v2.52.0 v1.107.7
pydantic/pydantic-aiSep 30, 2026 → Sep 30, 20260 days between releases
What's New
Newer release (v1.107.7) fixes token usage extraction, while older release (v2.52.0) introduced Workspaces and bundled harness.
Improvements
- Fixes moderate security vulnerability in local web_fetch tool (GHSA-v36g-jcw9-x7cw)
Bug Fixes
- Caps genai-prices below 0.1 to ensure token usage extraction and limits work correctly
Upgrade Notes
v1.107.7 is a maintenance release for the v1 line, whereas v2.52.0 introduced Workspaces. Ensure you are on the correct major version line before upgrading.
The Two Releases
v2.52.0 (2026-09-29)
Sep 30, 2026· 22 days ago
This release introduces the concept of 'Workspaces' for unified file and command execution, bundles `pydantic-ai-harness` into the main repository, and adds support for new sandbox environments and AI models.
Full release notesv1.107.7 (2026-09-29)
Sep 30, 2026· 22 days ago
A maintenance release for the v1 line addressing a security vulnerability in the local web_fetch tool and fixing a token usage extraction issue.
Full release notes