MCP Servers

Claude Code v2.1.84 introduces PowerShell tool support for Windows, enhanced environment variable controls for model configuration, new hooks for task and worktree creation, and numerous bug fixes and performance improvements. Key additions include idle timeout configuration, channel plugin allowlists, deep link improvements, and better MCP server handling. The release also addresses critical issues with voice input, workflow subagents, and terminal rendering while improving startup performance and prompt cache efficiency.

langchain-openrouter version 0.2.0 introduces the `app_categories` field for marketplace attribution and updates model profile data across multiple iterations. The release includes dependency bumps for langchain-core (minimum 1.2.21), schema validation improvements, and CI/CD optimizations. Key changes focus on enhancing model profile management, fixing missing ModelProfile fields, and improving the development workflow.

Claude Code v2.1.83 introduces significant improvements to policy management, environment reactivity, security, and user experience. Key additions include a drop-in directory for managed settings, new hook events for environment changes, transcript search functionality, and enhanced subprocess credential scrubbing. The release addresses numerous stability issues, performance regressions, and UI glitches while improving startup latency and memory usage across various platforms.

OpenAI Agents Python v0.13.1 introduces support for the any-llm adapter, enabling flexible multi-LLM routing with responses-compatible integration. This release includes critical bug fixes for realtime response handling, function tool conversion, and MCP metadata preservation. The update enhances stability and extends model provider compatibility while improving example robustness.

LangChain Core version 1.2.22 was released with a critical fix for path validation in prompt save and load operations. The update deprecates certain methods related to prompt handling to improve security and API consistency. This patch addresses validation issues that could affect prompt persistence workflows.

OpenClaw v2026.3.23 is a maintenance release focused on stability and bug fixes across browser automation, authentication, plugins, channels, and gateway components. Key improvements include fixing Chrome MCP session handling, ClawHub macOS authentication, skill browsing token resolution, message tool schema validation, model pricing recursion, and numerous provider-specific issues. The release also addresses security concerns with exec approvals and improves gateway supervision and probe handling.

langchain-core version 1.2.21 is released with bug fixes and maintenance updates. Key changes include adding missing ModelProfile fields with schema drift warnings, removing obsolete blockbuster allowlist references, and CI improvements for pytest output suppression. This patch release addresses core functionality gaps and improves development workflow stability.

OpenClaw v2026.3.22-beta.1 introduces significant breaking changes including plugin SDK restructuring, removal of legacy Chrome extension relay, standardized image generation tools, and enhanced security measures. The release modernizes package management with ClawHub integration, adds marketplace support for Claude and Codex bundles, and implements new sandbox backends (OpenShell and SSH). Multiple security improvements address environment variable injection, webhook authentication, and contact search vulnerabilities.

OpenClaw v2026.3.22 is a major release with significant breaking changes focused on modernizing plugin architecture, standardizing tool paths, and improving security. Key updates include migrating from the legacy extension API to a new public plugin SDK, replacing the Chrome extension relay with native session management, standardizing image generation tools, and implementing stricter sandbox security controls. The release also introduces ClawHub integration for package management, new marketplace support, and enhanced plugin discovery mechanisms.

OpenAI Agents Python v0.13.0 is a minor release that updates the default Realtime websocket model to gpt-realtime-1.5, expands MCP server capabilities with resource management and session tracking, and introduces opt-in reasoning content replay for chat completions. The release includes critical runtime stability fixes for concurrent writes, tool removal edge cases, and batch executor races, with no breaking changes.

Claude Code v2.1.81 introduces the `--bare` flag for scripted calls, adds `--channels` permission relay for mobile approval forwarding, and fixes critical issues with OAuth re-authentication, voice mode reliability, and WebSocket connection handling. The release also improves MCP tool collapsing, plugin freshness tracking, and Remote Control session management while addressing numerous edge cases and race conditions across authentication, terminal UI, and bash command execution.

Claude Code v2.1.80 introduces rate limit visibility in statusline scripts, inline plugin marketplace sourcing via settings.json, and enhanced effort level control through frontmatter. The release fixes critical issues with parallel tool results restoration, voice mode WebSocket failures, and API proxy compatibility. Performance improvements include ~80 MB memory savings on large repositories and better responsiveness for file autocomplete and UI interactions.

OpenAI Agents Python v0.12.5 release includes enhancements to MCP (Model Context Protocol) integration with exposed authentication and HTTP client factory parameters, improved error recovery for streamed nested agent outputs, and fixes for resource closure and timeout handling in isolated sessions. The release focuses on reliability improvements for agent streaming and MCP communication.

OpenAI Agents Python v0.12.4 release includes critical bug fixes for MCP (Model Context Protocol) tool invocations, retry logic improvements, and SQLite session memory handling. The update normalizes cancelled MCP invocations into tool errors, adds resilience for transient HTTP failures, fixes custom table name support in AdvancedSQLiteSession, and caps jittered retry delays. Documentation improvements and CI hardening were also included.

Claude Code v2.1.78 introduces enhanced plugin state persistence, improved terminal notifications in tmux environments, and streaming response text. The release fixes critical issues including sandbox security vulnerabilities, API error handling loops, permission rule enforcement, and various UI/UX problems across VS Code, terminal modes, and voice functionality.

langchain-anthropic version 1.4.0 introduces prompt caching middleware for system messages and tool definitions, delegates cache_control parameters to Anthropic's top-level configuration, and includes dependency updates. This release enhances caching efficiency for Anthropic integrations in LangChain by providing explicit control over cached content and streamlining parameter handling.

OpenAI Agents Python v0.12.3 release includes two critical bug fixes: handling inner MCP tool cancellations as tool errors and serializing streamable-HTTP MCP requests per session. The release also includes documentation updates and minor typo corrections. Two new contributors joined the project with their first contributions.

langchain-anthropic version 1.3.5 release includes bug fixes for cache handling, eager input streaming support, and tool choice behavior when thinking is enabled. Key improvements focus on Anthropic integration stability, performance optimizations for dependency checks, and updated model profiles. The release also updates dependencies including langgraph and langgraph-checkpoint to newer versions.

OpenClaw v2026.3.13-beta.1 is a pre-release featuring significant UI/UX improvements across Android and iOS onboarding, enhanced browser automation with Chrome DevTools MCP support, and numerous stability fixes. Key improvements include redesigned chat settings, first-run welcome flows, batched browser actions, and critical security patches for device pairing and webhook authentication. The release maintains macOS app version compatibility for future non-beta releases.

OpenClaw v2026.3.13 is a major release featuring significant UI/UX improvements across Android and iOS platforms, enhanced browser automation capabilities with Chrome DevTools MCP support, and numerous stability fixes. Key improvements include redesigned chat settings, first-run onboarding flows, batched browser actions, timezone configuration for Docker, and critical fixes for memory leaks, session management, and authentication handling across multiple integrations.