Version 10.7.0

Parser:

• keywords now have a maximum # of times they provide relevance (#3129) [Josh Goebel][]
• enh(api) add unregisterLanguage method (#3009) [Antoine du Hamel][]
• enh: Make alias registration case insensitive (#3026) [David Ostrovsky][]
• fix(parser) highlightAll() now works if the library is lazy loaded [Josh Goebel][]

New Languages:

• Added 3rd party RiScript grammar to SUPPORTED_LANGUAGES (#2988) [John C][]
• Added 3rd party HLSL grammar to SUPPORTED_LANGUAGES (#3002) [Stef Levesque][]
• Added 3rd party Q# grammar to SUPPORTED_LANGUAGES(#3006) [Vyron Vasileiadis][]

Language grammar improvements:

• enh(js/ts) class references (CamelCase) are highlighted (#3169) [Josh Goebel][]
• enh(js/ts) constants (ALL_CAPS) are highlighted (#3169) [Josh Goebel][]
• enh(js/ts) highlights function invokation (#3169) [Josh Goebel][]
• enh(js/ts) functions assigned to variables are now highlighted title.function (#3169) [Josh Goebel][]
• enh(parser) smarter detection of comments (#2827) [Josh Goebel][]
• fix(python) allow keywords immediately following numbers (#2985) [Josh Goebel][]
• fix(xml) char immediately following tag close mis-highlighted (#3044) [Josh Goebel][]
• fix(ruby) fix defined?() mis-highlighted as def (#3025) [Josh Goebel][]
• fix(c) comments after #include <str> blocks (#3041) [Josh Goebel][]
• fix(cpp) comments after #include <str> blocks (#3041) [Josh Goebel][]
• enh(cpp) Highlight all function dispatches (#3005) [Josh Goebel][]
• enh(python) support type hints and better type support (#2972) [Josh Goebel][]
• enh(gml) Add additional GML 2.3 keywords (#2984) [xDGameStudios][]
• fix(cpp) constructor support for initializers (#3001) [Josh Goebel][]
• enh(php) Add trait to class-like naming patterns (#2997) [Ayesh][]
• enh(php) Add Stringable, UnhandledMatchError, and WeakMap classes/interfaces (#2997) [Ayesh][]
• enh(php) Add mixed to list of keywords (#2997) [Ayesh][]
• enh(php) Add support binary, octal, hex and scientific numerals with underscore separator support (#2997) [Ayesh][]
• enh(php) Add support for Enums (#3004) [Ayesh][]
• enh(ecmascript) Add built-in types [Vaibhav Chanana][]
• enh(kotlin) Add kts as an alias for Kotlin (#3021) [Vaibhav Chanana][]
• enh(css) Add font-smoothing to attributes list for CSS (#3027) [AndyKIron][]
• fix(python) Highlight print and exec as a builtin (#1468) [Samuel Colvin][]
• fix(csharp) Fix unit being highlighted instead of uint (#3046) [Spacehamster][]
• enh(swift) add async/await keywords (#3048) [Bradley Mackey][]

Deprecations:

• highlight(languageName, code, ignoreIllegals, continuation) deprecated as of 10.7
  • Please use the newer API which takes code and then accepts options as an object
  • IE: highlight(code, {language, ignoreIllegals})
  • continuation is for internal use only and no longer supported
• highlightBlock(el) deprecated as of 10.7.
  • Please use highlightElement(el) instead.
  • Plugin callbacks renamed before/after:highlightBlock => before/after:highlightElement
  • Plugin callback now takes el vs block attribute
  • The old API and callbacks will be supported until v12.

Version 10.6.0

New Languages:

• Added 3rd party Laravel Blade grammar to SUPPORTED_LANGUAGES (#2944) [Michael Newton][]

Language grammar improvements:

• enh(scala) fix triple quoted strings (#2987) [Josh Goebel][]
• enh(perl) Much improved regex detection (#2960) [Josh Goebel][]
• enh(swift) Improved highlighting for operator and precedencegroup declarations. (#2938) [Steven Van Impe][]
• fix(xml) Support single-character namespaces. (#2957) [Jan Pilzer][]
• enh(ruby) Support for character literals (#2950) [Vaibhav Chanana][]
• enh(powershell) Add three VALID_VERBS and update the reference link (#2981) [davidhcefx][]
• fix(php) Highlighting of anonymous functions without {} block [Vaibhav Chanana][]

Grammar Deprecations:

• Deprecate c-like, though you should not be using it directly anyways.
  • will be removed in v11.
• c and cpp are now wholly unique grammars that will diverge over time

Parser:

• new simpler highlightAll() API (#2962) [Josh Goebel][]
  • this should be a drop-in replacement for both initHighlighting() and initHighlightingOnLoad()
  • note: it does not prevent itself from being called multiple times (as the previous API did)
• beginKeyword no longer bestows double relevance (#2953) [Josh Goebel][]
• allow keywords to be an array of strings [Josh Goebel][]
• add modes.MATCH_NOTHING_RE that will never match
  • This can be used with end to hold a mode open (it must then be ended with endsParent in one of it's children modes) [Josh Goebel][]

Deprecations:

• initHighlighting() and initHighlightingOnLoad() deprecated.
  • Please use the new highlightAll() API instead.
  • Deprecated as of 10.6.
  • These will both be aliases to highlightAll in v11.

