Integrations

langchain-core version 1.4.7 is released with several maintenance and bug fixes. Key updates include a tornado dependency bump, fixes for Pydantic v1 support in tools/runnable, corrections to package version trace metadata, and documentation style improvements across docstrings. This is a minor patch release focused on stability and compatibility improvements.

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.

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.

langchain-anthropic version 1.4.5 has been released with several improvements and fixes. Key changes include support for content block tokens in callbacks, refreshed model profile data, and a hotfix for OpenAI minimum core dependency. The release also includes test improvements to disable pytest-benchmark under xdist to eliminate warnings. This is a maintenance release focused on stability and compatibility improvements.

LangChain Classic version 1.0.8 is a maintenance release that includes dependency updates, bug fixes, and improvements to core functionality. Key changes involve bumping multiple dependencies (pyarrow, starlette, aiohttp, langsmith, urllib3, and others), fixing content block token support in callbacks, and improving type safety in Runnable operations. The release also includes infrastructure improvements and test enhancements to address warnings and ensure stability.

langchain-core version 1.4.4 is a maintenance release that includes bug fixes, typing improvements, and documentation updates. Key improvements address content block tokens in callbacks, multimodal handling in buffer strings, and tool error handling. The release also enhances type safety across Runnable operations and fixes generic typing issues.

langchain-mistralai version 1.1.5 release includes support for content block tokens in callbacks, stability improvements for integration tests with rate limiting and retries, and multiple dependency updates. Key updates include bumps to langsmith (0.8.5), langchain-core (1.3.3), urllib3 (2.7.0), and idna (3.15). The release focuses on reliability, security patches, and infrastructure hardening for the Mistral AI integration package.

LangChain v1.3.7 release includes style improvements with ruff ARG rules, a new ProviderToolSearchMiddleware feature for enhanced tool searching capabilities, mypy type checking enhancements with warn_return_any activation, and legacy code cleanup marking components for v2.0 removal. This incremental release focuses on code quality, type safety, and middleware functionality improvements.

OpenClaw v2026.6.6-beta.1 is a security-focused release that substantially tightens security boundaries across transcripts, sandbox binds, and multiple integration points 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 CLI progress reporting, observability, plugin management, memory optimization, and mobile channel support.

LangChain v1.3.5 release includes porting AND-capable trigger conditions to SummarizationMiddleware, adding support for the apply_patch built-in tool in OpenAI integration, and fixing a minimum core dependency issue. The release also includes routine dependency updates for pyarrow and aiohttp to maintain security and compatibility. This is a minor version update with both feature additions and maintenance improvements.

langchain-groq version 1.1.3 is a maintenance release that includes dependency updates, bug fixes, and feature enhancements. Key changes include strict mode support for Groq, content-block-centric streaming improvements, model profile data refresh, and security updates (CVE-2026-4539 pygments fix). The release also standardizes testing infrastructure, updates core dependencies, and improves token extraction logic for usage metadata.

LangChain version 1.3.6 has been released with a focus on maintaining backward compatibility. The primary change in this release is a fix that preserves summarization trigger compatibility, ensuring existing implementations continue to work without breaking changes. This incremental update addresses a specific compatibility issue identified since version 1.3.5.

Claude Fable 5 includes safety classifiers that block requests in cybersecurity, biology, and reasoning extraction areas. Anthropic provides server-side and client-side fallback mechanisms to automatically retry blocked requests with Claude Opus 4.8, along with new billing changes that credit fallback token costs. This guide covers classifier block detection, fallback implementation strategies, streaming behavior, and billing adjustments for API customers.

LangChain Core version 1.4.3 has been released with improvements to OpenAI integration. The primary feature addition is support for the `apply_patch` built-in tool, enabling more flexible tool usage within OpenAI-powered agents. This incremental release builds on version 1.4.2 with focused enhancements to the core framework's tooling capabilities.