highlight.js/CHANGES.md

Syntax highlighting with language autodetection.

## Version 11.3.1

Build:

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

[Josh Goebel]: https://github.com/joshgoebel


## 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][]

[Austin Schick]: https://github.com/austin-schick
[Josh Goebel]: https://github.com/joshgoebel
[Denis Kovalchuk]: https://github.com/deniskovalchuk
[monochromer]: https://github.com/monochromer
[Teletha]: https://github.com/teletha
[Nicolas Stucki]: https://github.com/nicolasstucki
[Bahnschrift]: https://github.com/Bahnschrift
[Melvyn Laïly]: https://github.com/mlaily
[katzeprior]: https://github.com/katzeprior
[zsoltlengyelit]: github.com/zsoltlengyelit
[Syb Wartna]:https://github.com/waarissyb
[idleberg]: https://github.com/idleberg
[ierehon1905]: https://github.com/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][]

[Josh Goebel]: https://github.com/joshgoebel
[Patrick Kruselburger]: https://github.com/PatrickKru
[Bradley Mackey]: https://github.com/bradleymackey
[Dereavy]: https://github.com/dereavy


## Version 11.1.0

Grammars:

- fix(csharp) add missing `catch` keyword (#3251) [Konrad Rudolph][]
- add additional keywords to csp.js (#3244) [Elijah Conners][]
- feat(css) handle css variables syntax (#3239) [Thanos Karagiannis][]
- fix(markdown) Images with empty alt or links with empty text (#3233) [Josh Goebel][]
- enh(powershell) added `pwsh` alias (#3236) [tebeco][]
- fix(r) fix bug highlighting examples in doc comments [Konrad Rudolph][]
- fix(python) identifiers starting with underscore not highlighted (#3221) [Antoine Lambert][]
- enh(clojure) added `edn` alias (#3213) [Stel Abrego][]
- enh(elixir) much improved regular expression sigil support (#3207) [Josh Goebel][]
- enh(elixir) updated list of keywords (#3212) [Angelika Tyborska][]
- fix(elixir) fixed number detection when numbers start with a zero (#3212) [Angelika Tyborska][]
- fix(ps1) Flag highlighted incorrectly (#3167) [Pankaj Patil][]
- fix(latex) Allow wider syntax for magic comments (#3243) [Benedikt Wilde][]
- fix(js/ts) Constants may include numbers [Josh Goebel][]

[Stel Abrego]: https://github.com/stelcodes
[Josh Goebel]: https://github.com/joshgoebel
[Antoine Lambert]: https://github.com/anlambert
[Elijah Conners]: https://github.com/elijahepepe
[Angelika Tyborska]: https://github.com/angelikatyborska
[Konrad Rudolph]: https://github.com/klmr
[tebeco]: https://github.com/tebeco
[Pankaj Patil]: https://github.com/patil2099
[Benedikt Wilde]: https://github.com/schtandard
[Thanos Karagiannis]: https://github.com/thanoskrg


## Version 11.0.0

**This is a major release.**  As such it contains breaking changes which may require action from users.  Please read [VERSION_11_UPGRADE.md](https://github.com/highlightjs/highlight.js/blob/main/VERSION_11_UPGRADE.md) for a detailed summary of all breaking changes.

### Potentially breaking changes

Unless otherwise attributed items below are thanks to [Josh Goebel][] (ref: [#2558](https://github.com/highlightjs/highlight.js/issues/2558)).

*The below list should only be considered to be a high-level summary.*

Deprecations / Removals / API Changes:

- `initHighlighting()` and `initHighlightingOnLoad()` deprecated. **Use `highlightAll()`.**
- `highlightBlock(el)` deprecated. **Use `highlightElement(el)`**
- `before:highlightBlock` & `after:highlightBlock` callbacks deprecated. **Use  equivalent `highlightElement` callbacks.**
- `highlight(languageName, code, ignoreIllegals, continuation)` signature deprecated. **Use `highlight(code, {language, ignoreIllegals})`.**
- Deprecated `highlight()` signature no longer supports `continuation` argument.
- `tabReplace` option removed. Consider a plugin.
- `useBR` option removed. Consider a plugin or CSS.
- `requireLanguage()` removed. **Use `getLanguage()`.**
- `endSameAsBegin` mode key removed. **Use `hljs.END_SAME_AS_BEGIN`.**
- `lexemes` mode key removed. **Use `keywords.$pattern`.**
- The return values/keys of some APIs have changed slightly.

