Manticore Search 27.1.5: Authentication, sharded tables, conversational search and faster vector search (opens in new tab)

has been released. This release brings built-in authentication and authorization, sharded tables, conversational search, faster HNSW builds, better faceting and aggregations, and a long list of fixes across KNN, replication, protocol compatibility and other areas. This post is a catch-up for everything shipped from 25.0.1 through 27.1.5. Upgrade Notes Please review these before upgrading: 27.0.0 adds built-in auth/authz, and enabling it changes access assumptions. Auth is not enabled by defau...