All changes included in 1.8:

Regression fixes

• (#6607): Add missing beamer template update for beamer theme options: colorthemeoptions, fontthemeoptions, innerthemeoptions and outerthemeoptions.

• (#12625): Fire resize event on window when light/dark toggle is clicked, to tell widgets to resize.

• (#12657): Load Giscus in generated script tag, to avoid wrong-theming in Chrome.

• (#12780): keep-ipynb: true now works again correctly and intermediate .quarto_ipynb is not removed.

• (#13051): Fixed support for captioned Markdown table inside Div syntax for crossref. This is special handling, but this could be output by function like knitr::kable() with old option support.

Backwards-compatibility breaking changes

• (#13104): Remove posit-cloud as quarto publish destination. See https://docs.posit.co/cloud/whats_new/#october-2024 for details.

Dependencies

• Update bootstrap-icons to version v1.13.1 from v1.11.1.

Formats

html

• (#678): a11y - Provide appropriate aria-label to search button.

• (#726): a11y - Provide .screen-reader-only callout type when callout text doesn't naturally include the type.

• (#5538): Fix code-copy button style so that scrolling behaves properly.

• (#5879): Improve font rendering of kbd shortcode on macOS. kbd will now also be stricter in converting keyboard shortcuts to macOS icons.

• (#8568) Default inline code background color to the code block background color if not specified; foreground color is $pre-color in dark mode and (remains) purple in light mode.

• (#10983): Fix spacing inconsistency between paras and first section headings.

• (#11982): Ensure brand.yml logos are resolved correctly when document is in a subdirectory.

• (#12259): Fix conflict between html-math-method: katex and crossref popups (author: @benkeks).

• (#12341): Enable light and dark logos for html formats (sidebar, navbar, dashboard).

• (#12501): Enable source: file for brand.yml fonts in HTML.

• (#12643): Ensure brand.yml logos using urls are rendered correctly by passing them through when resolving brand processedData, and not processing them as paths.

• (#12734): highlight-style now correctly supports setting a different light and dark.

• (#12747): Ensure th elements are properly restored when Quarto's HTML table processing is happening.

• (#12766): Use consistent equation numbering display for html-math-method and html-math-method.method for MathJax and KaTeX (author: @mcanouil)

• (#12797): Allow light and dark brands to be specified in one file, by specializing colors with light: and dark:.

• (#12919): Ensure kbd shortcode output has hover tooltip.

• (#12981): Brand should be applied in dark mode when dark mode is enabled by the theme, not the brand.

• (#13004): Brand logo shortcode automatically applies .light-content and .dark-content classes, inserts both light and dark logo if brand mode is not specified, and uses alt text from brand logo spec.

revealjs

• (#10933): Revealjs supports alt text on logo, as well as customization of light and dark logos at the document level, consistent with other formats.

• (#12550): Revealjs supports brand-mode, allowing to select either the light or the dark brand.

• (#12598): Ensure .fragment on an image with caption applies to whole figure.

• (#12716): Correctly resolve "brand" set in theme configuration for document in subdirectory from project root.

• Use cdn.jsdelivr.net for mathjax dependencies to ensure consistent CDN usage across formats. Previously, cdnjs.cloudflare.com was used for revealjs mathjax dependencies, while cdn.jsdelivr.net was used for html format.

• #13316: code-line-numbers: "1" correctly highlight the first line now.

docx

• (#8392): Fix docx generation issues in tables

typst

• (#12180): Typst schema / autocomplete for logo option has path and alt.

• (#12554): CSS properties font-weight and font-style are translated to Typst text properties.

• (#12695): Resolve Typst font-paths that start with / relative to project root.

• (#12739): Remove unused variable heading-background-color and heading-decoration from Typst's templates. They are leftover from previous change, and not part of Brand.yml schema for typography of headings.

• (#12815): Do not crash when floats have no content.

• (#13119): Expose brand.logo metadata as Typst dictionaries.

• (#13133): Allow customization of light and dark logos at document level, consistent with other formats.

