Why did Stripe build Sorbet? (~2017)

Many hypergrowth companies of the 2010s battled increasing complexity intheir codebase by decomposing their monoliths.Stripe was somewhat of an exception, largely delaying decomposition untilit had grown beyond three thousand engineers and had accumulated a decade of development in its core Ruby monolith.Even now, significant portions of their product aremaintained in the monolithic repository, and it’s safe to say this was only possiblebecause of Sorbet’s impact.

Sorbet is a custom static...