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[Bug] Gemma 4 (Google AI Studio) – No reliable way to extract clean text response in LangChain.js (thinking blocks mixed in content)

bugSomething isn't workingSomething isn't working

Status: Open.

#10729 In langchain-ai/langchainjs;

· Mahfuzul Hoque Mitas (mhmitas-dev) opened on Apr 18, 2026

bug(@langchain/core): fakeModel does not advance its response queue after bindTools(), breaking multi-turn agent tests

bugSomething isn't workingSomething isn't working

Status: Open.

#10723 In langchain-ai/langchainjs;

· Alexei Lexx (alexei-lexx) opened on Apr 17, 2026

docs: @langchain/community npm page links to a missing folder

Status: Open.

#10720 In langchain-ai/langchainjs;

· Matsu (Matsuuu) opened on Apr 17, 2026

ChatOpenAI loses message history when used inside RunnableSequence with BufferMemory in TypeScript

bugSomething isn't workingSomething isn't working

Status: Open.

#10718 In langchain-ai/langchainjs;

· Vansh Sharma (Vansh1811) opened on Apr 16, 2026

ToolNode omits configurable from runtime passed to wrapToolCall middleware

Status: Open.

#10717 In langchain-ai/langchainjs;

· narayan (narayan-metaflow) opened on Apr 16, 2026

fix(google-common): streaming usage_metadata missing cache_read and reasoning token details

Status: Open.

#10715 In langchain-ai/langchainjs;

· eden.kim (EdenKim-dev) opened on Apr 16, 2026

bug(@langchain/google-genai): Invalid JSON payload when using providerStrategy in createAgent

bugSomething isn't workingSomething isn't working

Status: Open.

#10712 In langchain-ai/langchainjs;

· bakerrya opened on Apr 15, 2026

Outdated supportedToolChoiceValuesForModel function for AWS bedrock tool_choice

bugSomething isn't workingSomething isn't working

Status: Open.

#10710 In langchain-ai/langchainjs;

· Alex Timms (at421) opened on Apr 15, 2026

Error using anthropic claude-sonnet-4-6 with V0.3.34 - top_p cannot be set to -1 for this model

bugSomething isn't workingSomething isn't working

Status: Open.

#10709 In langchain-ai/langchainjs;

· Shirhen Ince (shirhen) opened on Apr 15, 2026

todoListMiddleware produces ToolMessages without name, breaking Gemini (400 InvalidArgument)

Status: Open.

#10705 In langchain-ai/langchainjs;

· Youngho Kim (JadenKim-dev) opened on Apr 15, 2026

AIMessageChunk.concat() merges reasoning and text content blocks with the same index into a single malformed block, losing the text response

bugSomething isn't workingSomething isn't working

Status: Open.

#10691 In langchain-ai/langchainjs;

· Mike Sullivan (mgssf) opened on Apr 13, 2026

Support includeServerSideToolInvocations flag for Google

bugSomething isn't workingSomething isn't working

Status: Open.

#10675 In langchain-ai/langchainjs;

· Nav Garcha (navgarcha) opened on Apr 8, 2026