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[@langchain/aws] ChatBedrockConverse throws "Member must not be null" on reasoningContent.reasoningText.text during multi-turn tool-call replay

Status: Open.

#11164 In langchain-ai/langchainjs;

· SiddheshB-UBI opened on Jul 8, 2026

ChatOpenAI (Responses API, streaming): response_metadata embeds full request tools schemas on every AIMessage

Status: Open.

#11162 In langchain-ai/langchainjs;

· mdnanocom opened on Jul 7, 2026

OpenAI client does not pass custom request options for streaming responses

bugSomething isn't workingSomething isn't working

Status: Open.

#11159 In langchain-ai/langchainjs;

· andrew0 opened on Jul 7, 2026

ChatOllama: final chunk carrying usage_metadata never fires handleLLMNewToken, so it's invisible to on_chat_model_stream / streamEvents

bugSomething isn't workingSomething isn't working

Status: Open.

#11155 In langchain-ai/langchainjs;

· Vrajpal Jhala (vrajpal-jhala) opened on Jul 6, 2026

trimMessages throws TypeError when textSplitter is a TextSplitter instance (unbound splitText)

bugSomething isn't workingSomething isn't working

Status: Open.

#11152 In langchain-ai/langchainjs;

· Parvesh (parveshsaini) opened on Jul 4, 2026

createAgent structured-output tool is renamed extract-<n> on every model call, defeating Anthropic prompt caching

Status: Open.

#11151 In langchain-ai/langchainjs;

· Denys Hryshakin (denys-hryshakin) opened on Jul 3, 2026

AIMessageChunk streaming concat is O(n²): collapseToolCallChunks re-parses all accumulated tool args on every delta

Status: Open.

#11148 In langchain-ai/langchainjs;

· mdnanocom opened on Jul 3, 2026

@langchain/anthropic: files with unknown MIME type sent as application/pdf documents, causing 400

Status: Open.

#11139 In langchain-ai/langchainjs;

· Oluwatoba Aribo (Elmanuel1) opened on Jul 2, 2026

humanInTheLoopMiddleware behaves incorrectly on rejection with human message provided

bugSomething isn't workingSomething isn't working

Status: Open.

#11125 In langchain-ai/langchainjs;

· Akim (akim-bow) opened on Jun 30, 2026

contentBlocks sets the Gemini tool_call id from message.id instead of functionCall.id

bugSomething isn't workingSomething isn't working

Status: Open.

#11110 In langchain-ai/langchainjs;

· Elie Rotenberg (elierotenberg) opened on Jun 25, 2026

examples: add sandboxed tool execution example (DynamicStructuredTool + WASM kernel)

Status: Open.

#11102 In langchain-ai/langchainjs;

· Teller (telleroutlook) opened on Jun 23, 2026

Anthropic cache_control Differing TTL Results in 400

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#11099 In langchain-ai/langchainjs;

· Alexander Olsen (aolsenjazz) opened on Jun 22, 2026