2026 MathML Core

WEH 2026 - MathML Core

• GitHub issue: https://github.com/Igalia/webengineshackfest/issues/79
• URL: https://meet.jit.si/WEH2026-mathml
• Slidedeck: https://webengineshackfest-2026-mathml-core-065775.pages.igalia.com/

Bad Apple!! Demo

• https://conflor.es/bad-apple-mathml
• https://www.youtube.com/watch?v=SDJZYeJxtcU

Roadmap and ideas

• CSS
  • Finish implementation of new features.
  • Make existing CSS features properly interact with MathML.
  • Accept <length-percentage> for MathML length attributes (Firefox/WebKit)
• Fonts
  • Ship Noto Sans Math v3.000 in Android? bug
  • Variable fonts and stretchy operators? spec
  • Math+WebAssembly font? for arabic math?
• MathML layout
  • Operator Dictionary.
  • Operator stretching and spacing.
  • Bug fixes and new features from the MathML community?
• MathML links
  • Deprecate/remove MathML3 href (Firefox/Safari).
  • Implement MathML Core's <a> element (Chrome)
  • More work on WebIDL, etc.
• Interoperability
  • Unship deprecated features (Firefox/Safari).
  • Increase test coverage and WPT score.
  • More mathml in WEB_FEATURES.yml?
  • Implementation in other engines?
• MathML in Canvas?

Questions

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Small talks on MathML uses

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