What's Changed
* Add RELLM experimental LLM decoding by vowelparrot in https://github.com/hwchase17/langchain/pull/4185
* add rebuff by hwchase17 in https://github.com/hwchase17/langchain/pull/4637
* Harrison/typing of return by hwchase17 in https://github.com/hwchase17/langchain/pull/4685
* Harrison/json loader fix by hwchase17 in https://github.com/hwchase17/langchain/pull/4686
* dont have openai_api_version by default by hwchase17 in https://github.com/hwchase17/langchain/pull/4687
* add warning for combined memory by hwchase17 in https://github.com/hwchase17/langchain/pull/4688
* Harrison/param notion db by hwchase17 in https://github.com/hwchase17/langchain/pull/4689
* add the existing OpenWeatherMap tool to the public api by zrcni in https://github.com/hwchase17/langchain/pull/4292
* Update gallery.rst with chatpdf opensource by akshata29 in https://github.com/hwchase17/langchain/pull/4342
* Respect User-Specified User-Agent in WebBaseLoader by lyz1990 in https://github.com/hwchase17/langchain/pull/4579
* docs: tutorials are moved on the top-level of docs by leo-gan in https://github.com/hwchase17/langchain/pull/4464
* Harrison/telegram chat loader by hwchase17 in https://github.com/hwchase17/langchain/pull/4698
* Harrison/sitemap local by hwchase17 in https://github.com/hwchase17/langchain/pull/4704
* Feature: pdfplumber PDF loader with BaseBlobParser, without visual debugger by lesterpjy in https://github.com/hwchase17/langchain/pull/4552
* Update Makefile (typo) by whoissqr in https://github.com/hwchase17/langchain/pull/4725
* Improve video_id extraction in YoutubeLoader by KaczuH in https://github.com/hwchase17/langchain/pull/4452
* Docugami DataLoader by eyurtsev in https://github.com/hwchase17/langchain/pull/4727
* Update click.py to pass errors back to Agent by d3n7 in https://github.com/hwchase17/langchain/pull/4723
* Added support for streaming output response to HuggingFaceTextgenInference LLM class by dcbark01 in https://github.com/hwchase17/langchain/pull/4633
* YouTube Loader: Replace regexp with built-in parsing by eyurtsev in https://github.com/hwchase17/langchain/pull/4729
* Add Environment Info to Run by vowelparrot in https://github.com/hwchase17/langchain/pull/4691
* add async default by hwchase17 in https://github.com/hwchase17/langchain/pull/4701
* Harrison/add top k by hwchase17 in https://github.com/hwchase17/langchain/pull/4707
* bump version to 170 by hwchase17 in https://github.com/hwchase17/langchain/pull/4733
New Contributors
* zrcni made their first contribution in https://github.com/hwchase17/langchain/pull/4292
* akshata29 made their first contribution in https://github.com/hwchase17/langchain/pull/4342
* lyz1990 made their first contribution in https://github.com/hwchase17/langchain/pull/4579
* KaczuH made their first contribution in https://github.com/hwchase17/langchain/pull/4452
* dcbark01 made their first contribution in https://github.com/hwchase17/langchain/pull/4633
**Full Changelog**: https://github.com/hwchase17/langchain/compare/v0.0.169...v0.0.170