Security:

- HTML auto-passthru has been removed. Consider a plugin.
- Unescaped HTML is now stripped (for security). A warning is logged to the console. (#3057) [Josh Goebel][]

Themes:

- The default padding of all themes increases (0.5em => 1em).
- `schoolbook` has been updated to remove the lined background.
- `github` updated to better match modern GitHub (#1616) [Jan Pilzer][]
- `github-gist` has been removed in favor of `github` [Jan Pilzer][]
- Base16 named themes have been updated to their "canonical" versions
- `nnfx` updated for v11 xml styles and improved css support

Language Grammars:

- Default CDN build drops support for several languages.
- Some language grammar files have been removed.
- Some redundant language aliases have been removed.

### Other changes

Parser:

- enh(vala) improve language detection for Vala (#3195) [Konrad Rudolph][]
- enh(r) add support for operators, fix number highlighting bug (#3194, #3195) [Konrad Rudolph][]
- enh(parser) add `beginScope` and `endScope` to allow separate scoping begin and end (#3159) [Josh Goebel][]
- enh(parsed) `endScope` now supports multi-class matchers as well (#3159) [Josh Goebel][]
- enh(parser) `highlightElement` now always tags blocks with a consistent `language-[name]` class [Josh Goebel][]
  - subLanguage `span` tags now also always have the `language-` prefix added
- enh(parser) support multi-class matchers (#3081) [Josh Goebel][]
- enh(parser) Detect comments based on english like text, rather than keyword list [Josh Goebel][]
- adds `title.class.inherited` sub-scope support [Josh Goebel][]
- adds `title.class` sub-scope support (#3078) [Josh Goebel][]
- adds `title.function` sub-scope support (#3078) [Josh Goebel][]
- adds `beforeMatch` compiler extension (#3078) [Josh Goebel][]
- adds `cssSelector ` configuration option (#3180) [James Edington][]

Grammars:

- enh(all) `.meta-keyword` => `.meta .keyword` (nested scopes) (#3167) [Josh Goebel][]
- enh(all) `.meta-string` => `.meta .string` (nested scopes) (#3167) [Josh Goebel][]
- enh(swift) add `actor` keyword (#3171) [Bradley Mackey][]
- enh(crystal) highlight variables (#3154) [Josh Goebel][]
- fix(ruby) Heredoc without interpolation (#3154) [Josh Goebel][]
- enh(swift) add `@resultBuilder` attribute (#3151) [Bradley Mackey][]
- enh(processing) added `pde` alias (#3142) [Dylan McBean][]
- enh(thrift) Use proper scope for types [Josh Goebel][]
- enh(java) Simplified class-like matcher (#3078) [Josh Goebel][]
- enh(cpp) Simplified class-like matcher (#3078) [Josh Goebel][]
- enh(rust) Simplified class-like matcher (#3078) [Josh Goebel][]
- enh(actionscript) Simplified class-like matcher (#3078) [Josh Goebel][]
- enh(arcade) `function.title` => `title.function` (#3078) [Josh Goebel][]
- enh(autoit) `function.title` => `title.function` (#3078) [Josh Goebel][]
- enh(c) `function.title` => `title.function` (#3078) [Josh Goebel][]
- enh(rust) support function invoke and `impl` (#3078) [Josh Goebel][]
- chore(properties) disable auto-detection #3102 [Josh Goebel][]
- fix(properties) fix incorrect handling of non-alphanumeric keys #3102 [Egor Rogov][]
- enh(java) support functions with nested template types (#2641) [Josh Goebel][]
- enh(java) highlight types and literals separate from keywords (#3074) [Josh Goebel][]
- enh(shell) add alias ShellSession [Ryan Mulligan][]
- enh(shell) consider one space after prompt as part of prompt [Ryan Mulligan][]
- fix(nginx) fix bug with $ and @ variables [Josh Goebel][]
- enh(nginx) improving highlighting of some sections [Josh Goebel][]
- fix(vim) variable names may not be zero length [Josh Goebel][]
- enh(sqf) Updated keywords to Arma 3 v2.02 (#3084) [R3voA3][]
- enh(sqf) Refactored function regex to match CBA component func naming scheme (#3181) [JonBons][]
- enh(nim) highlight types properly (not as built-ins) [Josh Goebel][]
- (chore) throttle deprecation messages (#3092) [Mihkel Eidast][]
- enh(c) Update keyword list for C11/C18 (#3010) [Josh Goebel][]
- enh(parser) highlight object properties (#3072) [Josh Goebel][]
- enh(javascript/typescript) highlight object properties (#3072) [Josh Goebel][]
- enh(haskell) add support for BinaryLiterals (#3150) [Martijn Bastiaan][]
- enh(haskell) add support for NumericUnderscores (#3150) [Martijn Bastiaan][]
- enh(haskell) add support for HexFloatLiterals (#3150) [Martijn Bastiaan][]
- fix(c,cpp) allow declaring multiple functions and (for C++) parenthetical initializers (#3155) [Erik Demaine][]
- enh(rust) highlight raw byte string literals correctly (#3173) [Nico Abram][]
- fix(cpp) fix detection of common functions that are function templates (#3178) [Kris van Rens][]
- enh(cpp) add various keywords and commonly used types for hinting (#3178) [Kris van Rens][]
- enh(cpp) cleanup reserved keywords and type lists (#3178) [Kris van Rens][]

