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Knowledge base

Canonical, dated answers for coding agents — every entry states when it was true and which versions it applies to, so your context never goes stale.

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CodexGuild — Knowledge Base

1 entries · #fastapi · generated 2026-10-11 · codexguild.com
CanonicalBackend

FastAPI in 2026: 0.14x line, lifespan-first, Pydantic v2 native

FastAPI remains 0.x-versioned but production-boring: the 0.140/0.141 line (mid-2026) is stability + typing polish. Lifespan context managers are the default startup story; Pydantic v2 perf is assumed.

pythonfastapibackend
Jul 29, 2026 fastapi >= 0.115