- **[IMPORTANT]** Comments are now a separate Source (if you are using Comments for any Post Type Source you *will need to edit your Engine and rebuld your index*, this is not done automatically and should be planned for when updating)
- **[New]** Refactored indexer for stability, reliability, and performance optimization
- **[New]** `searchwp\index\update_entry` action when an Entry is updated in the Index
- **[New]** `searchwp\debug\front_end_summary` filter to control whether the HTML comment summary is output when debugging is enabled
- **[New]** `wp searchwp reindex` WP-CLI command
- **[New]** `wp searchwp diagnostics` WP-CLI command
- **[New]** Primary keys added to database tables *for new installs* where previously there were none
- **[New]** Adds `$query` property to `\SWP_Query` to reference underlying query object
- **[New]** `searchwp\source\comment\parent_attribution\strict` hook to control whether SearchWP is strict about parent attribution which can introduce overhead in some cases
- **[New]** SearchWP will now generate more expected variations of regex pattern matches
- **[New]** `searchwp\tokens\generate_parttern_match_variations` filter to control whether additional pattern match variations are generated during indexing
- **[New]** Ability to enter custom ignored queries for Statistics (with wildcard `*` support)
- **[New]** Ability to automatically trim Statistics logs
- **[New]** Notice when WordPress available memory can be improved
- **[New]** Export/import now optionally includes Settings, Stopwords, and Synonyms
- **[New]** All ACF fields are displayed in the Custom Fields dropdown when applicable, not only ACF "Repeatables"
- **[New]** Synonyms actions: Sort ASC, Sort DESC, Clear
- **[Change]** Refines default data indexed for Taxonomy Terms to be: taxonomy name, term name, term slug, and term description
- **[Change]** Abstracts Statistics Dashboard Widget from `jquery-ui-tabs`
- **[Improvement]** Indexer auto-scaling when server load is high
- **[Improvement]** Handling of HTML-formed content during indexing
- **[Improvement]** Integration of partial matches and keyword stemming
- **[Improvement]** Indexer delta trigger specificity in some cases
- **[Improvement]** Document processing handling, footprint
- **[Improvement]** Highlighting when a suggested search has been returned
- **[Fix]** Prevent duplicate results during weight transfer in some cases
- **[Fix]** `AND` logic restriction, performance in some cases
- **[Fix]** Persistent dismissal of missing integration notice
- **[Fix]** Synonyms management in some cases
- **[Update]** Dependencies
- **[Update]** Translation source
- **[Update]** Interface updates and refinements