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wire 2026-08-14
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PYDANTIC PATCHES PYODIDE LOCKFILE DEPENDENCY

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

Victorien
1 person shipped this
Victorien @Viicos 2 cited

Pydantic fixed a Pyodide lockfile issue that was blocking WebAssembly builds.

Pydantic shipped a targeted fix to resolve Pyodide lockfile problems [1]. The patch addresses a dependency configuration issue that affects developers building Pydantic applications for WebAssembly environments. This is a narrow but critical fix for the subset of teams running Pydantic in browser contexts via Pyodide. The PR came in with 1 commit across the core repo [2]. If you're not actively targeting WASM, this doesn't impact your stack. If you are, pull this immediately.

Action items

References

  1. [1] Fix Pyodide lockfile (#13654) ↗ pydantic/pydantic
  2. [2] Fix Pyodide lockfile ↗ pydantic/pydantic

$ 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 August 14, 2026?
Pydantic fixed a Pyodide lockfile issue that was blocking WebAssembly builds. In total, 1 commits and 1 pull requests landed.
Who contributed to FastAPI & Pydantic on August 14, 2026?
1 developer shipped this update, including Victorien.
What were the notable FastAPI & Pydantic updates?
Fix Pyodide lockfile (#13654) and Fix Pyodide lockfile.
♥

$ 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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