5 production bugs I debugged in popular AI libraries this week (and the fix patterns you can steal)
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If you're building anything with LangChain, OpenAI's Python SDK, or LangGraph in production, you've probably run into the same class of bugs that have been quietly breaking real apps for months. Over the last week I dug through ~70 open issues across these libraries while doing client debugging work, and there are five patterns that come up constantly - each with a non-obvious root cause and a 5-line fix. Here they are, ranked by how much pain they cause. 1.