“We want to get rid of the 20% of our codebase that looks and behaves differently to the rest of our codebase. If we do that, our code becomes extremely predictable. It becomes much easier to write our prompts, and also to review our code.”

— Jo Kelly-Fenton, Spotify · The Biggest Tool - Standardization

Quote · infoq.com

From “Rewriting All of Spotify’s Codebase All the Time”, found 2026-10-14.

Take

Standardization as a concurrency tool: when every component looks the same, one fleet-wide change and its review scale across all of them.