[Release] crewaiInc/crewAI 1.15.7a1: 1.15.7a1

CrewAI 1.15.7a1 is a patch release addressing critical bug fixes and observability improvements. Key updates include fixing registry skills resolution through CrewAI+ client, recovering from GPT-5.6 tool errors, enabling tool calling on the Responses API, and preventing 404 errors for responses-only models. The release also adds skill usage event emission for better runtime observability and includes a security patch for a bedrock-agentcore dependency vulnerability.

Key Points

• •Fixed registry skills resolution through the runtime's CrewAI+ client for proper skill integration
• •Implemented error recovery for GPT-5.6 tools and reasoning_effort 400 errors to improve reliability
• •Enabled tool calling functionality on the Responses API path for broader API compatibility
• •Routed responses-only models correctly to prevent 404 errors and improve model handling
• •Patched bedrock-agentcore dependency to address CVE-2026-16796 security vulnerability
• •Added skill usage event emission at runtime for enhanced observability and monitoring
• •Updated documentation with snapshot and changelog for version 1.15.6

Workflow Diagram

Concepts