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The Shadow Model Issued a Refund: 7 Mistakes That Make LLM Model Upgrades in .NET Riskier Than They Look

This story is from 2026-10-30. It is preserved in the archive; the latest stories are on the live feed.

"Let's shadow the new model first, then canary it." Everyone agrees with that sentence in planning. It sounds like the careful option, and it is, as long as the shadow can't do anything and the canary is the same set of users on every server. I built a model-upgrade pipeline for a .NET 10 support a…

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  1. 2026-10-30 12:56 · DEV Community — AI
    The Shadow Model Issued a Refund: 7 Mistakes That Make LLM Model Upgrades in .NET Riskier Than They Look

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