What's Changed
* Include placeholder value for all secrets, not just kwargs by dqbd in https://github.com/hwchase17/langchain/pull/6421
* expose docs chains by hwchase17 in https://github.com/hwchase17/langchain/pull/6453
* Run eval in eval mode by vowelparrot in https://github.com/hwchase17/langchain/pull/6447
* Update arize_callback.py by hakantekgul in https://github.com/hwchase17/langchain/pull/6433
* Add Trajectory Eval RunEvaluator by vowelparrot in https://github.com/hwchase17/langchain/pull/6449
* fix anthropic chat model mutating input list by agola11 in https://github.com/hwchase17/langchain/pull/6457
* Remove extra word in the introduction documentation by andreybavt in https://github.com/hwchase17/langchain/pull/6450
* Add example for question answering over documents with OpenAI Function Agent by homanp in https://github.com/hwchase17/langchain/pull/6448
* Add `_similarity_search_with_relevance_scores` in `Pinecone` by neo in https://github.com/hwchase17/langchain/pull/6446
* Update web_base.ipynb by jackfrost1411 in https://github.com/hwchase17/langchain/pull/6430
* Remove backticks without clear purpose from docs by ykerus in https://github.com/hwchase17/langchain/pull/6442
* Fix Custom LLM Agent example by nirga in https://github.com/hwchase17/langchain/pull/6429
* Update introduction.mdx by standardAI in https://github.com/hwchase17/langchain/pull/6425
* docs `retrievers` fixes by leo-gan in https://github.com/hwchase17/langchain/pull/6299
* Fixed a link typo /-/route -> /-/routes. and change endpoint format by kylehh in https://github.com/hwchase17/langchain/pull/6186
* Incorrect argument count handling by swappysh in https://github.com/hwchase17/langchain/pull/5543
* Harrison/functions in retrieval by hwchase17 in https://github.com/hwchase17/langchain/pull/6463
* Fix for 6431 - chatprompt template with partial variables giing validation error by Avinash-Raj in https://github.com/hwchase17/langchain/pull/6456
* Update SinglStoreDB vectorstore by volodymyr-memsql in https://github.com/hwchase17/langchain/pull/6423
* Fix broken links in autonomous agents docs by gadkins in https://github.com/hwchase17/langchain/pull/6398
* Fix the issue where ANTHROPIC_API_URL set in environment is not takin… by zengbo in https://github.com/hwchase17/langchain/pull/6400
* Improve error message by alonsosilvaallende in https://github.com/hwchase17/langchain/pull/6275
* Harrison/unstructured page number by hwchase17 in https://github.com/hwchase17/langchain/pull/6464
* feat: use latest duckduckgo_search API to call by Undertone0809 in https://github.com/hwchase17/langchain/pull/6409
* fix: llm caching for replicate by brycedrennan in https://github.com/hwchase17/langchain/pull/6396
* Update serpapi.py Support baidu list type answer_box by Gavin-YYC in https://github.com/hwchase17/langchain/pull/6386
* fix neo4j schema query by HubertKl in https://github.com/hwchase17/langchain/pull/6381
* bump version to 206 by hwchase17 in https://github.com/hwchase17/langchain/pull/6465
New Contributors
* dqbd made their first contribution in https://github.com/hwchase17/langchain/pull/6421
* andreybavt made their first contribution in https://github.com/hwchase17/langchain/pull/6450
* ykerus made their first contribution in https://github.com/hwchase17/langchain/pull/6442
* nirga made their first contribution in https://github.com/hwchase17/langchain/pull/6429
* standardAI made their first contribution in https://github.com/hwchase17/langchain/pull/6425
* swappysh made their first contribution in https://github.com/hwchase17/langchain/pull/5543
* Avinash-Raj made their first contribution in https://github.com/hwchase17/langchain/pull/6456
* gadkins made their first contribution in https://github.com/hwchase17/langchain/pull/6398
* alonsosilvaallende made their first contribution in https://github.com/hwchase17/langchain/pull/6275
* brycedrennan made their first contribution in https://github.com/hwchase17/langchain/pull/6396
* Gavin-YYC made their first contribution in https://github.com/hwchase17/langchain/pull/6386
* HubertKl made their first contribution in https://github.com/hwchase17/langchain/pull/6381
**Full Changelog**: https://github.com/hwchase17/langchain/compare/v0.0.205...v0.0.206