v2.45.0 v2.44.0
pydantic/pydantic-aiSep 18, 2026 → Sep 17, 20260 days between releases
Generating AI comparison
Analyzing what changed between v2.45.0 and v2.44.0. This page updates automatically — usually within a minute.
The Two Releases
v2.45.0 (2026-09-17)
Sep 18, 2026· 1 month ago
This release introduces a new `TypeSafeModel` for TypeSafe's Jev and includes performance optimizations for durable runs. It also fixes compatibility issues with FastMCP 4 by removing legacy `httpx` imports and improves Bedrock support.
Full release notesv2.44.0 (2026-09-16)
Sep 17, 2026· 1 month ago
This release focuses on fixing four security vulnerabilities related to `web_fetch_tool`, `web_fetch`, and OpenTelemetry instrumentation, including fixes for IPv6 bypass and event loop blocking. It introduces new features such as Vercel AI SDK support and a stable serialized shape for `AgentRunResult`, alongside several compatibility updates.
Full release notes