Releases·Tool Release
langchain-ai/langchain ships langchain-anthropic==1.7.1 with Claude Fable 5.1 support
LangChain released langchain-anthropic 1.7.1, adding Claude Fable 5.1 support. The patch also omits middleware trace inputs for performance.
0 engagement1 sourceThu, Sep 3, 2026, 03:42 PM
AI Overview
- langchain-anthropic==1.7.1 adds Claude Fable 5.1 support (#40106)
- Omits middleware trace inputs for performance (#40098)
- First release since langchain-anthropic==1.7.0
Related
Releases·Tool Release
LangChain releases langchain-anthropic 1.5.3 with streaming and system message fixes
LangChain released langchain-anthropic 1.5.3, a patch update that fixes two issues in the Anthropic integration: preserving empty thinking fields during signature_delta streaming and stripping unsupported fields from system message content blocks. The update is available on GitHub and PyPI.
LangChain released langchain-anthropic 1.5.3, a patch update that fixes two issues in the Anthropic integration: preserving empty thinking fields during signature_delta streaming and stripping unsupported fields from system message content blocks. The update is available on GitHub and PyPI.
1 engagement1 sourcegithubTue, Jul 28, 2026, 05:03 PM
Releases·Tool Release
LangChain ships langchain-anthropic 1.5.5 with reasoning token reporting
LangChain released langchain-anthropic 1.5.5, a patch update that reports reasoning tokens in usage metadata and fixes a KeyError in Claude file-tool middleware. It also refreshes model profile data and improves error messages for missing credentials.
LangChain released langchain-anthropic 1.5.5, a patch update that reports reasoning tokens in usage metadata and fixes a KeyError in Claude file-tool middleware. It also refreshes model profile data and improves error messages for missing credentials.
0300 engagement3 sourcesgithubTue, Aug 11, 2026, 12:00 AM
Releases·Tool Release
LangChain releases langchain-anthropic 1.7.0 with skills container support and 1.0 SDK
LangChain shipped langchain-anthropic 1.7.0, adding top-level skill parameters via `container`, a new thinking display mode, and support for the Anthropic 1.0 SDK. The release also fixes beta-header handling for the advisor tool and surfaces gateway response metadata. Practitioners using LangChain with Claude models gain updated integration features and fixes.
LangChain shipped langchain-anthropic 1.7.0, adding top-level skill parameters via `container`, a new thinking display mode, and support for the Anthropic 1.0 SDK. The release also fixes beta-header handling for the advisor tool and surfaces gateway response metadata. Practitioners using LangChain with Claude models gain updated integration features and fixes.
0 engagement1 sourcegithubThu, Aug 27, 2026, 03:24 PM
Releases·Tool Release
LangChain releases v1.3.17 with HITL rejection reason fix
LangChain released version 1.3.17, a patch update that fixes custom human-in-the-loop rejection reasons and bumps minor and patch dependencies. The release is part of the ongoing maintenance of the LangChain library.
LangChain released version 1.3.17, a patch update that fixes custom human-in-the-loop rejection reasons and bumps minor and patch dependencies. The release is part of the ongoing maintenance of the LangChain library.
0 engagement1 sourcegithubTue, Aug 25, 2026, 02:40 AM
Releases·Tool Release
langchain-ai/langchain releases langchain-openai==1.7.2 fixing Responses stream block drift
LangChain published langchain-openai 1.7.2 on GitHub, a patch release following 1.7.1. The update fixes handling of OpenAI Responses API streams so items stay on one block when output_index drifts.
LangChain published langchain-openai 1.7.2 on GitHub, a patch release following 1.7.1. The update fixes handling of OpenAI Responses API streams so items stay on one block when output_index drifts.
1 engagement1 sourcegithubWed, Oct 14, 2026, 01:51 PM