●Change8

Migrating to Pydantic v1.10.24

Version v1.10.24 introduces 1 breaking change. This guide details how to update your code.

Released: 9/25/2025

1
Breaking Changes
2
Migration Steps
1
Affected Symbols

⚠️ Check Your Code

If you use any of these symbols, you need to read this guide:

pydantic.mypy

Breaking Changes

●Issue #1

Pydantic V1 is incompatible with Python 3.14+. Core behavior will silently break at runtime on this version.

Migration Steps

  1. 1
    Ensure environments remain on Python < 3.14 when using Pydantic V1.
  2. 2
    Update mypy to v1.18 if using the Pydantic mypy plugin.

Release Summary

This release introduces a warning for Python 3.14 incompatibility and fixes a plugin issue for mypy v1.18.

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View the full release notes and all changes for Pydantic v1.10.24.

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