Topic: TypeScript

A React app crashes. Sentry tells you it crashed. It does not tell you whose crash it is. You can usually work that out. It’s just a step nobody should have to do by hand.

This is the story of how we taught our error boundaries to tag the team that owns the screen, so the report answers that question on its own.

You bump a version, run install, and the project catches fire. That’s a React upgrade.

Half the bugs you find were already there — the rest is types, tests, and Claude Code keeping the investigation from eating you alive.