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Nested subgraph rendering fails for 3+ levels with <code>draw_mermaid</code> and <code>xray=True</code>

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

#35492 In langchain-ai/langchain;

· Taehan (Hank) Kim (taehan79-kim) opened on Mar 1, 2026

langchain-huggingface==1.2.1 was not released to pypi

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

external

huggingface`langchain-huggingface` package issues & PRs`langchain-huggingface` package issues & PRs

Status: Open.

Bug

#35483 In langchain-ai/langchain;

· Michaël Karpe (MichaelKarpe) opened on Feb 28, 2026

RunnableRetry.batch/abatch can return corrupted outputs when some items succeed on retry and others still fail

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

#35475 In langchain-ai/langchain;

· yangbaechu opened on Feb 28, 2026

Unsupported context management with openai and azure endpoint

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

#35464 In langchain-ai/langchain;

· Marco Franzoi (Djkmarco) opened on Feb 27, 2026

Will langchain support create_agent with pimono-like loop in loop capability.

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

external

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

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

Status: Open.

Feature

#35452 In langchain-ai/langchain;

· lylingzhen opened on Feb 26, 2026

# Bug Report: langchain-docling Pydantic v2 Compatibility Issue

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

external

Status: Open.

Bug

#35443 In langchain-ai/langchain;

· ajithpaugustine opened on Feb 25, 2026

ChatAnthropic latest version 1.3.4(langchain-anthropic) streaming fails with No generation chunks were returned

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

Status: Open.

Bug

#35442 In langchain-ai/langchain;

· GANAPS14 opened on Feb 25, 2026

importing langchain_text_splitters giving NVML warning

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

external

text-splittersRelated to the package `text-splitters`Related to the package `text-splitters`

Status: Open.

Bug

#35437 In langchain-ai/langchain;

· Rakesh Gupta (caravin) opened on Feb 25, 2026

<code>disable_streaming="tool_calling"</code> crashes in streaming mode

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

#35436 In langchain-ai/langchain;

· Edward Meng (edwardmeng) opened on Feb 25, 2026

Allow to pass to .invoke method {messages: list[AnyMessage}

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

Status: Open.

Bug

#35429 In langchain-ai/langchain;

· Ruslan Bel'kov (dantetemplar) opened on Feb 24, 2026

Temperature dropped from responses api payload with gpt-5.2 default reasoning effort

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

#35423 In langchain-ai/langchain;

· Jacob Lee (artdent) opened on Feb 24, 2026

<code>abatch_as_completed</code> does not cancel pending tasks on exception or early exit

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

#35419 In langchain-ai/langchain;

· GAUTAM V DATLA (gautamvarmadatla) opened on Feb 24, 2026