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 Nice update on tracebacks. Makes debugging a lot clearer, especially with validation errors. Curious if there are plans for further enhancements in logging?

Dec 6, 2025 · 6:41 PM UTC

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