New Languages:

- Added 3rd party Glimmer grammar to SUPPORTED_LANGUAGES(#3123) [NullVoxPopuli][]
- Added Wren support [Josh Goebel][]
- Added NestedText support [Josh Goebel][]
- Added WebAssembly language grammar [Josh Goebel][]
- Added 3rd party Splunk search processing language grammar to SUPPORTED_LANGUAGES (#3090) [Wei Su][]
- Added 3rd party ZenScript grammar to SUPPORTED_LANGUAGES(#3106) [Jared Luboff][]
- Added 3rd party Papyrus grammar to SUPPORTED_LANGUAGES(#3125) [Mike Watling][]

Theme Improvements:

- Added all official Base16 themes (over 150 new themes) [Josh Goebel][]
- chore(themes) remove `builtin-name` CSS class (#3119) [Josh Goebel][]
- chore(theme) Update GitHub theme css to match GitHub's current styling (#1616) [Jan Pilzer][]
- chore(theme) Update Srcery theme css to match its Emacs implementation [Chen Bin][]

New Themes:

- DeviBeans Dark by [Farzad Sadeghi][]
- GitHub Dark and GitHub Dark Dimmed [Jan Pilzer][]

Dev Improvements:

- (chore) greatly improve match scope visualization in dev tool (#3126) [NullVoxPopuli][]
- (fix) CSS used for devtool needed an adjustment to fix too wide of content (#3133) [NullVoxPopuli][]

[Farzad Sadeghi]: https://github.com/terminaldweller
[Martijn Bastiaan]: https://github.com/martijnbastiaan
[Bradley Mackey]: https://github.com/bradleymackey
[Dylan McBean]: https://github.com/DylanMcBean
[Josh Goebel]: https://github.com/joshgoebel
[Ryan Mulligan]: https://github.com/ryantm
[R3voA3]: https://github.com/R3voA3
[JonBons]: https://github.com/JonBons
[Wei Su]: https://github.com/swsoyee
[Jared Luboff]: https://github.com/jaredlll08
[NullVoxPopuli]: https://github.com/NullVoxPopuli
[Mike Watling]: https://github.com/Pickysaurus
[Nico Abram]: https://github.com/nico-abram
[James Edington]: http://www.ishygddt.xyz/
[Jan Pilzer]: https://github.com/Hirse
[Kris van Rens]: https://github.com/krisvanrens


