Open House 2026 Day 1: real-time data without lock-in and what teams can build next

The ClickHouse Open House 2026 Day 1 event introduced a series of significant advancements and new features across various domains including ClickHouse Cloud, AI agents, observability, Postgres, and lakehouse interoperability. Key announcements highlighted the public beta release of ClickHouse Postgres, which boasts over 5x more transactions per second than AWS RDS, and multi-stage distributed queries that have halved the TPC-H SF100 runtime. The ClickHouse Cloud introduced updates enhancing resilience, observability, and developer tooling, along with cross-region replication for improved failover capabilities. AI-driven improvements included the public beta of ClickHouse Agents, allowing for a native chat experience and a no-code agent builder, while Langfuse V4 promised a 200x performance boost in query handling. Integration updates also included write support for Microsoft OneLake and Unity Catalog, enabling seamless workflows between ClickHouse and external lakehouse systems. The event also announced the private preview of ClickStack Cloud, a serverless observability platform built on ClickHouse, emphasizing scalability and automatic optimization of telemetry data. Additionally, the introduction of the House Mates partner program aims to foster collaboration and innovation across technology, services, and reseller tracks. Overall, the announcements underscore ClickHouse's commitment to flexibility, performance enhancements, and user control in real-time data systems.