General Availability: pgvector 0.5.1 extension

We are announcing the general availability of the latest version of pgvector, pgvector 0.5.1\. This updated version includes support for HSNW indexing (Hierarchical Navigable Small World), l1\_distance, and sum aggregates which were previously introduced in version 0.5.0 and new performance improvements including improved index build time. The pgvector extension along with the new Azure AI extension greatly simplifies building Gen AI applications on Azure Database for PostgreSQL. [Learn more](https://techcommunity.microsoft.com/t5/azure-database-for-postgresql/introducing-the-azure-ai-extension-to-azure-database-for/ba-p/3980291). * Azure Database for PostgreSQL * Features * [ Azure Database for PostgreSQL](https://azure.microsoft.com/en-gb/products/postgresql/)