MotherDuck

The newsletter compiles the month's key DuckDB ecosystem developments, including a new ADBC extension that lets DuckDB connect to over 30 external databases like Snowflake, Databricks, and PostgreSQL via Arrow-based zero-copy transfer, and a preview of DuckDB v2.0's asynchronous I/O engine that cut S3 Parquet query time 3x and CSV query time nearly 20x in benchmarks. It also covers an agent-native architecture pattern giving each AI agent its own embedded DuckDB instance for peer-to-peer analytical data exchange, plus new community projects like a self-hosted DuckDB-as-a-service UI and a GQL graph query extension.

Matters for: Engineers building multi-database analytics pipelines, teams querying remote object storage like S3 with Parquet or CSV, and developers designing multi-agent AI systems that need decentralized data access.