MCP Servers

LangChain v1.3.11 is a patch release that fixes tool handling for OpenAI-compatible models by conditionally setting strict=True only when appropriate in ProviderStrategy. The release includes dependency updates for pydantic-settings, vcrpy, and langsmith, along with improved documentation for summarization prompt contracts.

OpenClaw v2026.6.9 is a major release featuring enhanced Telegram delivery with rich HTML and markdown support, improved agent recovery through better retry and session history handling, stronger Codex integration with automatic plugin approvals and OAuth routing, standalone official provider plugins as npm packages, and more capable web and native clients with new UI features. The release includes 422 merged PRs addressing security, runtime stability, channel reliability, storage optimization, and operational improvements across the platform.

OpenClaw v2026.6.9-beta.1 introduces significant improvements across Telegram delivery with rich HTML support, more dependable agent recovery with enhanced retry mechanisms, stronger Codex integration with automatic plugin approvals, standalone official provider plugins as npm packages, and more capable web/native clients with new UI features. The release includes 375 merged PRs addressing security, runtime stability, channel reliability, storage optimization, and provider behavior. Key fixes enhance session recovery, plugin management, and cross-platform client functionality.

Claude Code v2.1.183 introduces significant safety improvements by blocking destructive commands (git reset, terraform destroy, etc.) unless explicitly requested, adds deprecation warnings for models, and includes the new `attribution.sessionUrl` setting to control commit/PR attribution. The release fixes multiple critical bugs including WebSearch failures in subagents, TUI corruption in Windows Terminal, and tmux teammate pane issues, while improving configuration management with `/config --help` and better toggle behavior.

Google ADK Python v2.3.0 introduces significant enhancements including async/concurrency guidelines, mTLS support in AgentRegistry, GCS first-party toolset integration, and improved Live API handling for Gemini 3.1 models. The release adds enterprise parameter migration, remote sandbox support via E2BEnvironment, and per-request OpenTelemetry configuration. Multiple bug fixes address event handling, authentication, schema sanitization, and dependency management across core, CLI, evaluation, and integration modules.

Claude Code v2.1.181 introduces configuration shortcuts via `/config` syntax, improved streaming and retry mechanisms, enhanced subagent panel management, and fixes for prompt caching, file operations, and macOS compatibility. The release addresses startup performance regressions, network resilience, and numerous UI/UX improvements across interactive mode, Remote Control, and subagent workflows.

Claude Code v2.1.178 introduces enhanced permission rules with parameter matching syntax, improved nested `.claude/` directory handling for skills and workflows, and refined auto mode with pre-launch subagent evaluation. The release includes better error messaging for Remote Control, improved `/doctor` output, and numerous bug fixes addressing subagent transcript display, authentication issues, and vim mode undo behavior.

Google ADK Python v1.35.1 is a bug fix release addressing two critical issues: grounding metadata handling for 3.1 live interactions and streaming frame completion. The release ensures proper metadata transmission at turn boundaries and guarantees final partial frames are correctly yielded in streaming scenarios.

OpenClaw v2026.6.7-beta.1 delivers significant improvements across channel delivery, provider resilience, security boundaries, and recovery paths. Key enhancements include tighter Slack/Telegram integration, better model handling for Kimi/Mistral/DeepSeek/Anthropic, safer auth contexts, and improved failure recovery for agents and cron jobs. The release also strengthens UI/docs accessibility, Docker bundling, and QA validation with new scorecard taxonomy artifacts.

langchain-openai version 1.3.1 release includes documentation updates, test improvements for deserialization and streaming, package version tracking enhancements, and bug fixes for tool call normalization and structured output handling. Key changes focus on improving type checking, tracing metadata, and test coverage across the LangChain ecosystem. The release maintains compatibility while strengthening internal validation and documentation standards.

langchain-anthropic version 1.4.6 release includes critical fixes for file-search results confinement and tightened Anthropic allowed_prefixes validation. The release also incorporates package version tracking in tracing metadata, upgraded mypy to 2.1, enhanced tool call chunk validation during streaming, and improved test robustness for gateway base URLs. Key improvements focus on security, type safety, and testing reliability across the LangChain-Anthropic integration.

LangChain version 1.3.9 has been released with updates to the Anthropic integration (1.4.6) and security improvements. The release includes a fix that confines file-search results and tightens the `allowed_prefixes` configuration for Anthropic, enhancing security and control over file access patterns. This is a minor patch release following version 1.3.8.

OpenClaw v2026.6.6 is a security and stability-focused release that substantially tightens security boundaries across transcripts, sandboxing, and multiple integrations while improving Telegram delivery reliability, iMessage recovery, and browser/MCP connectivity. The release also enhances Control UI performance through cached metadata and lazy loading, expands provider support with OpenRouter OAuth and Claude Fable 5, and includes numerous fixes for agent recovery, channel delivery, and authentication. Key improvements span security hardening, messaging platform reliability, performance optimization, and provider compatibility.

LangChain v1.3.8 release includes documentation improvements, type system enhancements, and bug fixes across the monorepo. Key updates involve replacing double backticks in docstrings for consistency, adding overloads to `create_agent`, improving async middleware decorator typing, and tightening structured output model fallbacks. The release also includes mypy version bump to 2.1 and unified type-check configuration across the project.

Claude Code v2.1.174 release includes UI improvements for model selection, fixes for environment variable inheritance in background sessions, corrections to Bedrock GovCloud region handling, and enhanced usage attribution tracking in VSCode. The update addresses multiple edge cases affecting model display, authentication, and performance, particularly for enterprise users with specialized billing configurations.

OpenClaw v2026.6.6-beta.2 is a security-focused beta release that substantially tightens security boundaries across transcripts, sandboxing, and MCP integrations while improving Telegram delivery reliability, iMessage recovery, browser/MCP connectivity, and Control UI startup performance. The release expands provider support with OpenRouter OAuth and Claude Fable 5, introduces observability enhancements for diagnostics, and fixes critical issues in agent session recovery, channel delivery, and authentication. Multiple infrastructure improvements address performance bottlenecks, plugin management, and build reliability.

crewAI v1.14.7 introduces pluggable backends for memory, knowledge, RAG, and flow management, along with a native Snowflake Cortex LLM provider and chat API for conversational flows. The release includes significant bug fixes for checkpoint restoration, telemetry, file input handling, and security vulnerabilities. Performance improvements focus on lazy-loading docling imports to speed up crewai imports, while refactoring decouples conversational logic and splits flow.py into modular components.

langchain-core version 1.4.5 introduces validation for tool call chunks during streaming, fixes an async tracer fallback issue in sync contexts, and tightens structured output model fallbacks. This release improves streaming reliability and error handling for chat models and structured outputs.

langchain-core version 1.4.6 introduces package version tracking in tracing metadata for better observability, fixes normalization of v1 streamed tool calls in OpenAI integration, and upgrades mypy to 2.1 with unified type-checking configuration across the monorepo. This release enhances tracing capabilities, improves tool call handling consistency, and strengthens code quality standards.

langchain-model-profiles version 0.0.6 is a maintenance and feature release that includes validation of tool call chunks during streaming, dependency updates across multiple packages (langsmith, urllib3, langchain-core), security patches (pygments CVE-2026-4539), and infrastructure improvements. The release encompasses 80+ commits with focus on stability, testing enhancements, and schema validation for model profiles. Key additions include new model profile fields (text_inputs, text_outputs), improved streaming support with content-block-centric v2, and various bug fixes across partner integrations.