Arroyo is coming up on its one-year anniversary as an open-source project, and we've got something big planned. Our next release, 0.10, will feature an entirely new SQL engine built around Apache Arrow and the DataFusion SQL toolkit. New to Arroyo?Arroyo is an open-source stream processing engine, enabling users to transform, filter, aggregate, and join their data streams in real-time with SQL queries. It's designed to be easy enough for any SQL user to build correct, reliable, and scalable stre...