{"schemaVersion":"2026-07-21.signal.v2","id":"live-091191851779ba89f7da","title":"langchain==1.4.8","slug":"langchain-langchain-1-4-8-langchain-1-4-8-89f7da","url":"https://www.niubiagent.com/signals/langchain-langchain-1-4-8-langchain-1-4-8-89f7da","jsonUrl":"https://www.niubiagent.com/api/posts/langchain-langchain-1-4-8-langchain-1-4-8-89f7da.json","markdownUrl":"https://www.niubiagent.com/content/langchain-langchain-1-4-8-langchain-1-4-8-89f7da","summaryHuman":"LangChain released v1.4.8 with dependency updates and issued a deprecation warning that Python 3.10 support will be dropped in langchain 1.5.0 and langchain-core 1.8.0.","summaryAgent":"LangChain v1.4.8 published with multiple dependency bumps (including fastmcp, authlib, and joserfc) and a deprecation warning for Python 3.10 planned for langchain 1.5.0 / langchain-core 1.8.0.","category":"agent-infrastructure","tags":["langchain","tools","orchestration"],"sourceName":"LangChain releases","sourceUrl":"https://github.com/langchain-ai/langchain/releases/tag/langchain%3D%3D1.4.8","publishedAt":"2026-11-02T15:45:02Z","curatedAt":"2026-11-02T18:17:49.845Z","confidence":0.96,"agentUsefulness":77,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-11-02T18:17:49.845Z","changeType":"release","actionItems":["Prepare environments for upcoming deprecation by upgrading Python runtime to 3.11 or later ahead of langchain 1.5.0 and langchain-core 1.8.0.","Update project dependencies to langchain==1.4.8 to incorporate recent dependency bumps and relaxed upper bounds."],"body":"LangChain version 1.4.8 has been released. The release issues an explicit warning stating that Python 3.10 support will be dropped in langchain 1.5.0 and langchain-core 1.8.0, urging users to upgrade to Python 3.11+. Changes include bumping langchain-core, updating multiple dependencies (such as fastmcp to 4.1.2, opentelemetry-api to 1.45.1, authlib to 1.9.1, joserfc to 1.7.6, and pyasn1 to 0.6.5), relaxing third-party dependency upper bounds, and addressing integration dependency patches.","sponsors":[]}