Langchain

What's Changed
* update rss doc by baskaryan in https://github.com/langchain-ai/langchain/pull/8761
* Updates fireworks by rjanardhan3 in https://github.com/langchain-ai/langchain/pull/8765
* add documentation for serializer function by balnarendrasapa in https://github.com/langchain-ai/langchain/pull/8769
* Update get_started.mdx by snehil002 in https://github.com/langchain-ai/langchain/pull/8744
* (issue 5163) Append reminder to nest multi-prompt router prompt output in JSON markdown code block, resolving JSON parsing error. by wnmurphy in https://github.com/langchain-ai/langchain/pull/8709
* fix makefile help by leo-gan in https://github.com/langchain-ai/langchain/pull/8723
* Amazon Textract as document loader by 3coins in https://github.com/langchain-ai/langchain/pull/8661
* Add templates by eyurtsev in https://github.com/langchain-ai/langchain/pull/8646
* Bagatur/runnable with fallbacks by baskaryan in https://github.com/langchain-ai/langchain/pull/8543
* docs: llamacpp minor fixes by dayouliu in https://github.com/langchain-ai/langchain/pull/8738
* Update documentation for prompts by eyurtsev in https://github.com/langchain-ai/langchain/pull/8381
* Extend the StreamlitChatMessageHistory docs with a fuller example and… by sfc-gh-jcarroll in https://github.com/langchain-ai/langchain/pull/8774
* rm sklearn links by baskaryan in https://github.com/langchain-ai/langchain/pull/8773
* fix:get bilibili subtitles by liguoqinjim in https://github.com/langchain-ai/langchain/pull/8165
* Support evaluating runnables and arbitrary functions by hinthornw in https://github.com/langchain-ai/langchain/pull/8698
* Same Project for Eval Runs by hinthornw in https://github.com/langchain-ai/langchain/pull/8781
* Refactor for extraction docs by fpingham in https://github.com/langchain-ai/langchain/pull/8465
* Bagatur/nuclia by baskaryan in https://github.com/langchain-ai/langchain/pull/8404
* bump 253 by baskaryan in https://github.com/langchain-ai/langchain/pull/8798

New Contributors
* snehil002 made their first contribution in https://github.com/langchain-ai/langchain/pull/8744
* dayouliu made their first contribution in https://github.com/langchain-ai/langchain/pull/8738
* liguoqinjim made their first contribution in https://github.com/langchain-ai/langchain/pull/8165

