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[Feature Request] Update Mathjax to 4.x #3956

Description

@ghaarsma

In due time, could you upgrade the shipped verion of Mathjax in Plotly Dash from version 3.2 to a newer 4.x version.

See timetable of releases here

Our dependencies scanners are starting to pick up that the current 3.2 (from 2022) is starting to become quite out of date.

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  1. changed the title [-][Feature Request][/-] [+][Feature Request] Update Mathjax to 4.x[/+] on Aug 21, 2026
  2. robertclaus commented on Aug 25, 2026

    @robertclaus
    Contributor

    @ghaarsma thanks for raising this. Plotly.py and Plotly.js just released support for Mathjax 4.x so this is unblocked as of this week!

  3. ghaarsma commented on Sep 29, 2026

    @ghaarsma
    Author

    I tried the Dash 4.5.0rc0 and noticed that it was still on the old 3.2.2 Mathjax version. Not sure if this is something that still can be added to 4.5 Dash.

  4. camdecoster commented on Sep 29, 2026

    @camdecoster
    Contributor

    Our team was working on this in another PR. Let me check with that engineer and follow up.

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