What's Changed

• Release by @nfcampos in https://github.com/hwchase17/langchainjs/pull/721
• get rid of instanceof check in agent executor by @agola11 in https://github.com/hwchase17/langchainjs/pull/725
• Filter null values out of metadata for pinecone by @nfcampos in https://github.com/hwchase17/langchainjs/pull/723
• docs: typo in Replicate integration by @LarchLiu in https://github.com/hwchase17/langchainjs/pull/730
• Add links to API key sources by @jameshfisher in https://github.com/hwchase17/langchainjs/pull/715
• How to run Supabase example by @jameshfisher in https://github.com/hwchase17/langchainjs/pull/718
• Instructions for running Pinecone example by @jameshfisher in https://github.com/hwchase17/langchainjs/pull/719
• Add embedding example using Cohere by @jameshfisher in https://github.com/hwchase17/langchainjs/pull/717
• More LLM hello world examples: OpenAI Chat, Replicate, HuggingFace by @jameshfisher in https://github.com/hwchase17/langchainjs/pull/716
• docs: add missing 's' by @arronKler in https://github.com/hwchase17/langchainjs/pull/729
• feat: Add RefineChain by @RohitMidha23 in https://github.com/hwchase17/langchainjs/pull/607
• Add s3 file loader by @jasondotparse in https://github.com/hwchase17/langchainjs/pull/599
• feat: DataberryRetriever (#643) by @agola11 in https://github.com/hwchase17/langchainjs/pull/732
• Add Playwright DocumentLoader by @federicoestevez in https://github.com/hwchase17/langchainjs/pull/546
• feat: add Milvus as vectorStore provider by @Roland0511 in https://github.com/hwchase17/langchainjs/pull/600
• Support combining multiple output parsers by @jmandel in https://github.com/hwchase17/langchainjs/pull/618
• Update serde interfaces after removing handling of paths, make hn test an int test, fix some docs by @nfcampos in https://github.com/hwchase17/langchainjs/pull/736
• Remove unnecessary protected keyword in a few places by @nfcampos in https://github.com/hwchase17/langchainjs/pull/743
• Disable milvus test by default, it requires another docker container running by @nfcampos in https://github.com/hwchase17/langchainjs/pull/744

New Contributors

• @RohitMidha23 made their first contribution in https://github.com/hwchase17/langchainjs/pull/607
• @federicoestevez made their first contribution in https://github.com/hwchase17/langchainjs/pull/546
• @Roland0511 made their first contribution in https://github.com/hwchase17/langchainjs/pull/600
• @jmandel made their first contribution in https://github.com/hwchase17/langchainjs/pull/618

Full Changelog: https://github.com/hwchase17/langchainjs/compare/0.0.52...0.0.53