Core Grammars:

• enh(sql) support _ in variable names [joshgoebel][]
• enh(mathematica) update keywords list to 13.2.1 [arnoudbuzing][]
• enh(protobuf) add proto alias for Protobuf [dimitropoulos][]
• enh(sqf) latest changes in Arma 3 v2.11 [Leopard20][]
• enh(js/ts) Added support for GraphQL tagged template strings [Ali Ukani][]
• enh(javascript) add sessionStorage to list of built-in variables [Jeroen van Vianen][]
• enh(http) Add support for HTTP/3 [Rijenkii][]
• added 3rd party Motoko grammar to SUPPORTED_LANGUAGES [rvanasa][]
• added 3rd party Candid grammar to SUPPORTED_LANGUAGES [rvanasa][]
• fix(haskell) Added support for characters [CrystalSplitter][]
• enh(dart) Add base, interface, sealed, and when keywords [Sam Rawlins][]
• enh(php) detect newer more flexible NOWdoc syntax (#3679) [Timur Kamaev][]
• enh(python) improve autodetection of code with type hinting any function's return type (making the -> operator legal) [Keyacom][]
• enh(bash) add select and until as keywords

Version 11.7.0

New Grammars:

• added 3rd party LookML grammar to SUPPORTED_LANGUAGES [Josh Temple][]
• added 3rd party FunC grammar to SUPPORTED_LANGUAGES [Nikita Sobolev][]
• Added 3rd party Flix grammar to SUPPORTED_LANGUAGES [The Flix Organisation][]
• Added 3rd party RVT grammar to SUPPORTED_LANGUAGES [Sopitive][]

Grammars:

• enh(scheme) add scm alias for Scheme [matyklug18][]
• fix(typescript) patterns like <T = are not JSX [Josh Goebel][]
• fix(bash) recognize the (( keyword [Nick Chambers][]
• enh(Ruby) misc improvements (kws, class names, etc) [Josh Goebel][]
• fix(js) do not flag import() as a function, rather a keyword [nathnolt][]
• fix(bash) recognize the (( keyword [Nick Chambers][]
• fix(nix) support escaped dollar signs in strings [h7x4][]
• enh(cmake) support bracket comments [Hirse][]
• enh(java) add yield keyword to java [MBoegers][]
• enh(java) add permits keyword to java [MBoegers][]
• fix(javascript/typescript) correct identifier matching when using numbers [Lachlan Heywood][]

Improvements:

• Documentation typo fix by [Eddymens][]

Version 11.6.0

Supported Node.js versions:

• (chore) Drops support for Node 12.x, which is no longer supported by Node.js.

Default build changes:

• add wasm to default :common build (#3526) [Josh Goebel][]
• add graphql to default :common build (#3526) [Josh Goebel][]

Grammars:

• fix(json) changed null/booleans from keyword to literal [shikhar13012001][]
• enh(gml) reorganized and added additional keywords [Bluecoreg][]
• enh(csharp) Added support for the new scoped keyword in C# (#3571) [David Pine][]
• enh(scala) add transparent keyword [Matt Bovel][]
• fix(rust) highlight types immediately preceeding :: (#3540) [Josh Goebel][]
• Added 3rd party Apex grammar to SUPPORTED_LANGUAGES (#3546) [David Schach][]
• fix(rust) recognize include_bytes! macro (#3541) [Serial-ATA][]
• fix(java) do not intepret == as a variable declaration [Mousetail][]
• enh(swift) add SE-0335 existential any keyword (#3515) [Bradley Mackey][]
• enh(swift) add support for distributed keyword [Marcus Ortiz][]
• enh(xml) recognize Unicode letters instead of only ASCII letters in XML element and attribute names (#3256)[Martin Honnen][]
• Added 3rd party Toit grammar to SUPPORTED_LANGUAGES [Serzhan Nasredin][]
• Use substring() instead of deprecated substr() [Tobias Buschor][]
• Added 3rd party Oak grammar to SUPPORTED_LANGUAGES [Tim Smith][]
• enh(python) add match and case keywords [Avrumy Lunger][]
• Added 3rd party COBOL grammar to SUPPORTED_LANGUAGES [Gabriel Gonçalves][]

Version 11.5.0

Themes:

• Added Tokyo-Night-dark theme [Henri Vandersleyen][]
• Added Tokyo-Night-light theme [Henri Vandersleyen][]
• Added panda-syntax-dark theme [Annmarie Switzer][]
• Added panda-syntax-light theme [Annmarie Switzer][]

New Grammars:

• Added GraphQL to SUPPORTED_LANGUAGES [John Foster][]
• Added Macaulay2 to SUPPORTED_LANGUAGES [Doug Torrance][]