**Full Changelog**: https://github.com/langchain-ai/langchain/compare/v0.0.252...v0.0.253

What's Changed
* Permit none key in chain mapper by hinthornw in https://github.com/langchain-ai/langchain/pull/8696
* updated interface jupyter notebook explanations by axa99 in https://github.com/langchain-ai/langchain/pull/8689
* lint by hinthornw in https://github.com/langchain-ai/langchain/pull/8702
* Bagatur/eden llm by baskaryan in https://github.com/langchain-ai/langchain/pull/8670
* feat: Add Spell Correction Spec to Google Cloud Enterprise Search connector by holtskinner in https://github.com/langchain-ai/langchain/pull/8705
* relax deps for yaml by hwchase17 in https://github.com/langchain-ai/langchain/pull/8713
* added minimum expected version of SDK to the error description by lkuligin in https://github.com/langchain-ai/langchain/pull/8712
* Deterministic Fake Embedding Model by yuhuishi-convect in https://github.com/langchain-ai/langchain/pull/8706
* add model_revison parameter to ModelScopeEmbeddings by sumandeng in https://github.com/langchain-ai/langchain/pull/8669
* RSS Feed / OPML loader by ruze00 in https://github.com/langchain-ai/langchain/pull/8694
* Fix Async Retry Event Handling by hinthornw in https://github.com/langchain-ai/langchain/pull/8659
* fix RecursiveUrlLoader by rysloan4 in https://github.com/langchain-ai/langchain/pull/8582
* add serializer methods by balnarendrasapa in https://github.com/langchain-ai/langchain/pull/7914
* propagate RetrievalQA chain callbacks through its own LLMChain and StuffDocumentsChain by alecf in https://github.com/langchain-ai/langchain/pull/7853
* propagate callbacks through load_summarize_chain by alecf in https://github.com/langchain-ai/langchain/pull/7565
* Updates to Vectara documentation by ofermend in https://github.com/langchain-ai/langchain/pull/8699
* Fix Issue 6650: Enable Azure Active Directory token-based auth access for AzureChatOpenAI by vmansolas in https://github.com/langchain-ai/langchain/pull/8622
* Add regex control over separators in character text splitter by IlyaMichlin in https://github.com/langchain-ai/langchain/pull/7933
* Provides access to a Document page_content formatter in the AmazonKendraRetriever by wnleao in https://github.com/langchain-ai/langchain/pull/8034
* Harrison/aleph alpha by hwchase17 in https://github.com/langchain-ai/langchain/pull/8735
* Retriever that can re-phase user inputs by rlancemartin in https://github.com/langchain-ai/langchain/pull/8026
* Reduce generation of temporary objects by panzi in https://github.com/langchain-ai/langchain/pull/7950
* Removing score threshold parameter of faiss _similarity_search_with_r… by Sidchat95 in https://github.com/langchain-ai/langchain/pull/8093
* Issue 8081 Fix query results size bug. Other bug: pass vector_field param. by aerickson-clt in https://github.com/langchain-ai/langchain/pull/8085
* typo: ignored to ignore by linpan in https://github.com/langchain-ai/langchain/pull/8740
* Issue 8089 Improve painless script scoring with params.query_value. by aerickson-clt in https://github.com/langchain-ai/langchain/pull/8086
* add save and load tfidf vectorizer and docs for TFIDFRetriever by shibuiwilliam in https://github.com/langchain-ai/langchain/pull/8112
* add filter to sklearn vector store functions by shibuiwilliam in https://github.com/langchain-ai/langchain/pull/8113
* Fix load map reduce documents chain by deepblue in https://github.com/langchain-ai/langchain/pull/7915
* Add ScaNN support in vectorstore. by arron2003 in https://github.com/langchain-ai/langchain/pull/8251
* add `load()` deserializer function that bypasses need for json serialization by alecf in https://github.com/langchain-ai/langchain/pull/7626
* support for arbitrary kwargs for llamacpp by baskaryan in https://github.com/langchain-ai/langchain/pull/8727
* Chatbots use case by rlancemartin in https://github.com/langchain-ai/langchain/pull/8554
* update repo username to langchain-ai by benman1 in https://github.com/langchain-ai/langchain/pull/8747
* Revert "add filter to sklearn vector store functions (8113)" by baskaryan in https://github.com/langchain-ai/langchain/pull/8760
* bump 252 by baskaryan in https://github.com/langchain-ai/langchain/pull/8759

New Contributors
* axa99 made their first contribution in https://github.com/langchain-ai/langchain/pull/8689
* yuhuishi-convect made their first contribution in https://github.com/langchain-ai/langchain/pull/8706
* sumandeng made their first contribution in https://github.com/langchain-ai/langchain/pull/8669
* rysloan4 made their first contribution in https://github.com/langchain-ai/langchain/pull/8582
* balnarendrasapa made their first contribution in https://github.com/langchain-ai/langchain/pull/7914
* vmansolas made their first contribution in https://github.com/langchain-ai/langchain/pull/8622
* panzi made their first contribution in https://github.com/langchain-ai/langchain/pull/7950
* aerickson-clt made their first contribution in https://github.com/langchain-ai/langchain/pull/8085
* linpan made their first contribution in https://github.com/langchain-ai/langchain/pull/8740
* arron2003 made their first contribution in https://github.com/langchain-ai/langchain/pull/8251

