This is what we always hoped SurrealDB would become

SurrealDB 4 has reached general availability alongside SurrealDB Earth, a serverless Cloudflare-based offering designed to provide isolated, automatically scaling database instances for large numbers of users and AI agents. The release introduces a rebuilt query engine, SurrealKV 1.0 storage engine replacing RocksDB, more than 240 fixes, and a test suite of over 4,500 SurrealQL files intended to improve production reliability and performance. SurrealDB now supports PostgreSQL and MySQL wire protocols for defined subsets of those SQL dialects while retaining SurrealQL and ISO GQL graph-query capabilities, enabling clients to use familiar SQL tools alongside multi-model document, graph, text, and vector-oriented queries. Its Agent Memory service is positioned as a managed way for agents to retrieve semantic similarities, relationships, and source content within a transaction, while SurrealDS provides distributed durable storage across disks, zones, and object storage for cloud multi-node and enterprise deployments. New deployments are encouraged to use version 4, whereas existing 3.x users are advised to wait for 4.1 for production upgrades or cautiously test the experimental one-way in-place migration process, with further SQL functions, database branching, forking, and rapid copies planned next.

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