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wire 2026-09-28
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$ the-wire · showcase

FastAPI drops Permit.io from its sponsor roster

By RepoJournal · Filed · About FastAPI & Pydantic · Composed from the cited sources · methodology

Sebastián Ramírez latest-changes[bot]
2 people shipped this
Sebastián Ramírez @tiangolo 1 cited latest-changes[bot] @latest-changes[bot] 1 cited

FastAPI's only substantive change in the last day is a sponsor list edit, with the release notes regenerated to match.

🔧 Update sponsors: remove Permit.io (#16406) fastapi/fastapi

by Sebastián Ramírez

Sebastián Ramírez removed Permit.io from the sponsor section on the FastAPI site and README. Nothing in the framework's code or public API moves with it, so no dependency or upgrade path changes for anyone building on it.

📝 Update release notes fastapi/fastapi

by latest-changes[bot]

The bot-driven release notes were regenerated in the same window, carrying no source changes and marked [skip ci]. Nothing here affects what you install.

$ ls fastapi/reviews/ # the step-back reads

the week in review Pydantic drops Python 3.10, then layers serialization fast paths the month in review Five Pydantic validation bypasses and a quadratic URL check
Full archive → Weekly reviews →

Quick answers

What shipped in FastAPI & Pydantic on September 28, 2026?
FastAPI's only substantive change in the last day is a sponsor list edit, with the release notes regenerated to match. In total, 2 commits and 1 pull requests landed.
Who contributed to FastAPI & Pydantic on September 28, 2026?
2 developers shipped this update, including Sebastián Ramírez and latest-changes[bot].
What were the notable FastAPI & Pydantic updates?
🔧 Update sponsors: remove Permit.io (#16406) and 📝 Update release notes.
♥

$ log FastAPI & Pydantic --recent

Pydantic fixes GC tracking in pydantic-core and caches UTC TzInfo 50 shipped Pydantic drops Python 3.10, accepts list and DecimalTuple for Decimal 37 shipped Pydantic reworks `TypeAdapter` call arguments, tightens `Decimal` schemas 13 shipped FastAPI bumps pillow and dnspython, Pydantic corrects arguments JSON Schema 6 shipped

$ log --all # elsewhere on the wire

Agent Security Quiet day in agent security as guard coverage reaches four clients Alignment & Post-training verl defaults Ascend RL mode, open-instruct unblocks SFT packing

$ ls showcases/

Safety Evals AI Red Teaming Agent Security Interpretability Alignment & Post-training

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