0.2.0@next

What's Changed

• Release 0.1.37 by @bracesproul in #5334
• community[patch]: Release 0.0.56 by @bracesproul in #5335
• langchain[patch]: Fix passing run configs through in AgentExecutor by @bracesproul in #5338
• core[minor]: RunnableLambda should consume (async) iterator if the wrapped function returns one by @nfcampos in #5342
• docs[minor]: 0.1 support by @bracesproul in #5343
• community[minor]: Improve Azure Cosmos DB vector store support by @sinedied in #5197
• Revert "Merge branch 'v0.1' into main" by @bracesproul in #5345
• langchain[major],community[major],core[minor]: LangChain 0.2 by @jacoblee93 in #5204
• langchain[patch]: Remove outdated test by @jacoblee93 in #5347
• Add MLC Web-LLM Integration by @Adrastopoulos in #5243
• docs[major]: 0.2 Docs by @bracesproul in #5319
• openai[minor]: Update OpenAI with Azure Specific Code by @sarangan12 in #5323
• chore[deps]: update js-tiktoken to 1.0.12 to support o200k_base by @dqbd in #5354
• docs[patch]: Add link for creating gh issue by @bracesproul in #5351
• docs[minor]: Add missing use cases by @bracesproul in #5353
• community[patch]: support alibaba_tongyi stream output by @sinajia in #5271
• docs[patch]: Qdrant partner package reference by @Anush008 in #5358
• docs[patch]: Updates Agent types doc to add Tool Calling Agent by @rahilvora in #5359
• docs[patch]: Add version docs by @bracesproul in #5369
• docs[patch]: Add versions sidebar by @bracesproul in #5370
• scripts[minor]: Add new migration script by @bracesproul in #5228
• docs[patch]: Wrap SVG paths in useBaseUrl by @bracesproul in #5374
• docs[patch]: Update install instructions by @jacoblee93 in #5372
• docs[minor] extraction tutorial by @bracesproul in #5371
• docs[minor]: classification tutorial by @bracesproul in #5375
• docs: update to 0.2 index by @efriis in #5376
• docs[patch]: Adds LCEL how-to docs by @jacoblee93 in #5377
• core[patch]: Adding raiseError Field to Callbacks by @CahidArda in #5373
• docs: disable contextual search by @efriis in #5378
• google-genai[minor]: Add support for video/audio inputs by @bracesproul in #5368
• all[patch]: Loosen core dependencies by @bracesproul in #5367
• community[patch]: Release 0.2.0-rc.0 by @bracesproul in #5384
• partnet packages[patch]: Release all by @bracesproul in #5388
• docs: feedback link in banner by @baskaryan in #5387
• anthropic[patch]: Run formatting by @bracesproul in #5390
• docs[patch]: update api ref base url to contain v2 subdomain by @bracesproul in #5392
• docs[patch]: Update debugging and streaming guide content by @jacoblee93 in #5395
• docs[patch]: Fix Python docs link by @jacoblee93 in #5396
• docs[minor]: Delete 'old' docs folder & contents by @bracesproul in #5394
• docs[patch]: Guide content fixes by @jacoblee93 in #5400
• openai[patch]: Update default headers azure & Add Token Provider Check by @sarangan12 in #5379
• openai[patch]: Release 0.0.31 (#5401) by @jacoblee93 in #5402
• docs[patch]: LangGraph Docs remove unused import from code examples by @theitaliandev in #5391
• core[major]: Update streamEvent signature to return IterableReadableStream by @jacoblee93 in #5360
• docs[patch]: Move installation doc to how tos by @bracesproul in #5399
• docs[patch]: Add logprob docs, more updates by @jacoblee93 in #5404
• docs[patch]: Add onlyWsa prop to chat model tabs, other nits by @bracesproul in #5405
• docs[minor]: Show sidebar inside how to/tutorial by @bracesproul in #5406
• docs[patch]: fix monorepo typo by @yoogle96 in #5411
• docs[minor]: Match py how to index page by @bracesproul in #5414
• anthropic[minor]: Add tool_choice arg by @bracesproul in #5416
• langchain[patch]: Add deprecation warnings to document loaders by @bracesproul in #5419
• docs[patch]: Fix broken links by @bracesproul in #5420
• docs[patch]: Update text splitter docs by @jacoblee93 in #5424
• docs[minor]: Hide prev/next buttons on how to and tutorials by @bracesproul in #5425
• docs[minor]: Log actual prompt when using prompt hub by @bracesproul in #5423
• docs[minor]: version dropdown by @efriis in #5422
• docs[minor]: Add tools prompting docs by @bracesproul in #5431
• docs[patch]: Update API ref url in docs to v02 by @bracesproul in #5432
• docs[patch]: Update retrieval and embeddings docs by @jacoblee93 in #5429
• docs[patch]: Replace prerequisite links component by @jacoblee93 in #5430
• api_refs[minor]: Add version dropdown by @bracesproul in #5435
• core[minor]: Unified model params for LS by @bracesproul in #5427
• docs[patch]: Remove links to missing docs by @bracesproul in #5438
• core[patch]: Move async generator consumption code into local storage context by @jacoblee93 in #5439
• core[patch]: Release 0.2.0 (next) by @bracesproul in #5443
• environment_tests[minor],langchain[minor]: Upgrade core dep to 0.2.0 by @bracesproul in #5444
• langchain[patch]: Release 0.2.0 (next) by @bracesproul in #5445

New Contributors

• @nick-w-nick made their first contribution in #5219
• @jeasonnow made their first contribution in #5182
• @Dieber made their first contribution in #5214
• @paul-paliychuk made their first contribution in #5206
• @sis0k0 made their first contribution in #5249
• @Fiyin-Anne made their first contribution in #5261
• @Penggeor made their first contribution in #5244
• @tanyaasharma made their first contribution in #5103
• @JackFener made their first contribution in #5190
• @osehmathias made their first contribution in #5279
• @pokutuna made their first contribution in #5286
• @tolares made their first contribution in #5162
• @JuHyung-Son made their first contribution in #5307
• @Shaydesh made their first contribution in #5310
• @Adrastopoulos made their first contribution in #5243
• @sinajia made their first contribution in #5271
• @CahidArda made their first contribution in #5373
• @theitaliandev made their first contribution in #5391
• @yoogle96 made their first contribution in #5411

Full Changelog: https://github.com/langchain-ai/langchainjs/compare/0.1.37...0.2.0@next