Multi-Agent Systems

crewAI 1.14.2a3 is a patch release introducing a deploy validation CLI and improved LLM initialization ergonomics. The release addresses critical security vulnerabilities in pypdf, uv, and requests libraries, plus fixes for Bedrock tool arguments, strict mode schema sanitization, and test flakiness. Documentation updates include enterprise A2A feature clarifications and OSS A2A improvements.

crewAI 1.14.2a2 introduces a checkpoint TUI with tree view and fork support, enhances LLM token tracking with reasoning and cache tokens, and adds checkpoint forking with lineage tracking. The release includes bug fixes for strict mode forwarding to Anthropic and Bedrock providers, and hardens the NL2SQLTool with read-only defaults and query validation. Key additions include the `from_checkpoint` parameter for kickoff methods and embedding `crewai_version` in checkpoints with a migration framework.

This cookbook demonstrates building a Slack data analyst bot using Claude Managed Agents and Bolt for Python. Users mention the bot with a CSV file to receive narrative analysis reports in-thread, with support for multi-turn follow-ups within the same session. The implementation handles file uploads, streams agent progress updates, and manages session persistence across Slack threads.

crewAI 1.14.1rc1 introduces async checkpoint TUI browser and streaming output enhancements, along with critical security updates and architectural improvements. Key changes include CVE-2026-1839 resolution via transformers bump, dynamic tool field exclusion, and refactored provider architecture using BaseModel discriminators. The release focuses on async/streaming capabilities, security hardening, and code quality improvements across the framework.

crewAI 1.14.1 introduces async checkpoint TUI browser functionality and improves streaming output handling with async context managers. The release includes critical security updates (CVE-2026-1839 fix via transformers bump), bug fixes for checkpoint registration and tool name sanitization, and architectural refactoring to use dynamic field exclusion and shared singleton patterns. Key improvements enhance developer experience through better CLI tooling and provider type discrimination.

crewAI v1.14.2a1 is a patch release addressing critical security and event handling issues. Key improvements include fixing the flow_finished event emission after HITL (Human-In-The-Loop) resume operations, upgrading cryptography to version 46.0.7 to patch CVE-2026-39892, and refactoring to use a shared I18N_DEFAULT singleton for better internationalization management.

crewAI 1.14.0 introduces checkpoint management with CLI commands and SqliteProvider storage, implements runtime state checkpointing with an event system, and refactors the executor. Security enhancements include SSRF/path traversal protections and RAG tool validation. The release also optimizes memory serialization by excluding embedding vectors and addresses critical CVE-2026-35030 via litellm upgrade.

CrewAI v1.13.0 introduces significant architectural improvements including RuntimeState RootModel for unified serialization, enhanced event telemetry for skills and memory, and A2UI extension support. The release includes critical bug fixes for GPT-5.x model compatibility, RBAC permission alignment, and Windows lancedb compatibility. Performance optimizations reduce framework overhead through lazy event bus implementation and conditional tracing.

crewAI v1.13.0a7 is a minor alpha release introducing A2UI extension support for v0.8/v0.9 with comprehensive schemas and documentation. The release includes bug fixes for multimodal vision prefixes by adding GPT-5 and o-series model support. This update enhances the framework's UI capabilities and model compatibility for advanced vision tasks.

OpenClaw v2026.4.1-beta.1 introduces significant enhancements across chat, web search, cloud integrations, and channel management. Key additions include a native `/tasks` background task board, SearXNG web search provider, Amazon Bedrock Guardrails support, and improved Feishu document collaboration. The release also addresses critical fixes for task management, execution approvals, session routing, and channel-specific issues to improve stability and user experience.

crewAI v1.13.0a3 introduces token usage tracking in LLM events and tool metadata publishing to AMP. The release includes bug fixes for GPT-5.x model compatibility, comprehensive documentation updates on SSO configuration and agent capabilities, and significant refactoring converting Flow and LLM classes to Pydantic BaseModel with improved type annotations.

crewAI v1.13.0a4 is a minor alpha release that updates the changelog and version documentation from v1.13.0a3. This release represents incremental progress in the 1.13.0 alpha development cycle. The update was contributed by @greysonlalonde and focuses on maintaining accurate release documentation.

crewAI v1.13.0rc1 is a release candidate update that includes documentation improvements, specifically updating the changelog and version information for v1.13.0a2. This is a pre-release version preparing for the full 1.13.0 stable release. The release was contributed by @greysonlalonde.

crewAI releases version 1.13.0a1 with critical bug fixes addressing documentation workflow issues and cache management for enterprise releases. The update includes comprehensive RBAC permissions documentation and deployment guides. Key improvements focus on Node.js LTS stability and package publishing reliability.

crewAI releases version 1.13.0a2, an alpha release focusing on deployment automation and enterprise reliability improvements. The release includes auto-update functionality for deployment test repositories during release cycles and enhanced resilience mechanisms for enterprise deployments. Documentation has been updated to reflect the new version and changelog entries.

crewAI v1.12.0a3 is a patch release addressing critical bugs in credential handling for trace batch operations and the HITL (Human-in-the-Loop) flow system. The release includes documentation updates to reflect version changes from v1.12.0a2. This alpha version continues stabilization efforts for the 1.12.0 release cycle with contributions from @akaKuruma and @greysonlalonde.

CrewAI 1.12.0a1 introduces native OpenAI-compatible provider support (OpenRouter, DeepSeek, Ollama, vLLM, Cerebras, Dashscope), agent skills, and automatic hierarchical memory isolation via root_scope. The release includes Arabic language support for documentation and tooling, a new docs-check command, and significant refactoring to decouple from LiteLLM while resolving mypy type-checking errors across all packages.

crewAI v1.11.1 introduces a flow_structure() serializer for Flow class introspection and addresses multiple security vulnerabilities by updating dependencies (pypdf, tinytag, langchain-core). Key fixes include preserving full LLM config during HITL resume for non-OpenAI providers, preventing path traversal in FileWriterTool, and resolving crashes in lock_store when redis is unavailable. The release also includes documentation improvements for custom tools and event listeners, plus refactoring to replace urllib with requests and improve type serialization.

OpenAI Agents Python v0.12.2 is a maintenance release that fixes two critical issues: orphan hosted shell calls during multi-turn replay and normalized input list handling for filtered handoff follow-ups. The release includes documentation updates and improves the stability of agent interactions in complex conversation scenarios.

OpenClaw v2026.3.12 introduces major UI/dashboard improvements with modular views, fast-mode toggles for OpenAI and Anthropic models, provider-plugin architecture for Ollama/vLLM/SGLang, Kubernetes deployment support, and subagent session control. The release includes 30+ fixes addressing security vulnerabilities (device pairing, plugin auto-load, Unicode obfuscation), model compatibility issues (Kimi Coding, OpenRouter, Moonshot), chat deduplication across platforms (Slack, Telegram, iMessage, Mattermost), and infrastructure stability (session discovery, plugin caching, Windows updates).