Silent Regressions Have No Stack Trace: A Minimal Prompt Eval Harness
This story is from 2026-08-28. It is preserved in the archive; the latest stories are on the live feed.
A prompt regression is the only production bug that never throws an exception and never writes to your error log. When you change a prompt, the API still returns 200, the JSON still parses, and the latency chart still looks healthy, but the model quietly stops honoring a constraint it used to follo…
Read the full story at DEV Community — AI ↗
Timeline · 1 report
- 2026-08-28 04:16 · DEV Community — AI
Silent Regressions Have No Stack Trace: A Minimal Prompt Eval Harness