jupyterbook.org
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🛳️ New release of myst-theme ! This is a patch release to fix a bunch of UI/UX bugs that we uncovered after the last minor release. Thanks to everybody for testing and quick feedback!

github.com/jupyter-book...
Release myst-to-react@1.1.1 · jupyter-book/myst-theme
This brings in several UI and UX improvements that were noticed after the last minor release! Bugs fixed Hover preview cards to documents with metadata now work! #772 (@choldgraf, @bsipocz, @rowan...
github.com
January 29, 2026 at 8:42 PM
We're proud to announce a new release of the Jupyter Book stack! This brings in a number of fixes and UI improvements! Check out release notes for each here:

mystmd 1.8: github.com/jupyter-book...
myst-theme 1.1: github.com/jupyter-book...
jupyter-book 2.1.1: github.com/jupyter-book...
Release mystmd@1.8.0 · jupyter-book/mystmd
This brings in new functionality for execution concurrency, allowing you to control how many notebooks are executed in parallel during build in case you have notebooks that depend on one another or...
github.com
January 27, 2026 at 4:55 PM
The page-last-updated plugin is a MyST plugin to make it clear to readers when your content was updated on each page. Here's a little post about how it works and where to learn about more plugins like it!

blog.jupyterbook.org/posts/2026/p...
Introducing the `page-last-updated` plugin - Jupyter Book: Blog
Updates from the Jupyter Book subproject.
blog.jupyterbook.org
January 14, 2026 at 3:01 PM
The Jupyter Book team has been working hard on a big foundational improvement to how notebook outputs are represented in MyST documents. Steve writes about this change and what it means in this post:

blog.jupyterbook.org/posts/2025-1...
Jupyter Book V3 AST: Better Output Handling and Future Possibilities - Jupyter Book: Blog
Updates from the Jupyter Book subproject.
blog.jupyterbook.org
December 17, 2025 at 6:19 PM
The Jupyter Book gallery is back! Now with the MyST Engine under the hood! Thanks to @FreekPols for contributing it.

jupyterbook.org/latest/galle...
🖼️ Gallery of Jupyter Books - Jupyter Book
Jupyter Book technology has been applied across a wide range of use cases, including curricula vitae, official educational textbooks, student portfolios, lab manuals, and technical documentation.…
jupyterbook.org
November 21, 2025 at 6:39 PM
Reposted
We recently pushed Jupyter Book 2, which was a breaking change for many of our users! We considered publishing a completely different package (e.g., `jupyter-book2`) but decided against it. Here's a quick rationale why:
Why we made a major release for Jupyter Book 2 instead of creating a new package - Jupyter Book: Blog
Updates from the Jupyter Book subproject.
blog.jupyterbook.org
November 7, 2025 at 6:16 PM
We recently pushed Jupyter Book 2, which was a breaking change for many of our users! We considered publishing a completely different package (e.g., `jupyter-book2`) but decided against it. Here's a quick rationale why:
Why we made a major release for Jupyter Book 2 instead of creating a new package - Jupyter Book: Blog
Updates from the Jupyter Book subproject.
blog.jupyterbook.org
November 7, 2025 at 6:16 PM