Joomla! 4 smart search is an advanced search extension supporting auto index, content mapping with different smart search filters.
Smart search is now available in ui/Theme-Builder ^Pro v0.0.39 package.

Joomla smart search provides active indexing, you do not need to index each time when you add new content, all processes will be automatically done in the background. All ui/Theme-Builder pages can be visible on the Joomla 4 smart search index list.