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wire 2026-06-08
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PYDANTIC FIXES DEFAULT FACTORY VALIDATION BUG, SQLALCHEMY PATCHES ORM ISSUE

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

Viicos dependabot[bot]
2 people shipped this
Viicos @Viicos 1 cited dependabot[bot] @dependabot[bot] 1 cited

Pydantic shipped a fix for a validation edge case where default factories weren't receiving validated data, solving a real-world pattern that's been breaking in production.

Pydantic's default factory handling [1] now correctly passes validated field data to factories that need it, closing the loop on issue #13266 where validation context was getting lost. This is the kind of fix that looks small in the PR but catches developers who've been working around it with manual validation logic. SQLAlchemy 2.0.50 landed in SQLModel [2] with an ORM fix for joinedload combined with of_type() on joined-table subclasses, addressing a relatively narrow but high-impact case for polymorphic queries. If you're using either pattern, the chain stops breaking today.

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

the week in review Pydantic ships TypeForm support and MISSING stabilization the month in review Pydantic hardens core, FastAPI revamps docs
Topics: Python Full archive → Weekly reviews →

Quick answers

What shipped in FastAPI & Pydantic on June 8, 2026?
Pydantic shipped a fix for a validation edge case where default factories weren't receiving validated data, solving a real-world pattern that's been breaking in production. In total, 1 commits and 2 pull requests landed.
Who contributed to FastAPI & Pydantic on June 8, 2026?
2 developers shipped this update, including Viicos and dependabot[bot].
What were the notable FastAPI & Pydantic updates?
Handle missing errors with default factories taking validated data and ⬆ Bump sqlalchemy from 2.0.49 to 2.0.50.
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$ log FastAPI & Pydantic --recent

FastAPI & Pydantic: no material update 1 shipped Two new pydantic core schemas, counter and ordered-dict 8 shipped Pydantic docs examples stop passing silently, debug Python target lands in CI 6 shipped Pydantic documents how coordinated vulnerability response works for enterprise customers 2 shipped

$ log --all # elsewhere on the wire

@openclaw Cold-start Gateway diagnostics stop crying wolf, doctor repairs plugin drift Agentic Coding Cline desktop bundles shrink, goose unblocks its own clicks

$ ls showcases/

Rails Django Laravel Node.js Go Vercel Vue.js Kubernetes HashiCorp Arch Linux Linux Anthropic

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