This version is built with Go 1.21.1 which contains some relevant security fixes for the html/template package, see Issue 62196 and Issue 62197. This is the main reason Hugo 0.119.0 is released sooner rather than later. But this release also comes with a dependency refresh and some useful image processing improvements:

A new general-purpose Process method and filter. A new Opacity filter.

Release …

This release is mostly motivated by the fix for the panic experienced by people having blackfriday configured as defaultMarkdownHandler (#9968). The Blackfriday support was removed in Hugo v0.100.0 after being deprecated with a warning for a long time.

v0.100.1 fix panic with markdownify/RenderString with shortcode on Page with no content file.

$page.RenderString (see #6703) finally supports …

Fix server regression for multihost sites (multiple languages with different baseURLs).

Release Notes on GitHub.