## Version 10.7.1

- fix(parser) Resolves issues with TypeScript types [Josh Goebel][]

### 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.


[Stef Levesque]: https://github.com/stef-levesque
[Josh Goebel]: https://github.com/joshgoebel
[John Cheung]: https://github.com/Real-John-Cheung
[xDGameStudios]: https://github.com/xDGameStudios
[Ayesh]: https://github.com/Ayesh
[Vyron Vasileiadis]: https://github.com/fedonman
[Antoine du Hamel]: https://github.com/aduh95
[Vaibhav Chanana]: https://github.com/il3ven
[David Ostrovsky]: https://github.com/davido
[AndyKIron]: https://github.com/AndyKIron
[Samuel Colvin]: https://github.com/samuelcolvin

## 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.

[Michael Newton]: https://github.com/miken32
[Steven Van Impe]: https://github.com/svanimpe/
[Josh Goebel]: https://github.com/joshgoebel
[Vaibhav Chanana]: https://github.com/il3ven
[davidhcefx]: https://github.com/davidhcefx
[Jan Pilzer]: https://github.com/Hirse


## 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](https://highlightjs.readthedocs.io/en/latest/api.html#requirelanguage-name) for more information.
  - Deprecated as of 10.4.0 - will be removed in v11.

[htmlPlugin]: https://github.com/highlightjs/highlight.js/issues/2889
[tabPlugin]: https://github.com/highlightjs/highlight.js/issues/2874
[brPlugin]: https://github.com/highlightjs/highlight.js/issues/2559

[Martin Dørum]: https://github.com/mortie
[Jan Pilzer]: https://github.com/Hirse
[Oldes Huhuman]: https://github.com/Oldes
[Josh Goebel]: https://github.com/joshgoebel
[tripleee]: https://github.com/tripleee
[Steven Van Impe]: https://github.com/svanimpe/
[Vaibhav Chanana]: https://github.com/il3ven
[Guillaume Grossetie]: https://github.com/mogztter


## 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.

[Michael Schmidt]: https://github.com/RunDevelopment
[Josh Goebel]: https://github.com/joshgoebel


## 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](https://highlightjs.readthedocs.io/en/latest/api.html#requirelanguage-name) 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][]

[Guillaume Grossetie]: https://github.com/mogztter
[Brad Chamberlain]: https://github.com/bradcray
[Marat Nagayev]: https://github.com/nagayev
[Fredrik Ekre]: https://github.com/fredrikekre
[Richard Gibson]: https://github.com/gibson042
[Josh Goebel]: https://github.com/joshgoebel
[Taufik Nurrohman]: https://github.com/taufik-nurrohman
[Jan Pilzer]: https://github.com/Hirse
[Jonathan Sharpe]: https://github.com/textbook
[Michael Rush]: https://github.com/rushimusmaximus
[Patrick Scheibe]: https://github.com/halirutan
[Kyle Brown]: https://github.com/kylebrown9
[Marcus Ortiz]: https://github.com/mportiz08
[Paul Reid]: https://github.com/RedGuy12


## 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][]

[Josh Goebel]: https://github.com/joshgoebel
[187e7cfc]: https://github.com/highlightjs/highlight.js/commit/187e7cfcb06277ce13b5f35fb6c37ab7a7b46de9


## 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][]

[Chris Krycho]: https://github.com/chriskrycho
[David Pine]: https://github.com/IEvangelist


[Ryan Jonasson]: https://github.com/ryanjonasson
[Philipp Engel]: https://github.com/interkosmos
[Konrad Rudolph]: https://github.com/klmr
[Melissa Geels]: https://github.com/codecat
[Antoine du Hamel]: https://github.com/aduh95
[Ayesh Karunaratne]: https://github.com/Ayesh
[Tom Wallace]: https://github.com/thomasmichaelwallace
[schtandard]: https://github.com/schtandard


## Version 10.2.1

 Parser Engine:

