LangChain-OpenRouter releases v0.2.6 with custom HTTP header support
LangChain-OpenRouter v0.2.6 is released on 2026-07-05, adding support for `default_headers` for custom HTTP header injection and refreshing model profile data. The update is a minor version bump from 0.2.5.
Entities
Related
LangChain-Mistralai v1.1.6 adds citation metadata support
LangChain released version 1.1.6 of its langchain-mistralai integration, adding support for surfacing citation metadata from Mistral AI chat responses. The update also includes refreshed model profiles and dependency bumps for vcrpy and langsmith.
LangChain releases v1.3.13 and langchain-openai v1.3.5 with explicit prompt caching
LangChain released versions 1.3.13 and langchain-openai 1.3.5, adding explicit prompt caching support for OpenAI models. This allows developers to mark reusable prompt prefixes for reduced latency and cost. The update also includes a new 'meta' extra for langchain-meta integration and refreshed model profiles.
LangChain Fireworks partner package v1.4.4 released with cached prompt token reporting
LangChain released version 1.4.4 of the langchain-fireworks partner package on July 9, 2026. The update adds reporting of cached prompt token usage and includes dependency bumps and documentation clarifications.
Model Context Protocol releases v2026.7.4 with updated server packages
The Model Context Protocol project published version v2026.7.4 on July 4, 2026, updating four server packages: everything, filesystem, sequential-thinking, and memory. This routine release likely includes bug fixes and improvements for MCP server implementations.
Ollama releases v0.32.0-rc0 with Qwen3.5 support and agent UI
Ollama released v0.32.0-rc0, adding a Qwen3.5 parser and renderer, a warning for old agent models, and a new agent UI. This update enables users to work with Qwen3.5 models and improves the agent experience.