1.1 release notes #1555
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| Original file line number | Diff line number | Diff line change | ||||
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| title: What's new in v1.1 | ||||||
| sidebarTitle: v1.1 Release notes | ||||||
| --- | ||||||
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| **LangChain v1.1 focuses on improving agent reliability and flexibility.** This release introduces model profiles, new middleware capabilities, and enhanced type safety for custom middleware implementations. | ||||||
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| To upgrade, | ||||||
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| <CodeGroup> | ||||||
| ```bash npm | ||||||
| npm install @langchain/core @langchain/langgraph | ||||||
| ``` | ||||||
| ```bash pnpm | ||||||
| pnpm add @langchain/core @langchain/langgraph | ||||||
| ``` | ||||||
| ```bash yarn | ||||||
| yarn add @langchain/core @langchain/langgraph | ||||||
| ``` | ||||||
| ```bash bun | ||||||
| bun add @langchain/core @langchain/langgraph | ||||||
| ``` | ||||||
| </CodeGroup> | ||||||
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| ## Model profiles | ||||||
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| Model profiles allow you to configure how agents interact with specific models by defining capabilities, context handling, and structured output behavior. | ||||||
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| ### Summarization middleware | ||||||
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| ### Structured output for agents | ||||||
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| ## Model retry middleware | ||||||
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| ## Misc | ||||||
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| ### New middleware docs | ||||||
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| ### Type safety improvements for custom middlewares | ||||||
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| ## Reporting issues | ||||||
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| Please report any issues discovered with v1.1 on [GitHub](https://github.com/langchain-ai/langchainjs/issues) using the [`'v1.1'` label](https://github.com/langchain-ai/langchainjs/issues?q=state%3Aopen%20label%3Av1.1). | ||||||
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| ## Additional resources | ||||||
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| <CardGroup cols={3}> | ||||||
| <Card title="Agents" icon="robot" href="/oss/langchain/agents" arrow> | ||||||
| Learn about building agents with LangChain | ||||||
| </Card> | ||||||
| <Card title="Middleware" icon="layer-group" href="/oss/langchain/middleware/overview" arrow> | ||||||
| Deep dive into middleware concepts | ||||||
| </Card> | ||||||
| <Card title="Tools" icon="wrench" href="/oss/langchain/tools" arrow> | ||||||
| Working with tools in agents | ||||||
| </Card> | ||||||
| <Card title="Migration guide" icon="arrow-right-arrow-left" href="/oss/migrate/langchain-v1" arrow> | ||||||
| How to migrate to LangChain v1 | ||||||
| </Card> | ||||||
| <Card title="GitHub" icon="github" href="https://github.com/langchain-ai/langchainjs"> | ||||||
| Report issues or contribute | ||||||
| </Card> | ||||||
| </CardGroup> | ||||||
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| ## See also | ||||||
|
Collaborator
There was a problem hiding this comment. combine with additional resources section? |
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| - [Versioning](/oss/javascript/versioning) - Understanding version numbers | ||||||
| - [Release policy](/oss/javascript/release-policy) - Detailed release policies | ||||||
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| Original file line number | Diff line number | Diff line change | ||||
|---|---|---|---|---|---|---|
| @@ -0,0 +1,62 @@ | ||||||
| --- | ||||||
| title: What's new in v1.1 | ||||||
| sidebarTitle: v1.1 Release notes | ||||||
| --- | ||||||
|
|
||||||
| **LangChain v1.1 focuses on improving agent reliability and flexibility.** This release introduces model profiles, new middleware capabilities, and enhanced type safety for custom middleware implementations. | ||||||
|
|
||||||
| To upgrade, | ||||||
|
Collaborator
There was a problem hiding this comment.
Suggested change
Contributor
There was a problem hiding this comment. I don't think we need to spell out installation instructions for every minor release. |
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| <CodeGroup> | ||||||
| ```bash pip | ||||||
| pip install -U langchain | ||||||
| ``` | ||||||
| ```bash uv | ||||||
| uv add langchain | ||||||
| ``` | ||||||
| </CodeGroup> | ||||||
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| ## Model profiles | ||||||
|
|
||||||
| Model profiles allow you to configure how agents interact with specific models by defining capabilities, context handling, and structured output behavior. | ||||||
|
|
||||||
| ### Summarization middleware | ||||||
|
|
||||||
| ### Structured output for agents | ||||||
|
|
||||||
| ## Model retry middleware | ||||||
|
|
||||||
| ## Misc | ||||||
|
|
||||||
| ### New middleware docs | ||||||
|
|
||||||
| ### Type safety improvements for custom middlewares | ||||||
|
|
||||||
| ## Reporting issues | ||||||
|
|
||||||
| Please report any issues discovered with v1.1 on [GitHub](https://github.com/langchain-ai/langchain/issues) using the [`'v1.1'` label](https://github.com/langchain-ai/langchain/issues?q=state%3Aopen%20label%3Av1.1). | ||||||
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Contributor
There was a problem hiding this comment. personal opinion / feeling but I don't feel the need to ask people to label all their issues with the corresponding version— don't we ask for this information in the issue template? |
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| ## Additional resources | ||||||
|
|
||||||
| <CardGroup cols={3}> | ||||||
| <Card title="Agents" icon="robot" href="/oss/langchain/agents" arrow> | ||||||
| Learn about building agents with LangChain | ||||||
| </Card> | ||||||
| <Card title="Middleware" icon="layer-group" href="/oss/langchain/middleware/overview" arrow> | ||||||
| Deep dive into middleware concepts | ||||||
| </Card> | ||||||
| <Card title="Tools" icon="wrench" href="/oss/langchain/tools" arrow> | ||||||
| Working with tools in agents | ||||||
| </Card> | ||||||
| <Card title="Migration guide" icon="arrow-right-arrow-left" href="/oss/migrate/langchain-v1" arrow> | ||||||
| How to migrate to LangChain v1 | ||||||
| </Card> | ||||||
| <Card title="GitHub" icon="github" href="https://github.com/langchain-ai/langchain"> | ||||||
| Report issues or contribute | ||||||
| </Card> | ||||||
| </CardGroup> | ||||||
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| ## See also | ||||||
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| - [Versioning](/oss/python/versioning) - Understanding version numbers | ||||||
|
Collaborator
There was a problem hiding this comment. maybe these should be combined w the "Additional resources" section? |
||||||
| - [Release policy](/oss/python/release-policy) - Detailed release policies | ||||||
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let's order this newest to oldest
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also, can you remove the /releases/langchain-v1 from the langchain tab?
i think the release notes should live in the Reference tab and we can keep the migration guide on the main tab