Simon Willison • 1/4/2026

Quoting Addy Osmani

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The article shares a profound quote from Addy Osmani on API design, drawn from his 14-year tenure at Google. It argues that with widespread use, all behaviors become dependencies, making compatibility work a core product responsibility, not mere maintenance. The core lesson is that designing for deprecation with proper tooling and empathy is as critical as the initial API design.

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#api design #software engineering #deprecation
Quoting Addy Osmani

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