What's Changed

• Minor nit on HyDE by @rlancemartin in https://github.com/langchain-ai/langchain/pull/16478
• template: fix azure params in retrieval agent by @efriis in https://github.com/langchain-ai/langchain/pull/16257
• cli[patch]: add integration tests to default makefile by @efriis in https://github.com/langchain-ai/langchain/pull/16479
• feat(llms): support more tasks in HuggingFaceHub LLM and remove deprecated dep by @mspronesti in https://github.com/langchain-ai/langchain/pull/14406
• Fixed typo on quickstart.ipynb by @dudgeon in https://github.com/langchain-ai/langchain/pull/16482
• community: SQLStrStore/SQLDocStore provide an easy SQL alternative to InMemoryStore to persist data remotely in a SQL storage by @gcheron in https://github.com/langchain-ai/langchain/pull/15909
• community: Fix Baichuan Chat. by @baichuan-assistant in https://github.com/langchain-ai/langchain/pull/15207
• community: normalize bedrock embeddings by @dmenini in https://github.com/langchain-ai/langchain/pull/15103
• feat: adding paygo api support for Azure ML / Azure AI Studio by @santiagxf in https://github.com/langchain-ai/langchain/pull/14560
• community: Improve mlflow callback by @serena-ruan in https://github.com/langchain-ai/langchain/pull/15691
• Include scores in MongoDB Atlas QA chain results by @NoahStapp in https://github.com/langchain-ai/langchain/pull/14666
• langchain[patch]: In HTMLHeaderTextSplitter set default encoding to utf-8 by @i-w-a in https://github.com/langchain-ai/langchain/pull/16372
• langchain: Extract _aperform_agent_action from _aiter_next_step from AgentExecutor by @gianfrancodemarco in https://github.com/langchain-ai/langchain/pull/15707
• community:Adding Konko Completion endpoint by @shivanimodi16 in https://github.com/langchain-ai/langchain/pull/15570
• docs: Updated integration docs structure for chat/anthropic by @L-cloud in https://github.com/langchain-ai/langchain/pull/16268
• Add KDBAI vector store by @bu2kx in https://github.com/langchain-ai/langchain/pull/12797
• Docs: Fix version in which astream_events was released by @eyurtsev in https://github.com/langchain-ai/langchain/pull/16481
• [langchain]: allow passing client with OpenAIAssistantRunnable by @kristapratico in https://github.com/langchain-ai/langchain/pull/16486
• community: Fix MlflowCallback with none artifacts_dir by @serena-ruan in https://github.com/langchain-ai/langchain/pull/16487
• langchain: Minor Fix: Enable Passing custom_headers for Authentication in GraphQL Agent/Tool by @zendegani in https://github.com/langchain-ai/langchain/pull/16413
• Feature: Add iFlyTek Spark LLM chat model support by @vsxd in https://github.com/langchain-ai/langchain/pull/13389
• community: Load list of files using UnstructuredFileLoader by @raunakshrivastava7 in https://github.com/langchain-ai/langchain/pull/16216
• [community][cohere] Update cohere rerank and comparison docs by @BeatrixCohere in https://github.com/langchain-ai/langchain/pull/16198
• [community][document loaders][surrealdb] fix for asyncio by @lalanikarim in https://github.com/langchain-ai/langchain/pull/16092
• Community: added 'conversational' as a valid task for hugginface endopoint models by @alessioserra in https://github.com/langchain-ai/langchain/pull/15761
• Refactor: use SecretStr for yandex embedding by @chyroc in https://github.com/langchain-ai/langchain/pull/15463
• Remove double line by @nfcampos in https://github.com/langchain-ai/langchain/pull/16426
• community: avoid KeyError when language not in LANGUAGE_SEGMENTERS by @dzlab in https://github.com/langchain-ai/langchain/pull/15212
• community: Fix error message when litellm is not installed by @jeremi in https://github.com/langchain-ai/langchain/pull/16316
• docs: typo in tool use quickstart page by @Tipwheal in https://github.com/langchain-ai/langchain/pull/16494
• Docs: Add streaming section by @eyurtsev in https://github.com/langchain-ai/langchain/pull/16468
• added a few suggestions for sql docs by @fpingham in https://github.com/langchain-ai/langchain/pull/16508
• Update SQL agent toolkit docs by @rlancemartin in https://github.com/langchain-ai/langchain/pull/16409
• CI: Update issue template by @eyurtsev in https://github.com/langchain-ai/langchain/pull/16517
• docs: rm output by @efriis in https://github.com/langchain-ai/langchain/pull/16519
• CI: redirect feature requests to ideas in discussions by @eyurtsev in https://github.com/langchain-ai/langchain/pull/16522
• CI: more update to ideas template by @eyurtsev in https://github.com/langchain-ai/langchain/pull/16524
• langchain-google-vertexai: more verbose mypy config by @jamesbraza in https://github.com/langchain-ai/langchain/pull/16307
• Adds progress bar to VertexAIEmbeddings by @ugm2 in https://github.com/langchain-ai/langchain/pull/14542
• docs:Updated integration docs structure for chat/google_vertex_ai_palm by @manokhina in https://github.com/langchain-ai/langchain/pull/16201
• CI: Fix ideas template by @eyurtsev in https://github.com/langchain-ai/langchain/pull/16529
• CI: more updates to feature request template by @eyurtsev in https://github.com/langchain-ai/langchain/pull/16531
• CI: Update q-a template by @eyurtsev in https://github.com/langchain-ai/langchain/pull/16532
• CI: more qa template changes by @eyurtsev in https://github.com/langchain-ai/langchain/pull/16533
• Updated comments about n_gpu_layers in the Metal section by @169 in https://github.com/langchain-ai/langchain/pull/16501
• Added a better error message when location is not supported by @lkuligin in https://github.com/langchain-ai/langchain/pull/16535
• community: VectorStore integration for SAP HANA Cloud Vector Engine by @MartinKolbAtWork in https://github.com/langchain-ai/langchain/pull/16514
• community: added support for Guardrails for Amazon Bedrock by @harelix in https://github.com/langchain-ai/langchain/pull/15099
• anthropic[patch]: allow pop by field name by @baskaryan in https://github.com/langchain-ai/langchain/pull/16544
• core: consolidate conditional in BaseTool by @arnob-sengupta in https://github.com/langchain-ai/langchain/pull/16530
• langchain[patch]: oai tools output parser nit by @baskaryan in https://github.com/langchain-ai/langchain/pull/16540
• docs: Hugging Face update by @leo-gan in https://github.com/langchain-ai/langchain/pull/16490
• docs: allow pdf download of api ref by @baskaryan in https://github.com/langchain-ai/langchain/pull/16550
• community: Add OCI Generative AI integration by @raveharpaz in https://github.com/langchain-ai/langchain/pull/16548
• exa: init pkg by @efriis in https://github.com/langchain-ai/langchain/pull/16553
• langchain-google-vertexai: perserving grounding metadata by @jamesbraza in https://github.com/langchain-ai/langchain/pull/16309
• added logic for method get_num_tokens() by @Adi8885 in https://github.com/langchain-ai/langchain/pull/16205
• langchain[patch]: Fix doc-string grammar by @anders-ahsman in https://github.com/langchain-ai/langchain/pull/16543
• core[patch]: passthrough BaseRetriever.invoke(**kwargs) by @baskaryan in https://github.com/langchain-ai/langchain/pull/16551
• community: YandexGPT models - add sleep_interval by @tyumentsev4 in https://github.com/langchain-ai/langchain/pull/16566
• langchain : Fix message type lookup in Anthropic Partners by @L-cloud in https://github.com/langchain-ai/langchain/pull/16563
• Use official code url by @169 in https://github.com/langchain-ai/langchain/pull/16560
• Fix broken urls by @169 in https://github.com/langchain-ai/langchain/pull/16559
• community: Add LiteLLM Router Integration by @bburgin in https://github.com/langchain-ai/langchain/pull/15588
• core[patch], community[patch], openai[patch]: consolidate openai tool… by @baskaryan in https://github.com/langchain-ai/langchain/pull/16485
• docs: output parser nits by @baskaryan in https://github.com/langchain-ai/langchain/pull/16588
• openai[patch]: accept function_call dict in bind_functions by @baskaryan in https://github.com/langchain-ai/langchain/pull/16483
• docs: rag citations by @baskaryan in https://github.com/langchain-ai/langchain/pull/16549
• core[patch]: Release 0.1.16 by @baskaryan in https://github.com/langchain-ai/langchain/pull/16589
• openai[patch]: Release 0.0.4 by @baskaryan in https://github.com/langchain-ai/langchain/pull/16590
• community[patch]: Release 0.0.16 by @baskaryan in https://github.com/langchain-ai/langchain/pull/16591
• langchain[patch]: Release 0.1.4 by @baskaryan in https://github.com/langchain-ai/langchain/pull/16592
• infra: move indexing documentation test by @baskaryan in https://github.com/langchain-ai/langchain/pull/16595

