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1.9.3

crewAIInc/crewAI1.9.3Jan 30, 2026by lorenzejay

AI Summary

Feature-focused release adding A2A (Agent-to-Agent) protocol support including liteagent, authentication, transport negotiation, and file support. Also includes improvements to output handling and response model integration.

Key Highlights

  • Added A2A liteagent support
  • Added authentication for A2A protocol
  • Added transport negotiation
  • Added file support for A2A
  • Improved output handling in agents

New Features

  • A2A liteagent implementation
  • A2A authentication support
  • Transport negotiation for A2A
  • File support for A2A protocol

Full Release Notes

## What's Changed
Features
* feat: add a2a liteagent, auth, transport negotiation, and file support

Bug Fixes:
* fix: improve output handling and response model integration in agents