I don't just mean performance regressions. Someone upstream can change an API in... | Hacker News

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Touche on Jan 8, 2014 | parent | context | favorite | on: Scaling Mercurial at Facebook

I don't just mean performance regressions. Someone upstream can change an API in a way that doesn't fit well with your use-case, goes in and "fixes" your code (makes sure all the tests pass) to fit the new API but makes it less maintainable in the process.

thrownaway2424 on Jan 8, 2014 [–]

Teams (at Google) can't change calling code without the review and approval of the owners of the calling code, so what you state would not happen.

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