MCP Servers

OpenClaw v2026.5.28-beta.2 delivers major stability and safety improvements across agent runtime recovery, channel delivery, mobile/chat surfaces, and provider coverage. Key enhancements include steadier subagent workspace separation, safer session identity handling across multiple channels (Matrix, Slack, Discord, Teams, etc.), broader mobile UI refresh, stricter input validation, expanded provider support (Claude Opus 4.8, Fal Krea, NVIDIA models), and faster CLI/auth failure detection with clearer recovery paths.

OpenClaw v2026.5.28-beta.1 delivers major stability and safety improvements across agent runtime recovery, channel delivery, mobile/chat surfaces, CLI/auth tooling, and performance optimization. Key enhancements include steadier subagent workspace separation, safer session identity handling across plugins and messaging platforms, broader mobile UI refresh with state preservation, faster CLI failure modes with clearer recovery guidance, and reduced repeated work in hot paths through improved caching. The release also expands documentation, adds ClawHub plugin features, and strengthens QA/E2E validation with bounded logging and cross-OS artifact handling.

Claude Code v2.1.154 introduces Opus 4.8 with dynamic workflows for orchestrating multi-agent tasks, fast mode at reduced costs, and a lean system prompt as default. Key improvements include enhanced safety controls, better plugin management with directory-aware suggestions, and numerous bug fixes for background sessions, terminal rendering, and MCP server handling. The release also deprecates legacy environment variables and improves the user experience across multiple platforms including Bedrock, Vertex, and Chrome integration.

Claude Code v2.1.153 introduces Git LFS skip options, improved terminal environment variable handling, enhanced agent autocomplete, and numerous bug fixes. Key improvements include better MCP server handling, fixed memory leaks in session resumption, improved background agent stability, and better Windows update rollback support. The release also refines the model picker behavior to save defaults and fixes various UI/UX issues across macOS, Windows, and terminal environments.

langchain-perplexity version 1.3.1 has been released with updates to the Perplexity AI integration. The primary change involves bumping the underlying `perplexityai` dependency to version 0.34.1. This release maintains compatibility with the LangChain ecosystem while ensuring the latest Perplexity AI client library features and fixes are available.

OpenClaw v2026.5.26 is a major release focused on performance, reliability, and security. Key improvements include faster Gateway startup through caching, transcript-backed meeting summaries as a core feature, production-ready channels (Telegram, iMessage, WhatsApp, Discord, Signal), enhanced voice/Talk capabilities with real-time inspection, and stronger content boundaries with SSRF policy enforcement. The release also hardens installation/update paths, improves observability with Activity tabs and OpenTelemetry spans, and stabilizes provider integrations.

OpenClaw v2026.5.26-beta.2 introduces significant performance improvements through caching and transcript-backed architecture, expands production-ready channels (Telegram, iMessage, WhatsApp, Discord, Signal), enhances voice and real-time Talk capabilities with better inspection and control, strengthens security boundaries across content handling and authentication, and improves observability with new Activity tab and OpenTelemetry spans. The release hardens installation/update paths and adds reaction approval support across mobile platforms.

LangChain v1.3.2 is a maintenance release that includes dependency updates, bug fixes, and feature enhancements. Key improvements include PII redaction in streaming middleware, final answer handling in TodoListMiddleware, stream transformer registration, and updated model references. The release requires langgraph>=1.2.2 and includes security updates for dependencies like idna and langsmith.

OpenClaw v2026.5.26-beta.1 delivers significant performance improvements through reply optimization and metadata caching, enhances voice and multi-channel capabilities with realtime Talk inspection and improved channel support (Telegram, iMessage, WhatsApp, Discord, Signal), strengthens agent safety with better auth and sandbox handling, and introduces new observability features including Activity tabs and OpenTelemetry LLM spans. The release also replaces Sharp with Rastermill for image processing, adds transcript capture support, and hardens installation/update reliability across Windows, macOS, and Docker platforms.

OpenAI Agents Python v0.17.4 introduces support for Realtime custom voice objects and includes multiple bug fixes and improvements. Key updates address function tool recovery, HTTP client hardening for MCP SSE transport, span data handling, and enhanced tracing exports. The release improves error handling with JSON payload redaction and expands the public API with additional MCP-related type exports.

