TL;DR

Hugo now supports AVIF image format, improving image compression and quality for modern browsers.

Breaking

• HTML content is disallowed by default (security enhancement). This may require adjustments to your templates if you were relying on direct HTML insertion.

New

• AVIF Image Support: Adds support for the modern AVIF image format.
• Improved Config Handling: Empty maps are now preserved in your site configuration.
• Go 1.26.3: Hugo has been upgraded to Go 1.26.3 (programming language).

Fixes Worth Knowing

• Fixed issues with Git information for modules in subdirectories.
• Corrected resource placeholder rendering (:counter).
• Resolved a bug preventing symlink reads, enhancing security.
• Fixed import issues when migrating from Jekyll (static site generator).
• Improved handling of front matter parameters.
• Table of Contents (TOC) generation now skips empty levels.

Before You Upgrade

• Review your templates for direct HTML insertion and adjust accordingly, as HTML is now disabled by default.