Quarto 1.8 Pre-Release

Published

January 8, 2026

Quarto 1.8 includes the following new features:

Improvements to brand support:
- Light and dark colors: Specify light and dark for any color in a brand specification.
- Light and dark logos: Specify light and dark versions of logos in a brand specification.
- Brand extensions: Share brand definitions and assets across Quarto projects.
- Dark brand for format: revealjs: Specify brand-mode: dark to apply your dark brand to your presentation.
HTML Accessibility Checks: Add the axe option to HTML formats to perform accessibility checks with the Axe-core engine.
Access execution settings from code cells: Read the QUARTO_EXECUTE_INFO environment variable to access information about execution context.
Access metadata and variables in filters and shortcodes: Use the new quarto.variables.get() and quarto.metadata.get() APIs.
The default LaTeX engine is now lualatex.

Dependency updates:

See the Pre-Release Download Page for a complete list of all the changes and bug fixes.