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RFC: First-Class OpenRouter Provider Integration (ChatOpenRouter)

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

external

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

Status: Open.

Feature

#34962 In langchain-ai/langchain;

· Arihant0008 opened on Feb 1, 2026

FileSystemBackend path traveseral on NextJS files

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

#34961 In langchain-ai/langchain;

· peterkarman1 opened on Feb 1, 2026

Enable Exporting Select Agent Metrics to Customer-facing Dashboards in Real-Time

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

#34956 In langchain-ai/langchain;

· f4roukb opened on Feb 1, 2026

Enable Messages PII Anonymization through External APIs

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

#34955 In langchain-ai/langchain;

· f4roukb opened on Feb 1, 2026

Feature request: Metadata hydrator support for TextSplitters to enrich chunk metadata

external

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

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

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

Status: Open.

Feature

#34954 In langchain-ai/langchain;

· dvy246 opened on Feb 1, 2026

Feature Request: Encrypted Memory Backends for LangChain

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

external

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

Status: Open.

Feature

#34953 In langchain-ai/langchain;

· HATAKEkakshi opened on Feb 1, 2026

Add WordTextSplitter for word-based text chunking

external

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

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

Status: Open.

Feature

#34950 In langchain-ai/langchain;

· llzeronedll opened on Jan 31, 2026

docs: RecursiveCharacterTextSplitter lacks guidance for non-Latin scripts (Arabic, CJK)

external

Status: Open.

#34931 In langchain-ai/langchain;

· salehA13 opened on Jan 30, 2026

Memory leaks in plain LLM calls

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

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

Status: Open.

Bug

#34930 In langchain-ai/langchain;

· lenoch0d opened on Jan 30, 2026

AIMessage.tool_calls lost during serialization in InMemoryChatMessageHistory

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

#34925 In langchain-ai/langchain;

· Momo-Not-Emo opened on Jan 29, 2026

Support OpenAI responses/compact endpoint

external

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

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

Status: Open.

Feature

#34924 In langchain-ai/langchain;

· VMinB12 opened on Jan 29, 2026

# <code>cache_control</code> inside <code>ToolMessage.content[]</code> blocks causes Anthropic <code>invalid_cache</code> error

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

#34920 In langchain-ai/langchain;

· vikram-typeset opened on Jan 29, 2026