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Extend PermissionMiddleware to support execute and task tool restrictions

deepagentsRelated to the `deepagents` SDK / agent harnessRelated to the `deepagents` SDK / agent harness

externalUser is not a member of the `langchain-ai` GitHub organizationUser is not a member of the `langchain-ai` GitHub organization

Status: Open.

Feature

#2894 In langchain-ai/deepagents;

· Ninaad R. Rao (NinaadRao) opened on Apr 22, 2026

Silent worker crash when passing a ChatOpenAI instance to create_deep_agent under streaming (openai 2.x + deepagents 0.5.3)

bugSomething isn't workingSomething isn't working

deepagentsRelated to the `deepagents` SDK / agent harnessRelated to the `deepagents` SDK / agent harness

externalUser is not a member of the `langchain-ai` GitHub organizationUser is not a member of the `langchain-ai` GitHub organization

Status: Open.

Bug

#2886 In langchain-ai/deepagents;

· chacha (qqandy0120) opened on Apr 22, 2026

CompositeBackend route isolation leaks across shared storage backends

bugSomething isn't workingSomething isn't working

deepagentsRelated to the `deepagents` SDK / agent harnessRelated to the `deepagents` SDK / agent harness

externalUser is not a member of the `langchain-ai` GitHub organizationUser is not a member of the `langchain-ai` GitHub organization

Status: Open.

Bug

#2884 In langchain-ai/deepagents;

· naveen9871 opened on Apr 22, 2026

Native local sandbox backend (Linux for now, no cloud dependency)

deepagentsRelated to the `deepagents` SDK / agent harnessRelated to the `deepagents` SDK / agent harness

externalUser is not a member of the `langchain-ai` GitHub organizationUser is not a member of the `langchain-ai` GitHub organization

Status: Open.

Feature

#2882 In langchain-ai/deepagents;

· Bhushan Bharat (john221wick) opened on Apr 22, 2026

Cache Control - Extra inputs are not permitted

bugSomething isn't workingSomething isn't working

deepagentsRelated to the `deepagents` SDK / agent harnessRelated to the `deepagents` SDK / agent harness

externalUser is not a member of the `langchain-ai` GitHub organizationUser is not a member of the `langchain-ai` GitHub organization

Status: Open.

Bug

#2881 In langchain-ai/deepagents;

· AmitPZepto opened on Apr 22, 2026

SummarizationMiddleware never trims state.messages, causing unbounded checkpoint growth

bugSomething isn't workingSomething isn't working

deepagentsRelated to the `deepagents` SDK / agent harnessRelated to the `deepagents` SDK / agent harness

externalUser is not a member of the `langchain-ai` GitHub organizationUser is not a member of the `langchain-ai` GitHub organization

Status: Open.

Bug

#2876 In langchain-ai/deepagents;

· wangjiawei-vegetable (wangjiawei-vegetable) opened on Apr 22, 2026

Optimize manual approval rejection strategy

deepagentsRelated to the `deepagents` SDK / agent harnessRelated to the `deepagents` SDK / agent harness

externalUser is not a member of the `langchain-ai` GitHub organizationUser is not a member of the `langchain-ai` GitHub organization

Status: Open.

Feature

#2875 In langchain-ai/deepagents;

· yangzeyi666 opened on Apr 22, 2026

Summarization middleware image loss

bugSomething isn't workingSomething isn't working

deepagentsRelated to the `deepagents` SDK / agent harnessRelated to the `deepagents` SDK / agent harness

internalUser is a member of the `langchain-ai` GitHub organizationUser is a member of the `langchain-ai` GitHub organization

Status: Open.

Bug

#2873 In langchain-ai/deepagents;

· jacobkleiman-LC opened on Apr 21, 2026

Stream on subagent not working as expected

bugSomething isn't workingSomething isn't working

deepagentsRelated to the `deepagents` SDK / agent harnessRelated to the `deepagents` SDK / agent harness

externalUser is not a member of the `langchain-ai` GitHub organizationUser is not a member of the `langchain-ai` GitHub organization

Status: Open.

Bug

#2858 In langchain-ai/deepagents;

· liolay (liolay) opened on Apr 21, 2026

Fall back to the last non-empty AIMessage for subagents

bugSomething isn't workingSomething isn't working

deepagentsRelated to the `deepagents` SDK / agent harnessRelated to the `deepagents` SDK / agent harness

externalUser is not a member of the `langchain-ai` GitHub organizationUser is not a member of the `langchain-ai` GitHub organization

Status: Open.

Bug

#2857 In langchain-ai/deepagents;

· PakitoSec opened on Apr 21, 2026

Add max_count to grep_raw

deepagentsRelated to the `deepagents` SDK / agent harnessRelated to the `deepagents` SDK / agent harness

externalUser is not a member of the `langchain-ai` GitHub organizationUser is not a member of the `langchain-ai` GitHub organization

Status: Open.

Feature

#2834 In langchain-ai/deepagents;

· peterkarman1 opened on Apr 19, 2026

Subagents doesn’t work with RunnableFallback anymore

bugSomething isn't workingSomething isn't working

deepagentsRelated to the `deepagents` SDK / agent harnessRelated to the `deepagents` SDK / agent harness

externalUser is not a member of the `langchain-ai` GitHub organizationUser is not a member of the `langchain-ai` GitHub organization

Status: Open.

Bug

#2823 In langchain-ai/deepagents;

· peterkarman1 opened on Apr 18, 2026