Grammars:

• enh(ruby) lots of small Ruby cleanups/improvements [Josh Goebel][]
• enh(objectivec) add type and variable.language scopes [Josh Goebel][]
• enh(xml) support processing instructions (#3492) [Josh Goebel][]
• enh(ruby ) better support multi-line IRB prompts
• enh(bash) improved keyword $pattern (numbers allowed in command names) [Martin Mattel][]
• add meta.prompt scope for REPL prompts, etc [Josh Goebel][]
• fix(markdown) Handle ***Hello world*** without breaking [Josh Goebel][]
• enh(php) add support for PHP Attributes [Wojciech Kania][]
• fix(java) prevent false positive variable init on else [Josh Goebel][]
• enh(php) named arguments [Wojciech Kania][]
• fix(php) PHP constants [Wojciech Kania][]
• fix(angelscript) incomplete int8, int16, int32, int64 highlighting [Melissa Geels][]
• enh(ts) modify TypeScript-specific keywords and types list [anydonym][]
• fix(brainfuck) fix highlighting of initial ++/-- [Christina Hanson][]
• fix(llvm) escaping in strings and number formats [Flakebi][]
• enh(elixir) recognize references to modules [Mark Ericksen][]
• enh(css): add support for more properties [Nicolaos Skimas][]

Version 11.4.0

New Language:

• Added 3rd party Pine Script grammar to SUPPORTED_LANGUAGES [Jeylani B][]
• Added 3rd party cURL grammar to SUPPORTED_LANGUAGES highlightjs-curl

Themes:

• Default is now much closer WCAG AA (contrast) (#3402) [Josh Goebel]
• Dark now meets WCAG AA (contrast) (#3402) [Josh Goebel]
• Added intellij-light theme [Pegasis]
• Added felipec theme [Felipe Contreras]

These changes should be for the better and should not be super noticeable but if you're super picky about your colors you may want to intervene here or copy over the older themes from 11.3 or prior.

Grammars:

• enh(twig) update keywords list for symfony (#3453) [Matthieu Lempereur][]
• enh(arcade) updated to ArcGIS Arcade version 1.16 [John Foster][]
• enh(php) Left and right-side of double colon [Wojciech Kania][]
• enh(php) add PHP constants [Wojciech Kania][]
• enh(php) add PHP 8.1 keywords [Wojciech Kania][]
• fix(cpp) fix vector<< template false positive (#3437) [Josh Goebel][]
• enh(php) support First-class Callable Syntax (#3427) [Wojciech Kania][]
• enh(php) support class constructor call (#3427) [Wojciech Kania][]
• enh(php) support function invoke (#3427) [Wojciech Kania][]
• enh(php) Switch highlighter to partially case-insensitive (#3427) [Wojciech Kania][]
• enh(php) improve namespace and use highlighting (#3427) [Josh Goebel][]
• enh(php) $this is a variable.language now (#3427) [Josh Goebel][]
• enh(php) add __COMPILER_HALT_OFFSET__ (#3427) [Josh Goebel][]
• enh(js/ts) fix => async function title highlights (#3405) [Josh Goebel][]
• enh(twig) update keywords list (#3415) [Matthieu Lempereur][]
• fix(python) def, class keywords detected mid-identifier (#3381) [Josh Goebel][]
• fix(python) Fix recognition of numeric literals followed by keywords without whitespace (#2985) [Richard Gibson][]
• enh(swift) add SE-0290 unavailability condition (#3382) [Bradley Mackey][]
• fix(fsharp) Highlight operators, match type names only in type annotations, support quoted identifiers, and other smaller fixes. [Melvyn Laïly][]
• enh(java) add sealed and non-sealed keywords (#3386) [Bradley Mackey][]
• enh(js/ts) improve CLASS_REFERENCE (#3411) [Josh Goebel][]
• enh(nsis) Update defines pattern to allow ! (#3417) [idleberg][]
• enh(nsis) Update language strings pattern to allow ! (#3420) [idleberg][]
• fix(stan) Updated for Stan 2.28 and other misc. improvements (#3410)
• enh(nsis) Update variables pattern (#3416) [idleberg][]
• fix(clojure) Several issues with Clojure highlighting (#3397) [Björn Ebbinghaus][]
  • fix(clojure) comment macro catches more than it should (#3395)
  • fix(clojure) $ in symbol breaks highlighting
  • fix(clojure) Add complete regex for number detection
  • enh(clojure) Add character mode for character literals
  • fix(clojure) Inconsistent namespaced map highlighting
  • enh(clojure) Add regex mode to regex literal
  • fix(clojure) Remove inconsistent/broken highlighting for metadata
  • enh(clojure) Add punctuation mode for commas.
• fix(julia) Enable the jldoctest alias (#3432) [Fons van der Plas][]