New Contributors

• @dudgeon made their first contribution in https://github.com/langchain-ai/langchain/pull/16482
• @gcheron made their first contribution in https://github.com/langchain-ai/langchain/pull/15909
• @baichuan-assistant made their first contribution in https://github.com/langchain-ai/langchain/pull/15207
• @santiagxf made their first contribution in https://github.com/langchain-ai/langchain/pull/14560
• @serena-ruan made their first contribution in https://github.com/langchain-ai/langchain/pull/15691
• @i-w-a made their first contribution in https://github.com/langchain-ai/langchain/pull/16372
• @gianfrancodemarco made their first contribution in https://github.com/langchain-ai/langchain/pull/15707
• @shivanimodi16 made their first contribution in https://github.com/langchain-ai/langchain/pull/15570
• @L-cloud made their first contribution in https://github.com/langchain-ai/langchain/pull/16268
• @bu2kx made their first contribution in https://github.com/langchain-ai/langchain/pull/12797
• @kristapratico made their first contribution in https://github.com/langchain-ai/langchain/pull/16486
• @zendegani made their first contribution in https://github.com/langchain-ai/langchain/pull/16413
• @vsxd made their first contribution in https://github.com/langchain-ai/langchain/pull/13389
• @alessioserra made their first contribution in https://github.com/langchain-ai/langchain/pull/15761
• @dzlab made their first contribution in https://github.com/langchain-ai/langchain/pull/15212
• @jeremi made their first contribution in https://github.com/langchain-ai/langchain/pull/16316
• @Tipwheal made their first contribution in https://github.com/langchain-ai/langchain/pull/16494
• @manokhina made their first contribution in https://github.com/langchain-ai/langchain/pull/16201
• @MartinKolbAtWork made their first contribution in https://github.com/langchain-ai/langchain/pull/16514
• @harelix made their first contribution in https://github.com/langchain-ai/langchain/pull/15099
• @arnob-sengupta made their first contribution in https://github.com/langchain-ai/langchain/pull/16530
• @raveharpaz made their first contribution in https://github.com/langchain-ai/langchain/pull/16548
• @Adi8885 made their first contribution in https://github.com/langchain-ai/langchain/pull/16205
• @anders-ahsman made their first contribution in https://github.com/langchain-ai/langchain/pull/16543
• @bburgin made their first contribution in https://github.com/langchain-ai/langchain/pull/15588

Full Changelog: https://github.com/langchain-ai/langchain/compare/v0.1.3...v0.1.4