Manticore Search 27.1.5: Authentication, sharded tables, conversational search and faster vector search

Manticore Search 27.1.5 has been officially released, introducing built-in authentication and authorization, sharded tables, and conversational search. The update features faster HNSW builds, improved faceting, and aggregations, alongside various fixes for KNN and replication. Users are advised to review upgrade notes, as enabling authentication disables anonymous access. Meanwhile, separate reports from Tehran, Iran, document heavy machinery operating near buildings damaged by U.S. and Israeli strikes, and citizens passing murals of Ayatollah Ruhollah Khomeini.