David Stutt is one of the founding engineers at WunderGraph, specializing in federation composition and schema governance. He is responsible for Cosmo's composition engine, creating features like @openfed__configureDescription for granular schema control, and works directly with customer teams to translate real-world federation challenges into practical solutions.
Learn the key differences between GraphQL Federation V1, V1.5, and V2. Understand how entities, value types, and directives like @external and @shareable evolved, and how routers interpret subgraphs across versions for composition compatibility.
Jens sits down with David and Sergiy to explore how composition and query planning evolved in Cosmo and why these two processes are inseparable.
Fine-tune GraphQL Federation schema composition with @openfed__configureDescription. Control which descriptions appear—and which do not.
To what extent should we compare ourselves to others? How can we channel differences positively?
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