• (#13297): Ensure brand.yml logos are resolved correctly when Typst document is in a subdirectory.

beamer

• (#12775): Convert Quarto-native layouts (divs with layout syntax) to Beamer columns, equivalent to using the Pandoc-native syntax of div with columns and column classes.

pdf

• (#12732): Correctly detect missing definition files in multiline babel error for search package to auto-install.

hugo-md

• (#12676): Add support for rendering layout panels that are not floats.

docusaurus-md

• #13316: code-line-numbers: "1" correctly highlight the first line now.

markdown formats

• ([#12630])(https://github.com/quarto-dev/quarto-cli/issues/12630)): emit image element for video shortcodes targeting local videos.

Projects

website

• (#10284): a11y - Fix keyboard navigation for tabset panels when using an HTML theme. Tabs now properly receive keyboard focus.

• (#12551): Improve warning issued when aliases would overwrite an existing document.

• (#12616): find SVG images in image discovery for listings.

• (#12693): Prevent resource exhaustion on large websites by serializing NotebookContext information to file instead of the environment.

• (#12949): Ensure redirects preserve hash and search when possible.

Crossrefs

• (#12615): Adds algorithm to theorem environments. (author: @jeremy9959)

Lua Filters and API

• (#11750): Extend filter path resolution to support at/path filters from extensions.

• (#12727): Do not crash in the presence of malformed tabset contents.

• (#12806): Use pandoc APIs to handle codepage conversion on Windows.

• (#12811): Add support for YouTube Shorts in video shortcode.

• (#13112): Add quarto.format.format_identifier() API entry.

• (#13128): Avoid meta shortcode crash on bad input.

• (#13246): Add quarto.variables.get() and quarto.metadata.get() APIs.

Commands

inspect

• (#12733): Add installed extensions to quarto inspect project report.

add

• (#12627): Don't actually install extension when user responds yes to first prompt but no to second.

create

• (#12965): Prevent automatic opening of new editor sessions when creating projects in Posit Workbench context. The --open flag is now ignored in this environment to avoid issues with Workbench session management.

Extensions

• (#12559): New extension type: brand for distributing brand.yml configurations with associated assets.

Engines

• (#13171): Provide execution information to all engines uniformly via QUARTO_EXECUTE_INFO environment variable. It points to a file on disk containing a JSON object describing the execution environment for code cells to use.

jupyter

• (#12753): Support change in IPython 9+ and import set_matplotlib_formats from matplotlib_inline.backend_inline in the internal setup.py script used to initialize rendering with Jupyter engine.

• (#12839): Support for plotly.py 6+ which now loads plotly.js using a cdn in script as a module.

• (#13026, #13151), #13184: Use jsdelivr CDN for jupyter widgets dependencies.

knitr

• Correctly detect R binary on Windows when R_HOME is set - this fixes issue with quarto::quarto_render() that will now correctly use the same R version as the R session it is called from.

julia

• (#12870): Update julia engine from 0.17.0 to 0.17.3 to improve juliaup detection on Windows systems and correctly set Base.source_path() output to match REPL and script usage.

Languages

• (#13098): Fox a minor inappropriate phrasing in the Chinese localization of environment-proof-title (@sun123xyz).

Other fixes and improvements

• (#11321): Follow recommendation from LaTeX project and use lualatex instead of xelatex as the default PDF engine.

• (#12782): fix bug on safeRemoveDirSync's detection of safe directory boundaries.

• (#12853): fix replaceAll() escaping issue with embedded notebooks containing $ in their Markdown.

• (#12939): Upgrade mermaidjs to 11.6.0.

• (#13031): Add .quarto_ipynb files to .gitignore by default.

• (#13085): Avoid kbd shortcode crashes on unknown OS keys.

• (#13164): add julia to execute schema to allow autocomplete suggestions. (@mcanouil)

• (#13121): Allow contents shortcode to find inline elements.

• (#13216): Properly disable downlit (code-link) and enable code-annotations when non-R code blocks are present.

Quarto Internals

• (#13155): Process pandoc-reader-FORMAT raw blocks through pandoc.read(FORMAT).

• (#13255): Move some Lua code to use Pandoc's Lua API.