Tool Use

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.

langchain-anthropic version 1.4.4 is released with a critical fix for cross-provider tool-call ID normalization, improved test reliability through retry logic for transient failures, and multiple dependency updates including langsmith, langchain-core, and security patches for urllib3 and idna. The release maintains compatibility with langchain-core 1.3.3 and langsmith 0.8.5, with infrastructure improvements to Dependabot version-bound preservation.

crewAI 1.14.6 release introduces enhanced security measures for environment variable handling in StdioTransport, fixes critical bugs in structured output and checkpoint serialization, and improves documentation across planning, checkpointing, and Agent Control Plane features. Key improvements include preventing environment variable leakage, correcting serialization of BaseModel type fields, and restructuring documentation for better clarity. The Skills Repository has been moved to experimental status behind a feature gate.

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-fireworks version 1.4.2 was released with a critical fix that strips non-wire keys from all content parts before serialization. The release also includes refreshed model profile data and updated infrastructure dependencies. This patch addresses serialization issues that could occur when processing content with extraneous keys.

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.

crewAI 1.14.6a2 release introduces enhanced security for environment variable handling in StdioTransport, improves planning configuration and observation handling, and fixes critical bugs in structured output, checkpointing, and MongoDB dependencies. The release includes comprehensive documentation updates for checkpointing, Agent Control Plane, and secrets management. Key improvements focus on preventing data leaks, enabling proper checkpoint restoration, and correcting package dependencies.

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.

langchain-perplexity version 1.3.0 introduces a new `use_responses_api` flag on the `ChatPerplexity` class, enabling alternative API response handling. The release includes multiple dependency updates for langsmith, langchain-core, urllib3, and idna to improve security and compatibility. Infrastructure improvements focus on dependency management and CI/CD hardening.

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.

Claude Code v2.1.152 introduces significant enhancements to code review workflows, skill management, and user interface. Key additions include `/code-review --fix` for automatic code improvements, dynamic skill reloading via `SessionStart` hooks, new hook events for message transformation, and improved Vim mode navigation. The release also addresses numerous bug fixes related to terminal rendering, plugin management, MCP server connectivity, and session state handling.

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 v2026.5.25-beta.1 is a maintenance release focusing on bug fixes and platform compatibility improvements. Key fixes address iMessage attachment handling, Windows native support for package scripts, Alpine Linux installer compatibility, and MCP server timeout issues. The release includes numerous test infrastructure improvements and configuration enhancements to ensure stability across Linux, macOS, and Windows platforms.

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 v2026.5.22 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.

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.