crewAI 1.15.18 Improves Conversational Flows and Agent Stability
sdkaiengineerpython-agentic
feature patch
crewAI 1.15.18 introduces several new features focused on enhancing conversational flows and agent deployments within the framework. Key additions include promoting conversational flows to stable, expanded API capabilities, and improved reporting for project creation and run details. The update also resolves numerous bugs, addressing issues from tool result preservation to message rendering and task failure recording. These changes collectively boost the robustness, functionality, and observability for developers building AI agents and chat applications.
- →Promote conversational flows to stable
- →Record a created deployment with the given UUID
- →Enhance conversational flow documentation and APIs
- →Let a declaration name the router's response format
- →Let a chat flow declare its own state shape
Features (9) ›
- Promote conversational flows to stable
- Record a created deployment with the given UUID
- Enhance conversational flow documentation and APIs
- Let a declaration name the router's response format
- Let a chat flow declare its own state shape
- Accept crew-style LLM config in a conversational declaration
- Report project creation with the minted ID
- Record whether a run had inputs, without recording the inputs
- Backfill project ID from every user-invoked project command
Fixes (11) ›
- Preserve tool results when the final answer is empty
- Map default Claude Sonnet 4.6 to its 1M context window
- Raise Anthropic default max_tokens for large tool calls
- Render message content parts as text, not as a Python repr
- Keep message roles when Agent.kickoff gets a conversation
- Skip interception hooks on crewai-internal flows
- Record task failures as failures, not successes
- Emit the flow lifecycle on a suppressed resume
- Open the conversational TUI for a declarative chat flow
- Record crew_memory as a string, not a bool
- Always emit project_id so absent and empty stay distinct
Maintenance (1) ›
- Clarify Arize Phoenix observability docs
Read the original announcement →
https://github.com/crewAIInc/crewAI/releases/tag/1.15.18
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