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contentBlocks drops type: "reasoning" blocks from OpenAI Responses API content array

bugSomething isn't workingSomething isn't working

Status: Open.

#10421 In langchain-ai/langchainjs;

· Agajan Torayev (torayeff) opened on Mar 15, 2026

@langchain/google CJS entry points fail at runtime: require("jose") in gcp-auth.cjs breaks because jose v6 is ESM-only

bugSomething isn't workingSomething isn't working

Status: Open.

#10403 In langchain-ai/langchainjs;

· Thorsten Spieker (coffee4tw) opened on Mar 12, 2026

Bug: @langchain/google-genai creates separate turns for consecutive ToolMessages, breaking Gemini parallel function calling

Status: Open.

#10342 In langchain-ai/langchainjs;

· Mohammad Jafari (mossein) opened on Mar 11, 2026

@langchain/google: input_token_details.text double-counts cached tokens, inflating LangSmith cost estimates

Status: Open.

#10339 In langchain-ai/langchainjs;

· Jonathan Ratier (john-rtr) opened on Mar 11, 2026

Images in ToolMessage content lost when converted to Gemini functionResponse

Status: Open.

#10297 In langchain-ai/langchainjs;

· Antonio Pinto (Toze) opened on Mar 8, 2026

State updated in middleware 'beforeAgent' hook not saved by checkpointer unless 'afterAgent' hook is called

bugSomething isn't workingSomething isn't working

Status: Open.

#10291 In langchain-ai/langchainjs;

· etay2000 opened on Mar 6, 2026

bug(@langchain/community) PGVectorStore leaks pool client on init and destroys shared pools on end()

Status: Open.

#10277 In langchain-ai/langchainjs;

· Joel Rosinbum (rosinbum) opened on Mar 6, 2026

StateGraph with contextSchema: TS2589 on constructor + context fields incorrectly required in configurable

bugSomething isn't workingSomething isn't working

Status: Open.

#10270 In langchain-ai/langchainjs;

· akselsd opened on Mar 5, 2026

bug(@langchain/google) Tests with functions on Vertex fail

Status: Open.

#10266 In langchain-ai/langchainjs;

· Allen Firstenberg (afirstenberg) opened on Mar 4, 2026

TypeError: Cannot read properties of undefined (reading 'filter')

bugSomething isn't workingSomething isn't working

Status: Open.

#10257 In langchain-ai/langchainjs;

· IRADUKUNDA Allelua Fiacre (irfiacre) opened on Mar 3, 2026

Bug: PDFLoader declares pdf-parse v2 in package.json but only supports v1

Status: Open.

#10203 In langchain-ai/langchainjs;

· Phantom (EurFelux) opened on Mar 1, 2026

responseToChatGeneration drops parallel tool calls during streaming (only uses first part)

Status: Open.

#10196 In langchain-ai/langchainjs;

· hamburger (xutruth) opened on Feb 28, 2026