FastAPI 0.124.0 comes with better server error tracebacks. ✨

Before, if the app sent invalid data back, the server error logs would not show where the problem was. 😔

Now it shows the (clickable) file, line, function, and path operation. 📢

Thanks @savostrowski! 🙌
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Replying to @FastAPI
@FastAPI @savostrowski There are too many lines in the loguru.logger.python error log. Can you optimize it in the framework?

Dec 6, 2025 · 3:51 PM UTC

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