← All releases

1. v1.19.0

   Dec 3, 2025

   GitHub release ↗PyPI 1.19.0 ↗

   🎉 First-time contributors@qmays-phdata

   ✦ Features 1

   • add experimental steering for modular prompting

   ⊘ Fixes 2

   • avoid KeyError in direct tool calls with contexttool
   • attached custom attributes to all spans

   ⋯ Other 5

   • hooks - before node call - cancel nodehooks
   • interrupts - support falsey responses
   • Bidirectional Streaming Agentbidirectional-streaming
   • mcp - elicitation - fix server request testmcp
   • adjust integ test system prompts to reduce flakiness

← Olderv1.18.0Newer →v1.20.0