Tom Daffurn worked on the TBD54566975/ftl repository, focusing on optimizing the build process by refactoring stub generation in Go. He redesigned the build pipeline so that stub generation occurs only once per build, rather than multiple times within the build loop. This change, implemented through careful code generation and build systems expertise, moved stub creation to a single stage before the topological sort. The result was a more efficient and reliable build process, reducing redundant operations and minimizing the risk of inconsistent stubs across modules. Tom’s work improved maintainability and predictability in continuous integration environments through thoughtful refactoring.