Developer Tools:

• (chore) add gzip size compression report (#3400) [Bradley Mackey][]

Themes:

• Modified background color in css for Gradient Light and Gradient Dark themes [Samia Ali][]

Version 11.3.1

Build:

• (fix) Grammar CDN modules not generated correctly. (#3363) [Josh Goebel][]

Version 11.3.0

Build:

• add HighlightJS named export (#3295) [Josh Goebel][]
• add .default named export to CJS builds (#3333) [Josh Goebel][]

Parser:

• add first rough performance testing script (#3280) [Austin Schick][]
• add throwUnescapedHTML to warn against potential HTML injection [Josh Goebel][]
• expose regex helper functions via hljs injection [Josh Goebel][]
  • concat
  • lookahead
  • either
  • optional
  • anyNumberOfTimes

Grammars:

• fix(ts) some complex types would classify as JSX (#3278) [Josh Goebel][]
• fix(js/ts) less false positives for class X extends Y (#3278) [Josh Goebel][]
• enh(css): add properties from several W3C (Candidate) Recommendations (#3308)
• fix(js/ts) Float32Array highlighted incorrectly (#3353) [Josh Goebel][]
• fix(css) single-colon psuedo-elements no longer break highlighting (#3240) [Josh Goebel][]
• fix(scss) single-colon psuedo-elements no longer break highlighting (#3240) [Josh Goebel][]
• enh(fsharp) rewrite most of the grammar, with many improvements [Melvyn Laïly][]
• enh(go) better type highlighting, add error type [Josh Goebel][]
• fix(js/ts) regex inside SUBST is no longer highlighted [Josh Goebel][]
• fix(python) added support for unicode identifiers (#3280) [Austin Schick][]
• enh(css/less/stylus/scss) improve consistency of function dispatch (#3301) [Josh Goebel][]
• enh(css/less/stylus/scss) detect block comments more fully (#3301) [Josh Goebel][]
• fix(cpp) switch is a keyword (#3312) [Josh Goebel][]
• fix(cpp) fix xor_eq keyword highlighting. [Denis Kovalchuk][]
• enh(c,cpp) highlight type modifiers as type (#3316) [Josh Goebel][]
• enh(css/less/stylus/scss) add support for CSS Grid properties [monochromer][]
• enh(java) add support for Java Text Block (#3322) [Teletha][]
• enh(scala) add missing do and then keyword (#3323) [Nicolas Stucki][]
• enh(scala) add missing enum, export and given keywords (#3328) [Nicolas Stucki][]
• enh(scala) remove symbol syntax and fix quoted code syntax (#3324) [Nicolas Stucki][]
• enh(scala) add Scala 3 extension soft keyword (#3326) [Nicolas Stucki][]
• enh(scala) add Scala 3 end soft keyword (#3327) [Nicolas Stucki][]
• enh(scala) add inline soft keyword (#3329) [Nicolas Stucki][]
• enh(scala) add using soft keyword (#3330) [Nicolas Stucki][]
• enh(fsharp) added f# alias (#3337) [Bahnschrift][]
• enh(bash) added gnu core utilities (#3342) [katzeprior][]
• enh(nsis) add new NSIS commands (#3351) [idleberg][]
• fix(nsis) set case_insensitive to true (#3351) [idleberg][]
• fix(css/less/stylus/scss) highlight single-colon psuedo-elements properly (#3240) [zsoltlengyelit][]
• fix(css) add css hex color alpha support (#3360) [ierehon1905][]

Version 11.2.0

Build:

• fix: run Node build CSS files thru CSS processor also (#3284) [Josh Goebel][]

Parser:

• fix(csharp) Fix assignments flagging as functions [Josh Goebel][]
• fix(types) Fix some type definition issues (#3274) [Josh Goebel][]
• fix(verilog) Fix directive handling (#3283) [Josh Goebel][]
• fix(verilog) Fix binary number false positives on _ (#3283) [Josh Goebel][]
• enh(verilog) __FILE__ and __LINE__ constants (#3283) [Josh Goebel][]
• enh(verilog) tighten keyword regex (#3283) [Josh Goebel][]

Grammars:

• enh(swift) Add isolated/nonisolated keywords (#3296) [Bradley Mackey][]

New Languages:

• Added 3rd party X# grammar to SUPPORTED_LANGUAGES [Patrick Kruselburger][]
• Added 3rd party MKB grammar to SUPPORTED_LANGUAGES (#3297) [Dereavy][]