**Full Changelog**: https://github.com/langchain-ai/langchain/compare/v0.0.251...v0.0.252

What's Changed
* Re-add __add__ functionality for messages (revert 8245) by eyurtsev in https://github.com/langchain-ai/langchain/pull/8489
* Enterprise support form in airtable by efriis in https://github.com/langchain-ai/langchain/pull/8607
* Refactor Qdrant integration by kacperlukawski in https://github.com/langchain-ai/langchain/pull/8634
* `MLflow` examples by leo-gan in https://github.com/langchain-ai/langchain/pull/8642
* 🐛 Docs Fixes [2 one-liners, examples broken] by will-thompson-k in https://github.com/langchain-ai/langchain/pull/8519
* Add summarization use-case by rlancemartin in https://github.com/langchain-ai/langchain/pull/8376
* Enterprise support form wording by efriis in https://github.com/langchain-ai/langchain/pull/8641
* docs: fix some grammar by millerick in https://github.com/langchain-ai/langchain/pull/8654
* fix enum error message by hinthornw in https://github.com/langchain-ai/langchain/pull/8652
* Use call directly for chain by hinthornw in https://github.com/langchain-ai/langchain/pull/8655
* Use salt instead of datetime by hinthornw in https://github.com/langchain-ai/langchain/pull/8653
* add missing RemoteLangChainRetriever _get_relevant_documents test by shibuiwilliam in https://github.com/langchain-ai/langchain/pull/8628
* Newspaper by ruze00 in https://github.com/langchain-ai/langchain/pull/8647
* Harrison/conversational retrieval agent by hwchase17 in https://github.com/langchain-ai/langchain/pull/8639
* Minor formatting and additional figure for summarization use case by rlancemartin in https://github.com/langchain-ai/langchain/pull/8663
* Minor typo fix by eyurtsev in https://github.com/langchain-ai/langchain/pull/8657
* bump 251 by baskaryan in https://github.com/langchain-ai/langchain/pull/8690

New Contributors
* will-thompson-k made their first contribution in https://github.com/langchain-ai/langchain/pull/8519
* millerick made their first contribution in https://github.com/langchain-ai/langchain/pull/8654
* ruze00 made their first contribution in https://github.com/langchain-ai/langchain/pull/8647

**Full Changelog**: https://github.com/langchain-ai/langchain/compare/v0.0.250...v0.0.251

What's Changed
* Add new run types for Runnables by nfcampos in https://github.com/langchain-ai/langchain/pull/8488
* fix apparent spelling inconsistencies by shibuiwilliam in https://github.com/langchain-ai/langchain/pull/8574
* Docstrings: Module descriptions by leo-gan in https://github.com/langchain-ai/langchain/pull/8262
* Add Support for Loading Documents from Huawei OBS by mpb159753 in https://github.com/langchain-ai/langchain/pull/8573
* Bug fix: feature/issue-7804-chroma-client_settings-bug by kristellewidjaja in https://github.com/langchain-ai/langchain/pull/8267
* Harrison/loader bug by hwchase17 in https://github.com/langchain-ai/langchain/pull/8559
* Callback handler for Amazon SageMaker Experiments by tesfagabir in https://github.com/langchain-ai/langchain/pull/8587
* updated to use new llm_util query by brettdbrewer in https://github.com/langchain-ai/langchain/pull/8591
* mv by baskaryan in https://github.com/langchain-ai/langchain/pull/8595
* docs: update `unstructured` install instructions by MthwRobinson in https://github.com/langchain-ai/langchain/pull/8596
* Add StreamlitChatMessageHistory by sfc-gh-jcarroll in https://github.com/langchain-ai/langchain/pull/8497
* [OpenSearch] : Fix AOSS Initialization by naveentatikonda in https://github.com/langchain-ai/langchain/pull/8600
* Add firestore_client param to FirestoreChatMessageHistory if caller already has one; also lets them specify GCP project, etc. by wnmurphy in https://github.com/langchain-ai/langchain/pull/8601
* normalized openai embeddings embed_query by baskaryan in https://github.com/langchain-ai/langchain/pull/8604
* Fireworks integration by rjanardhan3 in https://github.com/langchain-ai/langchain/pull/8322
* cast to string when measuring token length by hwchase17 in https://github.com/langchain-ai/langchain/pull/8617
* [Opensearch] : Fix the service validation in http_auth by naveentatikonda in https://github.com/langchain-ai/langchain/pull/8609
* Add local support for audio models (PR 7329) by Comendeiro in https://github.com/langchain-ai/langchain/pull/7591
* bump 250 by baskaryan in https://github.com/langchain-ai/langchain/pull/8632