Version 10.5.0

Build:

• Add Subresource Integrity digest lists to cdn-assets [Josh Goebel][]
• R and VB.net grammars now ship in our default build (:common) [Josh Goebel][]

Parser:

• add match as sugar for simple begin only matches (#2834) [Josh Goebel][]
• allow illegal to also be an array of regex (#2834) [Josh Goebel][]
• add compilerExtensions allows grammers to influence mode compilation (#2834) [Josh Goebel][]
  • some internal pieces are now simple compiler extensions

New Languages:

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

Language grammar improvements:

• enh: CSS grammars now share common foundation, keywords, etc. (#2937) [Josh Goebel][]
  • enh(css): many consistency improvements
  • enh(scss): many consistency improvements
  • enh(stylus): many consistency improvements
  • enh(less): many consistency improvements
• enh(cpp): Support C++ pack expansion in function arguments [Martin Dørum][]
• enh(makefile): Add make as an alias (#2883) [tripleee][]
• enh(swift) Improved grammar for strings (#2819) [Steven Van Impe][]
• enh(swift) Grammar improvements (#2908) [Steven Van Impe][]
  • New grammar for keywords and built-ins
  • Added support for operator highlighting
  • New grammar for attributes
  • Added support for quoted identifiers, implicit parameters, and property wrapper projections
  • Support for more complex expressions in string interpolation
• enh(swift) Improved highlighting for types and generic arguments (#2920) [Steven Van Impe][]
• enh(swift) Improved highlighting for functions, initializers, and subscripts (#2930) [Steven Van Impe][]
• fix(http) avoid recursive sublanguage and tighten rules (#2893) [Josh Goebel][]
• fix(asciidoc): Handle section titles level 5 (#2868) [Vaibhav Chanana][]
• fix(asciidoc): Support unconstrained emphasis syntax (#2869) [Guillaume Grossetie][]
• enh(scheme) Allow [] for argument lists (#2913) [Josh Goebel][]
• 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
• fix(javascript) Empty block-comments break highlighting (#2896) [Jan Pilzer][]
• enh(dart) Fix empty block-comments from breaking highlighting (#2898) [Jan Pilzer][]
• enh(dart) Fix empty doc-comment eating next line [Jan Pilzer][]
• enh(asciidoc) Adds support for unconstrained bold syntax (#2869) [Guillaume Grossetie][]
• enh(c-like) Incorrect highlighting for interger suffix (#2919) [Vaibhav Chanana][]
• enh(properties) Correctly handle trailing backslash (#2922) [Vaibhav Chanana][]

Recent Deprecations:

• HTML "merging" is deprecated. (#2873) [Josh Goebel][]
  • HTML inside <pre> blocks will no longer be magically merged back into the highlighted code's HTML result - it will instead be silently removed.
  • Consider [using a plugin][htmlPlugin] if you truly need this functionality
  • Deprecated as of 10.5.0 - will be removed in v11.
• tabReplace option deprecated. (#2873) [Josh Goebel][]
  • Consider: Use the CSS tab-size property, or simply pre-process the text yourself before rendering the initial HTML
  • otherwise, [use a plugin][tabPlugin]
  • Deprecated as of 10.5.0 - will be removed in v11.
• useBR option deprecated. (#2559) [Josh Goebel][]
  • Recommended: You really should just use the HTML <pre> tag
  • or perhaps try CSS white-space: pre;
  • otherwise, [use a plugin][brPlugin]
  • Deprecated as of 10.3.0 - will be removed in v11.
• requireLanguage API is deprecated, will be removed in v11.0.
  • Consider: Use getLanguage (with custom error handling) or built-time dependencies.
  • See Library API for more information.
  • Deprecated as of 10.4.0 - will be removed in v11.

Version 10.4.1 (tentative)

Security

• (fix) Exponential backtracking fixes for: [Josh Goebel][]
  • cpp
  • handlebars
  • gams
  • perl
  • jboss-cli
  • r
  • erlang-repl
  • powershell
  • routeros
• (fix) Polynomial backtracking fixes for: [Josh Goebel][]
  • asciidoc
  • reasonml
  • latex
  • kotlin
  • gcode
  • d
  • aspectj
  • moonscript
  • coffeescript/livescript
  • csharp
  • scilab
  • crystal
  • elixir
  • basic
  • ebnf
  • ruby
  • fortran/irpf90
  • livecodeserver
  • yaml
  • x86asm
  • dsconfig
  • markdown
  • ruleslanguage
  • xquery
  • sqf

Very grateful to [Michael Schmidt][] for all the help.

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][]
• enh(grammars) allow classNameAliases for more complex grammars [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][187e7cfc]) [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][]