MCP Servers

Claude Code v2.1.118 introduces vim visual mode selection, consolidates `/cost` and `/stats` into `/usage`, enables custom themes with JSON editing, and allows hooks to invoke MCP tools directly. The release includes significant improvements to MCP OAuth authentication, auto mode configuration with defaults merging, and numerous bug fixes across WSL integration, plugin management, credential handling, and remote sessions.

crewAI 1.14.3a3 introduces e2b support and Azure credential fallback functionality while addressing a critical security vulnerability in lxml. The release achieves a ~29% improvement in cold start time through lazy-loading optimizations of MCP SDK and event types. Documentation updates include removal of pricing FAQs across all locales.

Claude Code v2.1.117 introduces significant improvements to subagent forking, MCP server handling, model selection persistence, and plugin management. The release includes performance optimizations for startup and file searches, enhanced OpenTelemetry observability, and numerous bug fixes across OAuth, WebFetch, proxy handling, and context window calculations. Key additions include experimental Advisor Tool improvements, native build optimizations using embedded tools, and better error handling for plugin dependencies and marketplace enforcement.

crewAI v1.14.3a2 introduces support for AWS Bedrock V4 and Daytona sandbox tools while expanding documentation with an AI-native 'Build with AI' page across multiple languages. The release includes critical bug fixes for event propagation, batch initialization, task serialization, and guardrail handling, plus a security update to python-dotenv. This alpha release enhances the platform's capabilities for AI agent development with improved infrastructure support and developer resources.

OpenClaw v2026.4.20-beta.2 is a major release featuring UI/UX improvements to the onboarding wizard, strengthened agent prompts, tiered model pricing support, session maintenance optimizations, and numerous provider-specific enhancements for OpenAI, Anthropic, Moonshot Kimi, and other integrations. The release includes 40+ fixes addressing security, transport normalization, thinking mode handling, and plugin dependency management.

OpenClaw v2026.4.20 is a major release featuring UI/UX improvements to the onboarding wizard, enhanced agent prompts with better completion bias and verification, support for tiered model pricing including Moonshot Kimi models, session maintenance optimizations to prevent memory issues, and numerous fixes across plugins, APIs, and provider integrations. Key improvements include streaming thinking in Mattermost, better group-specific system prompts in BlueBubbles, and refined reasoning model handling across OpenAI GPT-5 and other providers.

OpenClaw v2026.4.20-beta.1 introduces significant improvements to the onboarding wizard UI, strengthens default agent prompts, adds tiered model pricing support, and enhances session maintenance with automatic pruning. The release includes numerous fixes for provider integrations (OpenAI, Anthropic, Moonshot), plugin lifecycle management, and security hardening across multiple components including SSRF guards and environment variable isolation.

Google ADK Python v1.32.0 release addresses critical security vulnerabilities and improves SDK compatibility. Key updates include blocking RCE attacks via nested YAML configurations, upgrading the Vertex SDK version, disabling bound tokens for MCP tools, and fixing web OAuth flow and trace view functionality. This release prioritizes security hardening and stability improvements for the AI agent development platform.

Claude Code v2.1.116 delivers significant performance improvements, enhanced user experience features, and critical bug fixes. Key updates include 67% faster session resumption for large files, improved MCP startup performance, smoother terminal scrolling, and a more informative thinking spinner. The release also strengthens security measures, fixes terminal rendering issues across multiple platforms, and resolves API stability problems.

Claude Code v2.1.113 introduces a native binary CLI replacing bundled JavaScript, enhances security with improved sandbox controls and bash rule matching, and fixes numerous UI/UX issues including fullscreen scrolling, multiline input navigation, and markdown rendering. Key improvements include faster /ultrareview with parallelization, better subagent error handling with 10-minute timeouts, and expanded Remote Control client capabilities. The release also addresses critical bugs in session management, MCP tool handling, and cross-platform compatibility.

langchain-anthropic version 1.4.1 is a maintenance and feature release that includes support for Claude Opus 4.7 features and adaptive thinking mode, fixes for null encrypted_content in compaction blocks, dependency updates (langsmith 0.7.31, pytest 9.0.3), and security patches for Pygments CVE-2026-4539. The release also updates model profiles and improves documentation with typo fixes.

crewAI 1.14.2 introduces checkpoint management features including resume, diff, and prune commands with lineage tracking and forking capabilities. The release enhances LLM token tracking with reasoning and cache tokens, improves CLI ergonomics for deploy validation and template management, and fixes multiple security vulnerabilities across dependencies. Key improvements include scoped streaming handlers to prevent data contamination, recursive glob for checkpoint discovery, and better HITL (Human-in-the-Loop) resume event handling.

Google ADK Python v1.31.0 introduces significant enhancements including Vertex AI Agent Engine Sandbox integration for computer use, Firestore support, and improved memory management with VertexAiMemoryBankService. The release adds user agent tracking to Parameter and Secret Manager clients, includes live session tracking in LlmResponse, and resolves multiple bugs related to event callbacks, BigQuery plugin issues, and authentication headers. Several refactoring improvements modernize the live session API and update MCP Toolbox documentation.

langchain-core version 1.3.0a3 is released with improvements to streaming metadata, chat model invocation parameters, SSRF security hardening, and various bug fixes. Key updates include checkpoint namespace behavior preservation for backwards compatibility, enhanced traceable metadata for chat models and LLMs, and fixes for OpenAI responses API conversion. The release includes dependency updates (pytest 9.0.3) and security patches for CVE-2026-4539 related to Pygments.

langchain-huggingface version 1.2.2 is a maintenance release that hardens hostname validation and rejects URLs in repo_id fields. The release includes security updates (CVE-2026-4539 via pygments), dependency bumps for langsmith, pytest, aiohttp, and other packages, and performance improvements like avoiding unnecessary HuggingFace API calls for local endpoints. Key changes focus on stability, security, and dependency management across the HuggingFace partner library.

OpenClaw v2026.4.15 is a major release featuring Claude Opus 4.7 as the default Anthropic model, new Google Gemini text-to-speech support, a Model Auth status card for OAuth health monitoring, cloud storage support for LanceDB memory, and GitHub Copilot embedding provider integration. The release includes numerous stability fixes across gateway tools, agent replay recovery, Docker builds, Matrix E2EE, memory management, and channel integrations, plus packaging improvements to reduce bundle size and plugin runtime dependencies.

OpenClaw v2026.4.15-beta.2 introduces Anthropic model updates with Claude Opus 4.7 as the default and new Gemini text-to-speech support in the Google plugin. The release includes improvements to gateway tool handling with enhanced security for local media tool-result passthrough and stricter validation of client tool definitions. Key enhancements focus on model defaults, TTS capabilities, and tool registration robustness.

langchain-openai version 1.1.14 was released with a critical security fix for SSRF (Server-Side Request Forgery) vulnerabilities in image token counting. The release includes dependency updates for pytest, langsmith, and pillow libraries. This patch addresses potential security risks when processing images through the OpenAI integration.

LangChain Core version 1.2.30 has been released with security improvements and bug fixes. The primary change includes hardening of private SSRF (Server-Side Request Forgery) utilities to enhance security. This is a patch release following version 1.2.29, focusing on stability and protection against potential security vulnerabilities.

Claude Code v2.1.110 introduces significant UI/UX improvements including a new `/tui` command for flicker-free fullscreen rendering, push notification capabilities, and enhanced plugin management. The release includes numerous bug fixes addressing MCP server reliability, session management, and performance issues, plus improvements to command accessibility from Remote Control clients and better handling of distributed tracing.