v0.0.321

What's Changed

• rewrite by Harrison Chase (@hwchase17) in #12111
• add step back notebook by Harrison Chase (@hwchase17) in #11953
• add missing init files by Harrison Chase (@hwchase17) in #12114
• move csv agent to langchain experimental by Harrison Chase (@hwchase17) in #12113
• fix up notebook by Harrison Chase (@hwchase17) in #12119
• add rag fusion notebook by Harrison Chase (@hwchase17) in #12121
• Allow specifying custom input/output schemas for runnables with .with_types() by Nuno Campos (@nfcampos) in #12083
• Fix type hint for older py versions by Nuno Campos (@nfcampos) in #12132
• Add how-to guide on runnable generators by Nuno Campos (@nfcampos) in #12135
• Fix bug where types were lost when calling with_cconfig or bind by Nuno Campos (@nfcampos) in #12137
• Add optional config arg to RunnablePassthrough func arg by Nuno Campos (@nfcampos) in #12131
• Fix typos by omahs (@omahs) in #12128
• Improved readability of Docs by Sanyam Jain (@Sanyam-2026) in #12136
• Include Parent Run ID by William FH (@hinthornw) in #12139
• Update to actions/checkout@v4. by Predrag Gruevski (@obi1kenobi) in #11951
• Fix Pickle Error by William FH (@hinthornw) in #12141
• Update default recursion_limit, update docs by Nuno Campos (@nfcampos) in #12134
• bump 321 by Bagatur (@baskaryan) in #12161
• Update deprecated langchain imports with suggested new paths. by Predrag Gruevski (@obi1kenobi) in #12164
• fix: doc string of default params in chat_models, llm qianfan by NuODaniel (@danielhjz) in #12153

New Contributors

• omahs (@omahs) made their first contribution in #12128
• Sanyam Jain (@Sanyam-2026) made their first contribution in #12136

Full Changelog: v0.0.320...v0.0.321