WPSOLR – AI & Elasticsearch Search for WordPress

WPSOLR replaces WordPress native search with fast, scalable AI and keyword search. Connect WordPress to modern search engines like Weaviate, Vespa.ai, Elasticsearch, OpenSearch, and Apache Solr using Docker or cloud services. Features include instant search results, autocomplete suggestions, faceted navigation, and content recommendations—on the frontend and in the WordPress admin.

• No more slow MySQL LIKE queries
• Built for large content sites, WooCommerce stores, and communities
• Works with AI, vector, hybrid, and keyword search engines

See WPSOLR in action: search 700,000 WordPress posts in real time. [youtube https://www.youtube.com/watch?v=sttS9fD6DnE] Core features

• Replaces WordPress search and archive queries (frontend & backend)
• Adds real-time search suggestions inside search bars
• Adds faceted search widgets (filters)
• Adds More-Like-This recommendation widgets on the frontend

24.2

• (new) Weaviate delete by post type
• (fix) Apache Solr/SolrCloud facet limit

24.1

• (new) New Opensearch search hosting with WPSOLR support

24.0.2

• (fix) Remove Monolog from dependencies

24.0.1

• (fix) Security patch
• (fix) Fatal error due to Monolog incompatible version detected with WordPress 6.7.2

24.0

• (fix) OpenSearch shard and replication
• (fix) OpenSearch logs warning

23.9.1

• (new) Vespa.ai vector/hybrid/keywords search

23.9

• (new) 60 seconds configuration wizard with free opensolr.com hosting

23.8

• (new) Related posts with Weaviate: retrieve semantically similar posts, with extra filters.
• (new) Related posts with Elasticsearch: retrieve text similar posts (More Like This), with extra filters.
• (new) Related posts with OpenSearch: retrieve text similar posts (More Like This), with extra filters.
• (new) Related posts with Solr: retrieve text similar posts (More Like This), with extra filters.
• (fix) Fix missing $ajax_delay_ms initialization

23.7

• (new) Add settings to use any jQuery-Autocomplete option with suggestions
• (new) Add post excerpt to boosts
• (new) Index taxonomy’s featured image url for helping catalog discovery in external tools like Algolia

23.6

• (new) Index featured image url for helping catalog discovery in external tools
• (fix) real-time indexing not working on creation
• (fix) SQL full-text search should not be executed
• (fix) Random sort with Elasticsearch
• (fix) Deprecated parse_str()

23.5

• (Fix) Solr syntax error with facets containing ” and ”
• (Fix) Facets containing “:” are not selected
• (fix) Facets javascript error in backend search when several views

23.4

• (deprecation) Deprecated Elasticsearch server 7.x version. Requires Elasticsearch server 8.x version
• (php client) Update Elasticsearch PHP client from version 7. to version 8.
• (new) Weaviate GPT4All vectorizer
• (new) Self-signed node certificate setting for docker OpenSearch SSL
• (new) Self-signed node certificate setting for docker Elasticsearch SSL
• (new) Self-signed node certificate setting for docker Apache Solr SSL
• (new) Self-signed node certificate setting for docker Weaviate SSL
• (new) Button to clone index settings
• (fix) Option to switch Solarium client from http to curl
• (fix) Weaviate slider (numeric and dates),and range, facets
• (fix) Weaviate sort on archive taxonomies

23.3

• Tested with PHP 8.1 and WordPress 6.2.2
• (new) Rerank Weaviate search results with the local cross-encoder transformers.
• (Fix) Taxonomy archives with duplicate term names.
• (Fix) Weaviate maximum number of facet items
• (Fix) Weaviate alphabetical sort of facet items

23.1

• Tested with PHP 8.1 and WordPress 6.2.2
• (new) Set horizontal/vertical orientation on views’ facets. For instance, choose horizontal facets on admin search and vertical on front-end search.
• (fix) Boost categories does not work
• (fix) Wrong archive results with duplicated category names
• (fix) Filters are wrongly showing results with partial matching
• (Fix) Fix some “utf-8-middle-byte” errors with mb_substr()

23.0

• (fix) Tested with PHP8.1
• (fix) Apply property tokenization to Weaviate indices, to prevent tokenization on facets.
• (fix) OpenSolr credentials error.