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The Tech Gazette

PyPI packages
Vol. I No. 26 Saturday, October 17, 2026 Closing 12:53 PM UTC · next edition 10:00 AM UTC

pydantic-ai releases

PyPI package, released from pydantic/pydantic-ai on GitHub · No. 293 of the most used PyPI packages in the paper's catalog
Also released from it: pydantic-ai-slim, pydantic-graph, pydantic-evals

Latest release the paper recorded: pydantic-ai-slim v2.57.0, Oct 16, 2026. Its newest GitHub release when last read: Oct 16, 2026.

Latest releases

Newest first, each linking to its notes on GitHub; the excerpt is the notes' own opening, where they have text.

  1. Oct 16, 2026pydantic-ai-slim v2.57.0
    From the release notesWhat's Changed Compatibility Notes Attach namespaced origin and tool call id metadata to BackgroundTools completions by @michaeldunn9 in https://github.com/pydantic/pydantic ai/pull/10196 Take GPT Live realtime history,…
  2. Oct 13, 2026pydantic-ai-slim v2.56.0
    From the release notesWhat's Changed Compatibility Notes Run BrowserUse on the host model by default and make browser use telemetry opt in by @mpfaffenberger in https://github.com/pydantic/pydantic ai/pull/9506 Features Let Skills layer proje…
  3. Oct 9, 2026pydantic-ai-slim v2.55.0
    From the release notesWhat's Changed Compatibility Notes Require Python 3.11 or newer in every package; Python 3.10 installs resolve to 2.54.0 and earlier by @Kludex in https://github.com/pydantic/pydantic ai/pull/9526 Record the tool request…
  4. Oct 3, 2026pydantic-ai-slim v2.54.0
    From the release notesWhat's Changed Compatibility Notes Handle draft 7 list form items in JsonSchemaTransformer , TestModel and Mistral streamed output, and make TestModel accept boolean subschemas and cap prefixItems at maxItems by @dsfacci…
  5. Oct 2, 2026pydantic-ai-slim v2.53.0
    From the release notesSecurity This release fixes one security issue in ConcurrencyLimitedModel . See the advisory for full details and affected versions. GHSA 6fqq 452j qhrp (high): a streamed request through ConcurrencyLimitedModel or limit…
  6. Sep 30, 2026pydantic-ai-slim v1.107.7
    From the release notesSecurity A maintenance release for the v1 line, carrying the v1 backport of the security fix released in 2.52.0 . See the advisory for full details and affected versions. GHSA v36g jcw9 x7cw (moderate): converting attack…
  7. Sep 25, 2026pydantic-ai-slim v2.51.0
    From the release notesWhat's Changed Compatibility Notes Match dated gemini 3.8 live ids, reject google affective dialog on Gemini 3.1 Flash Live and 3.8 Live at connect, and raise RealtimeError for Gemini Live close codes by @DouweM in https…