New Contributors
* mpb159753 made their first contribution in https://github.com/langchain-ai/langchain/pull/8573
* kristellewidjaja made their first contribution in https://github.com/langchain-ai/langchain/pull/8267
* tesfagabir made their first contribution in https://github.com/langchain-ai/langchain/pull/8587
* brettdbrewer made their first contribution in https://github.com/langchain-ai/langchain/pull/8591
* wnmurphy made their first contribution in https://github.com/langchain-ai/langchain/pull/8601
* rjanardhan3 made their first contribution in https://github.com/langchain-ai/langchain/pull/8322
* Comendeiro made their first contribution in https://github.com/langchain-ai/langchain/pull/7591

**Full Changelog**: https://github.com/langchain-ai/langchain/compare/v0.0.249...v0.0.250

What's Changed
* Minor improvements to rockset vectorstore by anubhav94N in https://github.com/langchain-ai/langchain/pull/8416
* router runnable by hwchase17 in https://github.com/langchain-ai/langchain/pull/8496
* Rely less on positional arg order in subclasses of vector store when calling async methods by nfcampos in https://github.com/langchain-ai/langchain/pull/8534
* fix web loader by hwchase17 in https://github.com/langchain-ai/langchain/pull/8538
* docs: Update ArangoDB Colab URL by aMahanna in https://github.com/langchain-ai/langchain/pull/8547
* Add LLaMa Formatter and AzureML Chat Endpoint by matthewdeguzman in https://github.com/langchain-ai/langchain/pull/8382
* SQL Query Prompt update + added _execute method for SQLDatabase by keenborder786 in https://github.com/langchain-ai/langchain/pull/8100
* fix error in chroma docker instructions by jeffchuber in https://github.com/langchain-ai/langchain/pull/8533
* conversational retrieval chain in lcel by hwchase17 in https://github.com/langchain-ai/langchain/pull/8532
* Updating docstings in utilities by Gordon-BP in https://github.com/langchain-ai/langchain/pull/8411
* fix issue 8357 by making json backtick regex greedy by bborn in https://github.com/langchain-ai/langchain/pull/8528
* doc(prompts): Follow up on broken Prompt Sublink pages by Bharat123rox in https://github.com/langchain-ai/langchain/pull/8530
* add tests to redis vectorstore by shibuiwilliam in https://github.com/langchain-ai/langchain/pull/8116
* Bug Fix - 8415 by pranaychandekar in https://github.com/langchain-ai/langchain/pull/8417
* Updated docs on Vertex AI going GA by lkuligin in https://github.com/langchain-ai/langchain/pull/8531
* updates some spelling mistakes by Dannzzor in https://github.com/langchain-ai/langchain/pull/8537
* AzureSearch Vector Store: Moving the usage of additional_fields into context of it's definition (bug fix from python error) by kevinbuckley in https://github.com/langchain-ai/langchain/pull/8551
* Add ConcurrentLoader by kdcokenny in https://github.com/langchain-ai/langchain/pull/7512
* fix: openapi controller prompt, when bot is unable to resolve an api … by ydh926 in https://github.com/langchain-ai/langchain/pull/7525
* Fixed bug7445 where a duplicate restuld_id is added to the vectorstore. by datha in https://github.com/langchain-ai/langchain/pull/7573
* Fast load conversationsummarymemory from existing summary by ShantanuNair in https://github.com/langchain-ai/langchain/pull/7533
* Update combined.py by mzamini92 in https://github.com/langchain-ai/langchain/pull/7541
* Fix combining runnable sequences by jacoblee93 in https://github.com/langchain-ai/langchain/pull/8557
* Rm RunTypeEnum by hinthornw in https://github.com/langchain-ai/langchain/pull/8553
* add example for memory by hwchase17 in https://github.com/langchain-ai/langchain/pull/8552
* bump 249 by baskaryan in https://github.com/langchain-ai/langchain/pull/8571

