Pull Requests langchain-ai/langchain

chore(model-profiles): refresh model profile data integration infra model-profiles xai internal openrouter bot size: S

#38739 opened 2026-07-09 09:06 by langchain-oss-model-profiles[bot]

fix: Regex pattern injection via user-controlled ripgrep search pattern langchain fix internal size: XS

#38737 opened 2026-07-09 06:10 by corridor-security[bot]

fix(core)!: include multimodal blocks in `get_buffer_string` prefix format core breaking fix internal size: S

#38174 opened 2026-06-15 19:32 by mdrxy

fix(langchain): make `write_todos` calls tool-only to stop duplicated plan text langchain fix internal size: XS

#38132 opened 2026-06-13 06:41 by mdrxy

feat(perplexity): native content-block streaming events integration feature perplexity internal size: L

#38070 opened 2026-06-11 13:56 by nick-hollon-lc

feat(fireworks): native content-block streaming events integration feature fireworks internal size: L

#38050 opened 2026-06-11 01:12 by nick-hollon-lc

feat(openrouter): native content-block streaming events integration feature internal openrouter size: L

#38030 opened 2026-06-10 19:16 by nick-hollon-lc

feat(groq): native content-block streaming events integration feature groq internal size: L

#38029 opened 2026-06-10 18:57 by nick-hollon-lc

feat(mistralai): native content-block streaming events integration feature mistralai internal size: L

#38022 opened 2026-06-10 16:26 by nick-hollon-lc

feat(ollama): native content-block streaming events integration feature ollama internal size: L

#38019 opened 2026-06-10 14:23 by nick-hollon-lc

feat(openai): provider-aware native streaming for compatible subclasses integration feature deepseek openai xai internal size: S

#38006 opened 2026-06-10 03:02 by nick-hollon-lc

feat(openai): native content-block streaming for the Responses API integration feature openai internal size: M

#38004 opened 2026-06-10 02:21 by nick-hollon-lc

feat(openai): native content-block streaming for chat completions integration feature openai internal size: L

#37999 opened 2026-06-10 00:05 by nick-hollon-lc

feat(core): native content-block streaming with Anthropic reference integration core feature anthropic internal size: L

#37995 opened 2026-06-09 21:58 by nick-hollon-lc

fix(langchain): neutralize `write_todos` tool message langchain fix internal size: S

#37698 opened 2026-05-26 15:23 by nick-hollon-lc

fix(core): use parsed mime_type for base64 file blocks in openai translator core fix external size: S new-contributor

#36940 opened 2026-04-22 07:21 by anmolg1997

fix(openai): add support for logprobs when using the response api integration fix openai external size: S new-contributor

#36371 opened 2026-03-30 10:23 by HOZHENWAI

fix(core): fix `trim_messages` misclassification of per-message token_counter core fix external size: S

#35630 opened 2026-03-07 07:46 by gautamvarmadatla

fix(anthropic): omit `timeout` from `client_params` when not set by user integration fix anthropic external trusted-contributor size: XS

#35619 opened 2026-03-07 01:12 by keenborder786

fix(openai): omit `timeout` from `client_params` when not set by user integration fix openai external trusted-contributor size: XS

#35616 opened 2026-03-07 00:58 by keenborder786

fix(core): prevent inflated token counts when merging streaming usage_metadata core fix external size: S

#35615 opened 2026-03-07 00:42 by ShresthSamyak

fix(langchain)!: default to `google_genai` instead of `google_vertexai` langchain breaking fix internal size: XS

#35537 opened 2026-03-03 15:40 by mdrxy

fix(core): fix nested subgraph rendering for 3+ level nesting in draw_mermaid core fix external size: S

#35493 opened 2026-03-01 09:29 by taehan79-kim

fix(core): add bind_tools to RunnableSequence for post-structured-out… integration core fix openai external size: S

#35491 opened 2026-03-01 06:24 by senguttuvan

fix(openai): fix if/elif chain and unhandled tool name in `_consolidate_calls` integration fix openai external size: S bypass-issue-check

#35482 opened 2026-02-28 12:27 by umut-polat

fix(core): lazy loading transformers, numpy, simsimd core fix external size: XS

#35466 opened 2026-02-27 16:52 by wkpark

fix(openai): force stream=False in _generate/_agenerate when disable_streaming is active integration core fix openai external size: S

#35457 opened 2026-02-26 21:57 by Anandesh-Sharma

fix(openai): preserve temperature for gpt-5.1+ models with default reasoning_effort='none' integration fix openai external size: S

#35424 opened 2026-02-24 17:43 by saakshigupta2002

fix(core): cancel pending tasks in abatch_as_completed on early exit or exception core fix external size: S

#35420 opened 2026-02-24 14:27 by gautamvarmadatla

fix(core): remove str coercion in `get_from_dict_or_env` core fix internal size: XS

#35378 opened 2026-02-21 07:26 by mdrxy