crewAI

What's Changed

Features

• Add support for custom persistence key in @persist
• Add Responses API support for Azure OpenAI provider
• Forward credential_scopes to Azure AI Inference client
• Add Vertex AI workload identity setup guide
• Add Tavily Research and get Research
• Add You.com MCP tools for search, research, and content extraction

Bug Fixes

• Fix fall through when JSON regex match isn't valid JSON
• Fix to preserve tool_calls when response also contains text
• Fix to forward base_url and api_key to instructor.from_provider
• Fix to warn and return empty when native MCP server returns no tools
• Fix to use validated messages variable in non-streaming handlers
• Fix to guard crew chat description helpers against LLM failures
• Fix to reset messages and iterations between invocations
• Fix to forward trained-agents file through replay and test
• Fix to honor custom trained-agents file at inference
• Fix to bind task-only agents to crew for multimodal input_files
• Fix to serialize guardrail callables as null for JSON checkpointing
• Fix renaming of force_final_answer to avoid self-referential router
• Fix bump of litellm for SSTI fix; ignore unfixable pip CVE

Documentation

• Update changelog and version for v1.14.4a1
• Add E2B Sandbox Tools page
• Add Daytona sandbox tools documentation

Contributors

@EdwardIrby, @dependabot[bot], @factory-droid-oss, @factory-droid[bot], @greysonlalonde, @kunalk16, @lorenzejay, @lucasgomide, @manisrinivasan2k1, @mattatcha, @vinibrsl

What's Changed

Features

• Add lifecycle events for checkpoint operations
• Add support for e2b
• Fall back to DefaultAzureCredential when no API key is provided in Azure integration
• Add Bedrock V4 support
• Add Daytona sandbox tools for enhanced functionality
• Add checkpoint and fork support to standalone agents

Bug Fixes

• Fix execution_id to be separate from state.id
• Resolve replay of recorded method events on checkpoint resume
• Fix serialization of initial_state class references as JSON schema
• Preserve metadata-only agent skills
• Propagate implicit @CrewBase names to crew events
• Merge execution metadata on duplicate batch initialization
• Fix serialization of Task class-reference fields for checkpointing
• Handle BaseModel result in guardrail retry loop
• Preserve thought_signature in Gemini streaming tool calls
• Emit task_started on fork resume and redesign checkpoint TUI
• Use future dates in checkpoint prune tests to prevent time-dependent failures
• Fix dry-run order and handle checked-out stale branch in devtools release
• Upgrade lxml to >=6.1.0 for security patch
• Bump python-dotenv to >=1.2.2 for security patch

Documentation

• Update changelog and version for v1.14.3
• Add 'Build with AI' page and update navigation for all languages
• Remove pricing FAQ from build-with-ai page across all locales

Performance

• Optimize MCP SDK and event types to reduce cold start by ~29%

Refactoring

• Refactor checkpoint helpers to eliminate duplication and tighten state type hints

Contributors

@MatthiasHowellYopp, @akaKuruma, @alex-clawd, @github-actions[bot], @github-advanced-security[bot], @greysonlalonde, @iris-clawd, @lorenzejay, @mattatcha, @renatonitta

What's Changed

Features

• Add checkpoint resume, diff, and prune commands with improved discoverability.
• Add from_checkpoint parameter to Agent.kickoff and related methods.
• Add template management commands for project templates.
• Add resume hints to devtools release on failure.
• Add deploy validation CLI and enhance LLM initialization ergonomics.
• Add checkpoint forking with lineage tracking.
• Enrich LLM token tracking with reasoning tokens and cache creation tokens.

Bug Fixes

• Fix prompt on stale branch conflicts in devtools release.
• Patch vulnerabilities in authlib, langchain-text-splitters, and pypdf.
• Scope streaming handlers to prevent cross-run chunk contamination.
• Dispatch Flow checkpoints through Flow APIs in TUI.
• Use recursive glob for JSON checkpoint discovery.
• Handle cyclic JSON schemas in MCP tool resolution.
• Preserve Bedrock tool call arguments by removing truthy default.
• Emit flow_finished event after HITL resume.
• Fix various vulnerabilities by updating dependencies, including requests, cryptography, and pytest.
• Fix to stop forwarding strict mode to Bedrock Converse API.

Documentation

• Document missing parameters and add Checkpointing section.
• Update changelog and version for v1.14.2 and previous release candidates.
• Add enterprise A2A feature documentation and update OSS A2A docs.

Contributors

@Yanhu007, @alex-clawd, @github-actions[bot], @greysonlalonde, @iris-clawd, @lorenzejay, @lucasgomide