# pygments 2.21.0

- Product: pygments (https://whatsnew.fyi/product/pygments)
- Vendor: pygments
- Date: 2026-08-17
- Version: 2.21.0
- Original notes: https://github.com/pygments/pygments/releases/tag/2.21.0
- Permalink: https://whatsnew.fyi/product/pygments/releases/2.21.0

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

---

- **added** — New BitBake lexer
- **added** — New Caddyfile lexer
- **added** — New CEL lexer
- **added** — New PureScript lexer
- **added** — New Night Owl style
- **fixed** — Bash lexer: fix coloured keyword at the beginning of a name
- **changed** — Boogie lexer: add missing Boogie and Civl Verifier keywords
- **changed** — C# lexer: recognize interpolated verbatim strings with either $@ or @$ prefixes
- **changed** — C# lexer: support dollar-prefixed and multi-quote raw strings
- **changed** — C# lexer: recognize union
- **changed** — C/C++ lexer: add C23/C++26 attributes
- **changed** — C/C++ lexer: add more C2Y keywords
- **changed** — C/C++ lexer: highlight a function following a namespace body
- **fixed** — C/C++ lexer: fix support for multiline pre-processor comments
- **changed** — C/C++ lexer: add .ipp as a file extension
- **changed** — Clojure lexer: recognize named, octal and unicode character literals such as \space and \o377 as a single token
- **changed** — Csound lexer: add missing opcode parameter type letter
- **changed** — CUDA lexer: derive from the C++ lexer instead of C to highlight C++ constructs such as template, class and namespace
- **changed** — D lexer: allow non-ASCII (Unicode) identifiers
- **fixed** — Fish lexer: fix single quote backslash escape

- New lexers:

  * BitBake (#3103)
  * Caddyfile (#3225)
  * CEL (#3048)
  * PureScript (#1077, #3054)

- Updated lexers:

  * Bash: Fix coloured keyword at the beginning of a name (#2926)
  * Boogie: Add missing Boogie and Civl Verifier keywords (#3156)
  * C#:
    - Recognize interpolated verbatim strings with either ``$@`` or ``@$``
      prefixes (#2685)
    - Support dollar-prefixed and multi-quote raw strings (#3129, #2897)
    - Recognize ``union`` (#3182)
  * C/C++:
    - Add C23/C++26 attributes (#3084)
    - Add more C2Y keywords (#3092)
    - Highlight a function following a namespace body (#2928)
    - Fix C/C++ lexer support for multiline pre-processor comments (#3051)
    - Add ``.ipp`` as a file extension (#3141, #1008)
  * Clojure: Recognize named, octal and unicode character literals such as
    ``\space`` and ``\o377`` as a single token (#979)
  * Csound: Add missing opcode parameter type letter (#3161)
  * CUDA: Derive from the C++ lexer instead of C to highlight C++
    constructs such as ``template``, ``class`` and ``namespace`` (#3127)
  * D: Allow non-ASCII (Unicode) identifiers (#1088)
  * Fish: Fix single quote backslash escape (#3138, #2821)
  * Go: Various lexer improvements (#3199)
  * GoogleSQL: Require a word break after ``SET`` (#3167)
  * Hexdump: Only match valid digits (#3200, #2847)
  * JavaScript: Highlight the ``arguments`` object (#3146)
  * Jsonnet: Recognize colons in array slice expressions (#2828)
  * JSX: Allow apostrophes in element text (#2816)
  * Julia: Fix rstrings backslash (#3140, #2537)
  * Kotlin: Support companion objects without an explicit name (#2525)
  * Kotlin: Don't let a nullable type marker (``?``) consume the following
    character, so ``Foo?,`` and ``a?:b`` tokenize correctly (#2964)
  * Kusto: Recognize member-access dots in dynamic objects (#2779)
  * Lua: Various improvements (#3143)
  * Macaulay2: Update symbols to 1.26.05 (#3120)
  * Markdown:
    - Highlight bold-italics (``***...***`` and ``___...___``) (#3067)
    - Fix mention regex to support hyphens in usernames (#3139, #3135)
  * Markdown, reStructuredText, TiddlyWiki5: Fix wrong token offsets for
    embedded code blocks (#3133)
  * Mathematica: Recognize ``\[Name]`` named-character escapes such as
    ``\[Nu]`` instead of emitting an ``Error`` token (#3097)
  * MATLAB, Octave, Scilab: Allow ``...`` line continuations in function
    definition signatures (#659)
  * MySQL: Require a word break after ``SET`` (#3110)
  * PostgreSQL: Add more keywords (#3066)
  * Python:
    - Recognize ``sentinel`` (#3114)
    - Recognize ``frozendict`` (#3119)
    - Recognize lazy imports (#3115)
  * reStructuredText: Allow ``.`` and ``+`` in directive/role names (#3085)
  * Ruby: Don't duplicate the body of an unterminated heredoc (#2998)
  * Ruby: Treat ``<<`` after ``)``, ``]`` or ``}`` as the shift operator
    rather than the start of a heredoc (#760)
  * SCSS: Recognize variable references in property values (#2818)
  * Shell: Recognize chevron prompts (#3096)
  * Smithy: Fix text blocks and add missing syntax (#3168)
  * Swift: Keep ``func`` a keyword in ``class func`` type methods (#1125)
  * Tcl: Stop ``$name`` variable references at a dash (#1720)
  * TeX: Recognize LaTeX math environments as math (#3034)
  * Twig: Allow uppercase letters at the start of identifiers (#3159, #2965)
  * TypeScript: Only treat ``module`` as a keyword when followed by
    whitespace, so identifiers like ``modules`` and ``module.exports``
    are highlighted correctly (#2823)
  * Vala: Recognize verbatim strings before ordinary quoted strings (#2861)
  * Vala: Recognize conditional compilation directives (#2858)
  * Vim:
    - Bump the syntax file to vim 9.2 (#3183, #3174)
    - Small improvements to the VimScript lexer (#3173)
  * YAML: Add ``yml`` alias (#3169), recognize non-breaking spaces as valid
    scalar content (#2827)
  * WebAssembly: Recogniz

_[Truncated at 4000 characters — full notes: https://github.com/pygments/pygments/releases/tag/2.21.0]_