← Back to Freedom.Tech Back All langchain== releasesAll versions → Share Post to Nostr Post to X Copy link Release Fri, Sep 18, 2026 1 min read langchain== 1.4.2 Add langchain== to My List Original release notes Changes since langchain==1.4.1 release(langchain): 1.4.2 (#40621) fix(langchain): preserve model-generated tool calls in HITL tool call edits and add notice to ToolMessage (#40463) Filed under AIAll langchain== releases →#ai#release More in AI AI release Oct 21, 2026 langchain== 1.4.7 AI release Oct 14, 2026 langchain== 1.4.6 AI release Oct 22, 2026 llama.cpp b11808