OpenClaw v2026.5.24-beta.2 introduces significant performance optimizations across Gateway, caching, and lazy-loading mechanisms, while expanding real-time capabilities for Discord voice and WebUI interactions. New features include iMessage thumb-approval reactions, adaptive image compression, a Meeting Notes plugin for Discord voice capture, and enhanced CLI/onboarding workflows. The release also includes extensive documentation improvements, diagnostics enhancements for observability, and Plugin SDK modernization with deprecated target helpers.

OpenClaw v2026.5.24-beta.1 introduces significant performance optimizations across the Gateway layer through caching and lazy-loading strategies, adds real-time collaboration features for WebUI and Discord voice callers, expands the Meeting Notes plugin with Discord integration, and includes extensive documentation improvements and CLI enhancements. Key additions include adaptive image compression, improved diagnostics with sanitized telemetry, and refined sub-agent bootstrap context management. The release also modernizes the Plugin SDK with updated messaging APIs and adds new maintainer tooling for bug-sweep workflows.

OpenClaw v2026.5.22 is a performance and stability release focused on optimizing Gateway startup, improving plugin metadata caching, and lazy-loading unused components. The release includes extensive documentation updates across channels, configuration, and troubleshooting; new features like meeting-notes plugin support and enhanced session management; and QA improvements including observability enhancements and runtime parity audits. Dependencies are refreshed and several SDK contracts are added for embeddings and session workflows.

OpenClaw v2026.5.22-beta.1 is a comprehensive release focused on documentation improvements, performance optimizations, and QA enhancements. Key updates include reducing package size by excluding documentation assets, improving model listing performance by ~4,100x through auth-state pre-warming, adding session pagination to the chat UI, and expanding QA-Lab test coverage with new runtime parity scenarios. The release also refines plugin SDK capabilities, updates dependencies including protobufjs to 8.4.0, and clarifies configuration guidance across multiple integrations (WhatsApp, Telegram, Discord, xAI/Grok, etc.).

Google ADK Python v1.34.1 is a bug fix release addressing three critical issues: grounding metadata being silently discarded in Gemini 3.1 live, incorrect input/output transcription finished events for Gemini v3.1, and session drops occurring when MCP tools encounter errors. These fixes improve reliability and data integrity for Gemini integrations and tool-based workflows.

Claude Code v2.1.149 introduces enhanced usage analytics with per-category breakdowns, improved keyboard navigation in diff views, and GFM task list rendering. The release includes enterprise features for MCP connectors and fixes numerous security vulnerabilities in PowerShell execution, sandbox permissions, and file system operations. Additionally, UI/UX improvements address transcript freezing, argument hints, and feedback reporting for better debugging in long sessions.

Claude Code v2.1.147 introduces significant improvements to background session management, renames the `/simplify` command to `/code-review` with enhanced bug detection capabilities, and delivers numerous bug fixes across the auto-updater, shell tools, PowerShell integration, and UI rendering. Key enhancements include better session persistence, improved diff performance, and fixes for enterprise login enforcement. The release addresses 40+ issues spanning headless mode compatibility, plugin management, and cross-platform stability.

langchain-tests version 1.1.9 was released with improvements to streaming assertions that now allow extra content blocks, dependency updates including idna bump from 3.11 to 3.15, and infrastructure hardening for Dependabot version-bound preservation. This release focuses on test framework enhancements and dependency management across the LangChain standard-tests library.

OpenClaw v2026.5.20 is a maintenance and feature release that enhances Discord voice session handling with context awareness, adds device-code OAuth for xAI, introduces a bundled Policy plugin for workspace conformance checks, and includes numerous bug fixes across CLI tasks, provider integrations, and agent configurations. Key improvements focus on security (symlink validation, plaintext secret warnings), reliability (task maintenance tracking, image timeouts, hook timeouts), and user experience (model pinning clarity, typing indicators, Discord button preservation).

OpenClaw v2026.5.20-beta.2 introduces significant improvements to Discord voice sessions with context-aware profile integration, adds device-code OAuth for xAI provider authentication, implements a bundled Policy plugin for workspace conformance checks, and includes numerous bug fixes across CLI tasks, Codex app-server, provider integrations, and agent message handling. The release enhances security by removing legacy skill-file compatibility paths and warning about plaintext secrets in configuration, while improving stability through better error handling, timeout management, and diagnostic reporting.