Who contributed to FastAPI & Pydantic on May 21, 2026?

2 developers shipped this update, including Will-thom and dependabot[bot].

What were the notable FastAPI & Pydantic updates?

📝 Update security policy (#15577), 📝 Update security policy (#1973), and 🌐 Improve translation consistency in `‎docs/pt/docs/advanced/generate-clients.md‎`.

FastAPI & Pydantic

FastAPI and the Pydantic + SQLModel async-Python stack

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FASTAPI AND SQLMODEL LOCK DOWN SECURITY POLICIES AS PYDANTIC BATTLES SPAM

By RepoJournal · Filed 06:04 UTC on May 21, 2026 · About FastAPI & Pydantic

2 people shipped this

Will-thom @Will-thom 1 cited

dependabot[bot] @dependabot[bot] 1 cited

Both FastAPI and SQLModel shipped updated security policies overnight, signaling a coordinated hardening across the Tiangolo ecosystem just as Pydantic deployed automated spam defenses.

FastAPI and SQLModel both formalized their security disclosure processes [1] [2], establishing clear channels for responsible vulnerability reporting. This move standardizes how critical issues flow through two of the most widely deployed Python frameworks in production environments. On the Pydantic side, the team implemented automated workflow to close spam PRs [5], a tactical shift that reflects growing maintenance burden across popular open source projects. SQLModel also bumped its security scanning action to zizmor 1.25.0 [4], tightening CI/CD hygiene. Meanwhile, FastAPI's Portuguese documentation saw consistency improvements [3], a steady signal that translation work continues across the ecosystem despite higher-priority security work.

Action items

→ Review FastAPI and SQLModel security policies to align your incident response procedures fastapi/fastapi [plan]
→ Verify your SQLModel CI/CD is using zizmor 1.25.0 or later for security scanning tiangolo/sqlmodel [monitor]

References

[1] 📝 Update security policy (#15577) fastapi/fastapi
[2] 📝 Update security policy (#1973) tiangolo/sqlmodel
[3] 🌐 Improve translation consistency in `‎docs/pt/docs/advanced/generate-clients.md‎` ↗ fastapi/fastapi
[4] ⬆ Bump zizmorcore/zizmor-action from 0.5.3 to 0.5.5 ↗ tiangolo/sqlmodel
[5] Add workflow to close spam PRs (#13211) pydantic/pydantic

Quick answers

What shipped in FastAPI & Pydantic on May 21, 2026?: Both FastAPI and SQLModel shipped updated security policies overnight, signaling a coordinated hardening across the Tiangolo ecosystem just as Pydantic deployed automated spam defenses. In total, 4 commits and 5 pull requests landed.
Who contributed to FastAPI & Pydantic on May 21, 2026?: 2 developers shipped this update, including Will-thom and dependabot[bot].
What were the notable FastAPI & Pydantic updates?: 📝 Update security policy (#15577), 📝 Update security policy (#1973), and 🌐 Improve translation consistency in `‎docs/pt/docs/advanced/generate-clients.md‎`.

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