Does CODEOWNERS actually hold up in a large monorepo, or does it turn into review theatre?

Ownership files decay faster than org charts. What separates working CODEOWNERS from rubber-stamp theatre is hygiene: team aliases, stale-owner linting, and keeping review routing apart from paging.

Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.

Ownership files decay faster than org charts. What separates working CODEOWNERS from rubber-stamp theatre is hygiene: team aliases, stale-owner linting, and keeping review routing apart from paging.

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