v2.58.0 v1.107.8
pydantic/pydantic-aiOct 20, 2026 → Oct 20, 20260 days between releases
What's New
No new features introduced; security patch for MCP telemetry exposure already present in v2.58.0.
Bug Fixes
- Security patch for MCP request telemetry exposure (GHSA-xv4x-g8mx-ch56)
Upgrade Notes
No configuration changes required as the security fix is already included in the older version.
The Two Releases
v2.58.0 (2026-10-19)
Oct 20, 2026· 2 days ago
This release brings a wide array of new features including support for ChatGPT sign-in, ElevenLabs Agents, and message storage optimizations. It also resolves a security vulnerability in UI adapters and updates compatibility notes for DBOS workflows and RealtimeConnection.
Full release notesv1.107.8 (2026-10-19)
Oct 20, 2026· 2 days ago
This release focuses on a security fix addressing a vulnerability in MCP request telemetry that could expose sensitive data like server URLs and authorization tokens in OpenTelemetry traces.
Full release notes