Additions and improvements
* Added support for rich search previews
* Added support for tokenizer lookahead
* Added support for better search highlighting
* Added support for excluding content from search
* Added support for configurable search pipeline
* Added support for offline search via offline plugin
* Added support for multiple instances of built-in tags plugin
* Added support for removing copy-to-clipboard button
* Added support for removing footer navigation
* Added support for button to view the source of a page
* Improved readability of query string for search sharing
* Improved stability of search plugin when using --dirtyreload
* Improved search result group button, now sticky and stable
* Updated Norwegian translations
* Updated MkDocs to 1.4.2
Removals
* Removed deprecated alternative admonition qualifiers
* Removed :is() selectors (in output) for easier overriding
* Removed .title suffix on translations
* Removed legacy method for providing page title in feedback URL
* Removed support for indexing only titles in search
* Removed support for custom search transforms
* Removed support for custom search workers
* Removed temporary snow feature (easter egg)
Fixes
* Fixed Norwegian and Korean language code
* Fixed detection of composition events in search interface
* Fixed search plugin not using title set via front matter
* Fixed search highlighting of tags
* Fixed search sharing URL using post transformed string
* Fixed theme-color meta tag getting out-of-sync with palette toggle
* Fixed prev/next page keyboard navigation when footer is not present
* Fixed overflowing navigation tabs not being scrollable
* Fixed inclusion of code block line numbers from search
mkdocs-material-8.5.11+insiders-4.27.0 (2022-12-20)
* Added built-in typeset plugin to preserve formatting in sidebars
* Added URL and table of contents support for blog categories