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

Status: Open.

#6899 In langchain-ai/langgraph;

· joy7758 opened on Feb 21, 2026

checkpoint-sqlite: make TTL pruning deterministic at boundary

Status: Open.

#6896 In langchain-ai/langgraph;

· David Ahmann (davidahmann) opened on Feb 21, 2026

Harden interrupt resume commands with authorization token metadata

Status: Open.

#6843 In langchain-ai/langgraph;

· David Ahmann (davidahmann) opened on Feb 17, 2026

checkpoint/memory: select latest checkpoint by insertion order (not lexicographic id)

Status: Open.

#6821 In langchain-ai/langgraph;

· David Ahmann (davidahmann) opened on Feb 16, 2026

Deterministic checkpoint resume contract across crash boundaries

Status: Open.

#6818 In langchain-ai/langgraph;

· David Ahmann (davidahmann) opened on Feb 15, 2026

langgraph dev: ModuleNotFoundError for langgraph_executor in langgraph-api 0.7.35 Docker image

Status: Open.

#6802 In langchain-ai/langgraph;

· Mario Alessandro Napoli (MarioAlessandroNapoli) opened on Feb 13, 2026

messages stream mode: allow configuring which state key(s) to stream

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#6798 In langchain-ai/langgraph;

· Niloy Ghosh (niilooy) opened on Feb 13, 2026

Resuming after interrupt doesn't reuse prior task outputs when interrupt is in subgraph

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#6792 In langchain-ai/langgraph;

· venkatesh-sivaraman opened on Feb 12, 2026

Topic.copy() crashes with AttributeError when checkpoint contains None channel value

Status: Open.

#6791 In langchain-ai/langgraph;

· Mario Alessandro Napoli (MarioAlessandroNapoli) opened on Feb 12, 2026

A serialization failure occurred when the local server was running the Agent with Middleware

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#6781 In langchain-ai/langgraph;

· sunstarlixp (sunstarlixp) opened on Feb 11, 2026

KeyError('__end__') at runtime when conditional router returns '__end__' but path_map does not include END mapping

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#6770 In langchain-ai/langgraph;

· lchl21 opened on Feb 9, 2026

request: Compile-time validation of nodes that aren't statically linked

Status: Open.

Feature

#6735 In langchain-ai/langgraph;

· Farouk Boukil (f4roukb) opened on Feb 1, 2026