Sourced from langchain's releases.

Release 0.3.29

Highlights

// Use in structured outputs
import { z } from "zod/v4";
const model = new ChatOpenAI(...).withStructuredOutput(

z.object({

foo: z.string(),

bar: z.number(),

}),

);

// Use in tools
import { tool } from "@langchain/core/tools";
import { z } from "zod/v4";
const multiply = tool(

({ a, b }) => a * b

{

name: "multiply",

description: "Multiply two numbers",

schema: z.object({

a: z.number(),

b: z.number(),

}),

}

);

import { ChatAnthropic } from "@langchain/anthropic";

const model = new ChatAnthropic({
  model: "claude-3-5-sonnet-20241022",
  temperature: 0,
}).bindTools([
  {
    type: "web_search_20250305",
    name: "web_search",
</tr></table> 

... (truncated)

• fc7b4fb release(langchain): 0.3.29
• bebbbbd release(core): 0.3.60
• 4f5115a release(community): 0.3.47
• 69b6b2e release(ollama): 0.2.3
• 4ca2d2b release(openai): 0.5.14
• 0c1b86a release(anthropic): 0.3.23
• cff6b33 Fix(community): perplexity reasoning json parser error (#8395)
• 74fe30f chore(community/perplexity): hoist reasoning output parsers
• f3f1620 refactor: update Ollama import and add fetch option to models (#8396)
• 58693a7 fix(hf): Upgrade @​huggingface dependencies (#8237)
• Additional commits viewable in compare view

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