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

 [Josh Goebel]: https://github.com/yyyc514


## 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][]

[Youssef Victor]: https://github.com/Youssef1313
[Josh Goebel]: https://github.com/joshgoebel
[Andrew Janke]: https://github.com/apjanke
[Samia Ali]: https://github.com/samiaab1990
[kageru]: https://github.com/kageru
[night]: https://github.com/night
[ezksd]: https://github.com/ezksd
[idleberg]: https://github.com/idleberg
[eytienne]: https://github.com/eytienne
[sirosen]: https://github.com/sirosen


## 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][]

[Josh Goebel]: https://github.com/joshgoebel
[Edwin Hoogerbeets]: https://github.com/ehoogerbeets


## 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][]

[Josh Goebel]: https://github.com/joshgoebel
[Peter Plantinga]: https://github.com/pplantinga
[David Benjamin]: https://github.com/davidben
[Vania Kucher]: https://github.com/qWici
[Hankun Lin]: https://github.com/Linhk1606
[Nick Randall]: https://github.com/nicked
[Sam Rawlins]: https://github.com/srawlins
[Sergey Prokhorov]: https://github.com/seriyps
[Nils Knappmeier]: https://github.com/nknapp
[Martin (Lhoerion)]: https://github.com/Lhoerion
[Jim Mason]: https://github.com/RocketMan
[lioshi]: https://github.com/lioshi
[Pavel Evstigneev]: https://github.com/Paxa
[Antoine du Hamel]: https://github.com/aduh95


## Version 10.0.2

Brower build:

- [Issue](https://github.com/highlightjs/highlight.js/issues/2505) (bug) Fix: Version 10 fails to load as CommonJS module. (#2511) [Josh Goebel][]
- [Issue](https://github.com/highlightjs/highlight.js/issues/2505) (removal) AMD module loading support has been removed. (#2511) [Josh Goebel][]

Parser Engine Changes:

- [Issue](https://github.com/highlightjs/highlight.js/issues/2522) fix(parser) Fix freez issue with illegal 0 width matches (#2524) [Josh Goebel][]


[Josh Goebel]: https://github.com/joshgoebel


## Version 10.0.1

Parser Engine Changes:

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

[Josh Goebel]: https://github.com/joshgoebel


## 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

[Omid Golparvar]: https://github.com/omidgolparvar
[Alexandre Grison]: https://github.com/agrison
[Josh Goebel]: https://github.com/joshgoebel
[Chen Bin]: https://github.com/redguardtoo
[Sam Miller]: https://github.com/smillerc
[Robert Riebisch]: https://github.com/bttrx
[Taufik Nurrohman]: https://github.com/taufik-nurrohman
[Josh Goebel]: https://github.com/joshgoebel
[Sean Williams]: https://github.com/hmmwhatsthisdo
[Adnan Yaqoob]: https://github.com/adnanyaqoobvirk
[Álvaro Mondéjar]: https://github.com/mondeja


## Version 9.18.1

Grammar Improvements:

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

[Josh Goebel]: https://github.com/joshgoebel


## 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][]

[Jeffrey Arnold]: https://github.com/jrnold
[Josh Goebel]: https://github.com/joshgoebel
[Philipp Engel]: https://github.com/interkosmos
[Youssef Victor]: https://github.com/Youssef1313
[Nils Knappmeier]: https://github.com/nknapp


## Version 9.17.1

Fixes:

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

[Josh Goebel]: https://github.com/joshgoebel


## 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][]

[Josh Goebel]: https://github.com/joshgoebel
[Liam Nobel]: https://github.com/liamnobel
[Carl Baxter]: https://github.com/cdbax
[Milutin Kristofic]: https://github.com/milutin
[w3suli]: https://github.com/w3suli
[David Benjamin]: https://github.com/davidben
[Chris Marchesi]: https://github.com/vancluever
[Adrian Ostrowski]: https://github.com/aostrowski
[Rongjian Zhang]: https://github.com/pd4d10
[Mike Schall]: https://github.com/schallm
[Kirill Saksin]: https://github.com/saksmt
[Samia Ali]:https://github.com/samiaab1990
[Erik Demaine]:https://github.com/edemaine


## 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 wo