Version (Release date)  Major changes Min Redis
Min cluster
v2.4 (March 2022) Vector Similarity Search (VSS). New query syntax Dialect version 2. Choose between Dialect 1 and Dialect 2 for query parser behavior. Hybrid queries. 6.0.0 6.0.0
v2.2 (November 2021) Search and index JSON documents. Profiling queries. Field aliasing. 6.0.0 6.0.0
v2.0 (September 2020) Automatically indexes data based on a key pattern. Scale a single index over multiple Redis shards. Improved query performance. 6.0.0 6.0.0
v1.6 (January 2020) Improved performance of full-text search and aggregation queries. Support for aliasing of indices. Added a C API to embed RediSearch in other modules. Forked process garbage collection. 4.0.0 5.0.0
v1.4 (August 2018) Conditional updates. Schema modification. Query spelling correction. Phonetic matching. More fuzziness in search. Retrieve and change runtime configuration. Unlimited autocomplete results. 4.0.0 5.0.0
v1.2 (June 2018) Aggregation filters. Query attributes. Fuzzy matching. Conditional updates. Backslash escaping. Synonyms support. 4.0.0 5.0.0
v1.1 (April 2018) Aggregations engine. 4.0.0 5.0.0
v1.0 (April 2018) Hamming distance scoring. Wildcard queries. Optional deletion of documents in FT.DEL. Optionally keep document hashes in FT.DROP. Delete geo-sets when dropping an index. Tag prefix completion support. 4.0.0 5.0.0