New Contributors
* Dannzzor made their first contribution in https://github.com/langchain-ai/langchain/pull/8537
* kevinbuckley made their first contribution in https://github.com/langchain-ai/langchain/pull/8551
* ydh926 made their first contribution in https://github.com/langchain-ai/langchain/pull/7525
* datha made their first contribution in https://github.com/langchain-ai/langchain/pull/7573
* mzamini92 made their first contribution in https://github.com/langchain-ai/langchain/pull/7541

**Full Changelog**: https://github.com/langchain-ai/langchain/compare/v0.0.248...v0.0.249

What's Changed
* add notebook for sql query by hwchase17 in https://github.com/langchain-ai/langchain/pull/8442
* Update supabase docstrings by hinthornw in https://github.com/langchain-ai/langchain/pull/8443
* Partial formatting for chat messages by hinthornw in https://github.com/langchain-ai/langchain/pull/8450
* Wfh/update guide imports by hinthornw in https://github.com/langchain-ai/langchain/pull/8452
* log output parser by hwchase17 in https://github.com/langchain-ai/langchain/pull/8446
* Wfh/ref links by hinthornw in https://github.com/langchain-ai/langchain/pull/8454
* add guide notebook by hwchase17 in https://github.com/langchain-ai/langchain/pull/8258
* Implement Runnable for Tools by nfcampos in https://github.com/langchain-ai/langchain/pull/8460
* improve notebooks by hwchase17 in https://github.com/langchain-ai/langchain/pull/8461
* runnable.bind().bind() should combine kwargs, instead of nesting wrappers by nfcampos in https://github.com/langchain-ai/langchain/pull/8467
* fix links generation by hwchase17 in https://github.com/langchain-ai/langchain/pull/8471
* add anthropic functions wrapper by hwchase17 in https://github.com/langchain-ai/langchain/pull/8475
* bump experimental to 008 by hwchase17 in https://github.com/langchain-ai/langchain/pull/8490
* prompt cleanup by hwchase17 in https://github.com/langchain-ai/langchain/pull/8470
* add test to ensure values in time weighted retriever are updated by shibuiwilliam in https://github.com/langchain-ai/langchain/pull/8479
* Added Proper Documentation for `faiss-gpu` Installation by OttomanZ in https://github.com/langchain-ai/langchain/pull/8492
* Fix documentation for from_documents signature by lud-hu in https://github.com/langchain-ai/langchain/pull/8482
* doc(prompts): Add redirects in Prompt subcategories pages by Bharat123rox in https://github.com/langchain-ai/langchain/pull/8478
* Update doc-string in few shot template by eyurtsev in https://github.com/langchain-ai/langchain/pull/8474
* ChatPromptTemplate: clean up doc-string by eyurtsev in https://github.com/langchain-ai/langchain/pull/8473
* Fixed exports for NeptuneOpenCypherQAChain by 3coins in https://github.com/langchain-ai/langchain/pull/8439
* Fixed typo: papaer -> paper by nicolas-raoul in https://github.com/langchain-ai/langchain/pull/8500
* Fix ChromaDB integration -> docker container instructions by that-one-arab in https://github.com/langchain-ai/langchain/pull/8447
* Fix GitLoader to handle repeated load calls by os1ma in https://github.com/langchain-ai/langchain/pull/8412
* add initial anthropic agent by hwchase17 in https://github.com/langchain-ai/langchain/pull/8468
* bump 248 by baskaryan in https://github.com/langchain-ai/langchain/pull/8518

New Contributors
* OttomanZ made their first contribution in https://github.com/langchain-ai/langchain/pull/8492
* lud-hu made their first contribution in https://github.com/langchain-ai/langchain/pull/8482
* nicolas-raoul made their first contribution in https://github.com/langchain-ai/langchain/pull/8500
* that-one-arab made their first contribution in https://github.com/langchain-ai/langchain/pull/8447

**Full Changelog**: https://github.com/langchain-ai/langchain/compare/v0.0.247...v0.0.248