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langchain-core 1.2.14 stream_mode == "messages" tool args parse failed

bugRelated to a bug, vulnerability, unexpected error with an existing featureRelated to a bug, vulnerability, unexpected error with an existing feature

core`langchain-core` package issues & PRs`langchain-core` package issues & PRs

external

Status: Open.

Bug

#35395 In langchain-ai/langchain;

· zxs-learn opened on Feb 22, 2026

Feature: Agent Identity Verification for Tool Calls

external

Status: Open.

#35393 In langchain-ai/langchain;

· The Nexus Guard (The-Nexus-Guard) opened on Feb 22, 2026

RC1 Review Request: AAR-MCP-2.0 Verifiable Interaction Layer (Conformance Gate included)

external

Status: Open.

#35389 In langchain-ai/langchain;

· joy7758 opened on Feb 21, 2026

Article 6 Compliance: EU AI Act Risk Assessment & Documentation

external

Status: Open.

#35376 In langchain-ai/langchain;

· arkforge (desiorac) opened on Feb 21, 2026

EU AI Act Compliance: Risk Classification & Transparency Documentation

external

Status: Open.

#35375 In langchain-ai/langchain;

· arkforge (desiorac) opened on Feb 21, 2026

EU AI Act Compliance: Risk Classification & Model Transparency Documentation Needed

external

Status: Open.

#35373 In langchain-ai/langchain;

· arkforge (desiorac) opened on Feb 21, 2026

EU AI Act Compliance Helpers: Risk Classification & Data Governance Utilities

external

Status: Open.

#35363 In langchain-ai/langchain;

· arkforge (desiorac) opened on Feb 20, 2026

[Feature Request] RAG troubleshooting checklist using the WFGY 16-problem map

external

feature requestRequest for an enhancement / additional functionalityRequest for an enhancement / additional functionality

Status: Open.

Feature

#35360 In langchain-ai/langchain;

· PSBigBig × MiniPS (onestardao) opened on Feb 20, 2026

Feature: Structured compliance audit logging for EU AI Act (Article 12)

external

Status: Open.

#35357 In langchain-ai/langchain;

· arkforge (desiorac) opened on Feb 20, 2026

Add Kevros Governance tools — action verification + hash-chained audit trails

external

Status: Open.

#35338 In langchain-ai/langchain;

· knuckles-stack opened on Feb 19, 2026

RuntimeError in _AsyncHttpxClientWrapper.__del__ when event loop is closed

anthropic`langchain-anthropic` package issues & PRs`langchain-anthropic` package issues & PRs

bugRelated to a bug, vulnerability, unexpected error with an existing featureRelated to a bug, vulnerability, unexpected error with an existing feature

external

langchain`langchain` package issues & PRs`langchain` package issues & PRs

openai`langchain-openai` package issues & PRs`langchain-openai` package issues & PRs

Status: Open.

Bug

#35327 In langchain-ai/langchain;

· Shivangi Sharma (Shivangisharma4) opened on Feb 19, 2026

[langchain-openai] with_structured_output() silently drops previously bound tools and lacks support for OpenAI native tool bindings

bugRelated to a bug, vulnerability, unexpected error with an existing featureRelated to a bug, vulnerability, unexpected error with an existing feature

external

openai`langchain-openai` package issues & PRs`langchain-openai` package issues & PRs

Status: Open.

Bug

#35320 In langchain-ai/langchain;

· Arda Akdemir (ardakdemir) opened on Feb 19, 2026