What's Changed

• Add Runnable.with_listeners() by @nfcampos in https://github.com/langchain-ai/langchain/pull/12549
• Improve Runnable type inference for input_schemas by @nfcampos in https://github.com/langchain-ai/langchain/pull/12630
• bind_functions convenience method by @hinthornw in https://github.com/langchain-ai/langchain/pull/12518
• Install and use ruff format instead of black for code formatting. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12585
• Conversational Feedback by @hinthornw in https://github.com/langchain-ai/langchain/pull/12590
• Minor updates to READMEs by @rlancemartin in https://github.com/langchain-ai/langchain/pull/12642
• added template to use Vertex Vector Search for q&a by @lkuligin in https://github.com/langchain-ai/langchain/pull/12622
• template updates by @efriis in https://github.com/langchain-ai/langchain/pull/12646
• Rename Template by @hinthornw in https://github.com/langchain-ai/langchain/pull/12649
• Show ruff output inline in GitHub PRs. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12647
• Fix small typo on Founcational -> Router notebook by @BrianMcBrayer in https://github.com/langchain-ai/langchain/pull/12634
• fix template py verisons by @efriis in https://github.com/langchain-ai/langchain/pull/12650
• Support release-testing packages with dashes in their names. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12654
• Upgrade to actions/checkout@v4 in the docs lint job. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12581
• Relax python version and remove need for explicit setup step by @hemidactylus in https://github.com/langchain-ai/langchain/pull/12637
• LM Format Enforcer Integration + Sample Notebook by @noamgat in https://github.com/langchain-ai/langchain/pull/12625
• Add RAG template for Timescale Vector by @rlancemartin in https://github.com/langchain-ai/langchain/pull/12651
• Overwrite existing distributions when uploading to test PyPI. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12658
• update lc version by @efriis in https://github.com/langchain-ai/langchain/pull/12655
• Remove print() statements which seemed leftover from debugging. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12648
• Update README for Hybrid Search Weaviate by @erika-cardenas in https://github.com/langchain-ai/langchain/pull/12661
• Update MosaicML Embedding Input Key by @margaretqian in https://github.com/langchain-ai/langchain/pull/12657
• fix plate chain by @hwchase17 in https://github.com/langchain-ai/langchain/pull/12673
• Use ruff for both linting and formatting in langchain-cli. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12672
• Remove the CLI package's pydantic compatibility tests. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12675
• Update Vertex template by @rlancemartin in https://github.com/langchain-ai/langchain/pull/12644
• PGVector fix by @theromis in https://github.com/langchain-ai/langchain/pull/12592
• Add quip loader by @shufanhao in https://github.com/langchain-ai/langchain/pull/12259
• Adds version CLI command by @jacoblee93 in https://github.com/langchain-ai/langchain/pull/12619
• Use black to lint notebooks and docs for now. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12679
• Use an in-project virtualenv in the CLI package. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12678
• Both lint and format templates with ruff v0.1.3. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12676
• fix for YahooFinanceNewsTool by @leo-gan in https://github.com/langchain-ai/langchain/pull/12665
• link to templates by @efriis in https://github.com/langchain-ai/langchain/pull/12680
• Add RAG input types by @rlancemartin in https://github.com/langchain-ai/langchain/pull/12684
• fix elastic rag template in playground by @efriis in https://github.com/langchain-ai/langchain/pull/12682
• properly increment version in cli by @efriis in https://github.com/langchain-ai/langchain/pull/12685
• Use separate jobs for building and publishing test releases. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12671
• Only publish to test PyPI from the _test_release.yml workflow. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12668
• Remove black caching config from CI lint workflow. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12594
• Fix typo highlighted by ruff autoformatter. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/12691
• Mask API key for Anyscale LLM by @aidoskanapyanov in https://github.com/langchain-ai/langchain/pull/12406
• Adding a template for Solo Performance Prompting Agent by @Sandy247 in https://github.com/langchain-ai/langchain/pull/12627
• Weaviate - Fix schema existence check by @dudanogueira in https://github.com/langchain-ai/langchain/pull/12711
• feat: Add page metadata on PDFMinerLoader by @blue-hope in https://github.com/langchain-ai/langchain/pull/12277
• PyPDFLoader use url in metadata source if file is a web path by @123-fake-st in https://github.com/langchain-ai/langchain/pull/12092
• dash not underscore by @efriis in https://github.com/langchain-ai/langchain/pull/12716
• bump 328, exp 37 by @baskaryan in https://github.com/langchain-ai/langchain/pull/12722
• use http.client instead of urllib3 by @efriis in https://github.com/langchain-ai/langchain/pull/12660
• Update template index w/ Timescale by @rlancemartin in https://github.com/langchain-ai/langchain/pull/12729
• template updates by @efriis in https://github.com/langchain-ai/langchain/pull/12736
• Use jinja2 sandboxing by default by @eyurtsev in https://github.com/langchain-ai/langchain/pull/12733
• Demo Server, Fix Timescale by @efriis in https://github.com/langchain-ai/langchain/pull/12746
• APIChain add restrictions to domains (CVE-2023-32786) by @eyurtsev in https://github.com/langchain-ai/langchain/pull/12747
• Update google_vertex_ai_palm.ipynb by @bustosjuan in https://github.com/langchain-ai/langchain/pull/12715
• Fixes 'Nonetype' not iterable for ObsidianLoader by @efriis in https://github.com/langchain-ai/langchain/pull/12751
• Semantic search within postgreSQL using pgvector by @manuel-soria in https://github.com/langchain-ai/langchain/pull/12365
• Update llama.cpp integration by @ElliotKetchup in https://github.com/langchain-ai/langchain/pull/11864
• Update chat prompt structure in LLaMA SQL cookbook by @rlancemartin in https://github.com/langchain-ai/langchain/pull/12364
• Fixes to the docs for timescale vector template by @cevian in https://github.com/langchain-ai/langchain/pull/12756
• bump 329 by @baskaryan in https://github.com/langchain-ai/langchain/pull/12778

New Contributors

• @noamgat made their first contribution in https://github.com/langchain-ai/langchain/pull/12625
• @shufanhao made their first contribution in https://github.com/langchain-ai/langchain/pull/12259
• @aidoskanapyanov made their first contribution in https://github.com/langchain-ai/langchain/pull/12406
• @Sandy247 made their first contribution in https://github.com/langchain-ai/langchain/pull/12627
• @dudanogueira made their first contribution in https://github.com/langchain-ai/langchain/pull/12711
• @blue-hope made their first contribution in https://github.com/langchain-ai/langchain/pull/12277
• @123-fake-st made their first contribution in https://github.com/langchain-ai/langchain/pull/12092
• @bustosjuan made their first contribution in https://github.com/langchain-ai/langchain/pull/12715

CVEs

CVE-2023-32786 -- resolved by APIChain add restrictions to domains (https://github.com/advisories/GHSA-6h8p-4hx9-w66c) by @eyurtsev in https://github.com/langchain-ai/langchain/pull/12747

Full Changelog: https://github.com/langchain-ai/langchain/compare/v0.0.327...v0.0.329