ClickHouse celebrated its 10th anniversary as an open source project at Open House 2026 Day 2, announcing the House Mates partner program with 60+ partners. Key ecosystem announcements include: Fivetran's ClickHouse Cloud destination going GA with 500+ sources, Sigma Computing's connector moving to public beta with a new ETL Cache Layer, ClickHouse becoming the first partner to build a dbt Fusion engine adapter, a native Apache Airflow provider coming soon, Notion adding native ClickHouse MCP connector for custom agents, the Python client (clickhouse-connect) reaching v1.0 with a native async client and major performance improvements, and the .NET stack going GA on NuGet. ClickStack also launched AI Notebooks and an MCP server for observability workflows. The project now has 2,600+ contributors and nearly 48,000 GitHub stars.
