← All releases

1. v1.20.0

   Dec 15, 2025

   GitHub release ↗PyPI 1.20.0 ↗

   🎉 First-time contributors@davidpadbury

   ✦ Features 2

   • add AgentResult to AfterInvocationEventhooks
   • Create agent.md and docs folderagent

   ⊘ Fixes 3

   • Return structured output JSON when AgentResult has no textagent
   • fix broken tool spec with composition keywordstool
   • close mcp client event loopmcp

   ⋯ Other 7

   • Remove toolResult message when toolUse is missing due to pagination in session managementsessions
   • interrupts - swarmmultiagent
   • bidi - fix record direct tool calltool
   • Update doc strings to eliminate warnings in doc build
   • bidi - tests - lint
   • bidi - fix mypy errors
   • bidi - remove python 3.11+ features

← Olderv1.19.0Newer →v1.21.0