From 560e451f297cbb86d5c0d2ace86b010d64cc20c3 Mon Sep 17 00:00:00 2001
From: Jacob Lee <jacoblee93@gmail.com>
Date: Thu, 5 Dec 2024 11:11:17 -0800
Subject: [PATCH] release(core): 0.3.21 (#7323)

---
 langchain-core/package.json                                | 2 +-
 langchain-core/src/runnables/tests/runnable_map.test.ts    | 4 ++++
 .../src/singletons/tests/async_local_storage.test.ts       | 7 ++++++-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/langchain-core/package.json b/langchain-core/package.json
index 32ee93327373..d373aebb29f6 100644
--- a/langchain-core/package.json
+++ b/langchain-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@langchain/core",
-  "version": "0.3.20",
+  "version": "0.3.21",
   "description": "Core LangChain.js abstractions and schemas",
   "type": "module",
   "engines": {
diff --git a/langchain-core/src/runnables/tests/runnable_map.test.ts b/langchain-core/src/runnables/tests/runnable_map.test.ts
index ffb41ab4e527..d2aa90093f58 100644
--- a/langchain-core/src/runnables/tests/runnable_map.test.ts
+++ b/langchain-core/src/runnables/tests/runnable_map.test.ts
@@ -131,6 +131,10 @@ test("Should stream chunks from each step as they are produced", async () => {
   const chunks = [];
 
   for await (const chunk of stream) {
+    if (chunk.chat?.id !== undefined) {
+      chunk.chat.id = expect.any(String) as any;
+      chunk.chat.lc_kwargs.id = expect.any(String);
+    }
     chunks.push(chunk);
   }
 
diff --git a/langchain-core/src/singletons/tests/async_local_storage.test.ts b/langchain-core/src/singletons/tests/async_local_storage.test.ts
index 4cb5a2ea77f9..1be3b273ed06 100644
--- a/langchain-core/src/singletons/tests/async_local_storage.test.ts
+++ b/langchain-core/src/singletons/tests/async_local_storage.test.ts
@@ -155,7 +155,12 @@ test("Runnable streamEvents method with streaming nested in a RunnableLambda", a
 
     const nestedLambdaWithOverriddenCallbacks = RunnableLambda.from(
       async (_: string, config) => {
-        expect(config?.callbacks?.handlers).toEqual([]);
+        expect(
+          config?.callbacks?.handlers.filter(
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+            (handler: any) => handler.name !== "langchain_tracer"
+          )
+        ).toEqual([]);
       }
     );
     await nestedLambdaWithOverriddenCallbacks.invoke(input, {