Bump mistune from 3.0.2 to 3.3.0 in /libs/experimental

[dependabot]

Bumps mistune from 3.0.2 to 3.3.0.

Release notes

Sourced from mistune's releases.

v3.3.0

   🐞 Bug Fixes

• Resolve O(n^2) DoS in parse_link_text (CWE-400)  -  by bhanugoudm041 (b6b49)
• Resolve O(n^2) DoS in parse_link_text (CWE-400)-Type handling/testing done  -  by bhanugoudm041 (b3af8)
• block: Avoid quadratic ref link scans  -  by @​lepture (2b04d)
• cli: Add entrypoint and utf-8 output  -  by @​lepture (2f244)
• directives: Constrain include targets  -  by @​lepture (1bef3)
• formatting: Avoid quadratic marker scans  -  by @​lepture (96d0f)
• image: Validate figure width option  -  by @​lepture (e3e51)
• inline: Avoid bracket parsing DoS  -  by @​lepture (25f25)
• math: Reject currency patterns and cross-line matches in inline math  -  by @​geopanther (566e1)
• math: Support display and backtick math  -  by @​lepture (1141e)
• renderer: Render plugin list and table nodes  -  by @​lepture (614b0)
• renderer: Block encoded unsafe URL schemes  -  by @​lepture (c7101)
• toc: Avoid generated id collisions  -  by @​lepture (c4093)

   🏎 Performance

• Improve performance  -  by @​lepture (bf95c)

    View changes on GitHub

v3.2.1

   🐞 Bug Fixes

• Resolve Windows compatibility issues in file inclusion and tests  -  by @​Yuki9814 (25471)
• Escape html text  -  by @​lepture (a3cb6)
• Update link reference  -  by @​lepture (85eb5)
• Handle escaped dollar signs in inline math  -  by @​saschabuehrle in lepture/mistune#370 (7bd57)
• Escape id of toc  -  by @​lepture (04880)
• Escape id of headings  -  by @​lepture (28556)
• Remove double-encoding of image alt text  -  by @​lawrence3699 (0d6f3)
• Escape xml for math plugin  -  by @​lepture (5fa09)
• Use strict regex for image's height and width  -  by @​lepture (8d0cb)

    View changes on GitHub

v3.2.0

   🚀 Features

• Support footnotes that start on the next line.  -  by @​kylechui (2677e)
• Properly handle code blocks inside footnotes.  -  by @​kylechui (0516c)
• Support python 3.14  -  by @​lepture (7e0eb)

   🐞 Bug Fixes

• Render ref links and footnotes in footnotes.  -  by @​lepture (bd90e)
• Render ref links in TOC.  -  by @​lemon24 (a0a01)
• Update typing for mypy upgrades  -  by @​lepture (8d49c)

... (truncated)

Changelog

Sourced from mistune's changelog.

Version 3.3.0

Released on Jun 21, 2026

• Improve CommonMark compatibility and parser performance.
• Add command line entrypoint with UTF-8 output.
• Support display and backtick math.
• Render plugin list and table nodes in Markdown renderer.
• Escape leading block markers in Markdown renderer.
• Fix RST renderer for block quotes nested in lists.
• Avoid generated heading ID collisions in TOC.
• Harden URL, image, figure, and include directive handling.
• Fix quadratic scans in inline links, reference links, and formatting markers.
• Fix math escaping, currency pattern matching, and cross-line matching.

Version 3.2.1

Released on May 3, 2026

• Escape link in render_toc_ul.
• Escape text in math plugin.
• Fix regex for math plugin.
• Escape heading's ID attribute.
• Fix LINK_TITLE_RE to prevent DoS.
• Escape class attribute for admonition directive.
• Remove double-encoding of image alt text.
• Escape class attribute for image directive.
• Fix width/height attribute for image directive.

Version 3.2.0

Released on Dec 23, 2025

• Announce supports for python 3.14
• Fix footnotes plugins for code blocks, ref links, blockquote and etc.
• Fix ref links in TOC.

Version 3.1.4

Released on Aug 29, 2025

• Add fenced directive break rule in list parser.
• Prevent removing unicode whitespace when parsing atx heading.

Version 3.1.3

... (truncated)

Commits

• 15c3b79 chore: release 3.3.0
• bdc01ad tests: increase run time on pypy
• 7cf1814 tests: increase run time for pypy
• 6dfdc3d tests: add more tests
• 17c50f6 chore: fix mypy issues
• 63abe4b chore: use ruff check and format
• e6c1b18 chore: resolve mypy issues
• dcf8902 test(math): cover escaped math output
• c4093c4 fix(toc): avoid generated id collisions
• e3e51de fix(image): validate figure width option
• Additional commits viewable in compare view

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Note

Low Risk
Dependency-only lockfile change for a dev/Jupyter transitive package; no application source changes, though markdown parsing behavior may differ slightly in notebooks.

Overview
Updates mistune from 3.0.2 to 3.3.0 in libs/experimental/poetry.lock. It is pulled in as a dev dependency (nbconvert / Jupyter), not a direct pyproject.toml dependency.

The newer release brings security and robustness fixes for Markdown parsing (e.g. O(n²) DoS in link/reference parsing, safer URL and include handling, escaping improvements) plus minor parser/CLI changes. The resolved package now lists typing-extensions when Python is below 3.11 and requires Python ≥3.8.

The lockfile diff also reflects Poetry 2.4.1 lock format (e.g. groups / markers on entries); that is tooling metadata, not an application code change.

^{Reviewed by Cursor Bugbot for commit b581ff2. Bugbot is set up for automated code reviews on this repo. Configure here.}

[cursor]

Risk: low. Approved: mechanical Dependabot mistune bump (3.0.2→3.3.0) in libs/experimental/poetry.lock; Bugbot passed with no findings and no Security Agent check was present. Lockfile metadata refresh only—no other dependency version changes.

  

_{Sent by Cursor Approval Agent: Pull Request Approver}