Migration Guide: Upgrading to LangChain 1.0
Upgrading from 0.x? Follow our comprehensive migration guide with step-by-step instructions, breaking changes, deprecated features, and recommended patterns for LangChain 1.0.
Latest release
The current stable version is v1.x. See the versioning policy for information about our release cycle. See the sidebar for links to release pages that include detailed release notes and migration guides.Pre-release versions
Information about alpha, beta, and release candidate versions can be found in on GitHub:Support timeline
| Version | Status | Support Until |
|---|---|---|
| v0.x.x | Current | TBD |
| v1.x.x | Current | Active development |
See also
- Versioning - Understanding version numbers
- Release policy - Detailed release policies
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