langchain-ai/langchainjs
The agent engineering platform
Recent Releases
@langchain/core@1.2.4
### Patch Changes - [#11190](https://github.com/langchain-ai/langchainjs/pull/11190) [`9654bde`](https://github.com/langchain-ai/langchainjs/commit/9654bde694af4e78080a76a0b39d7edd35683449) Thanks [@pawel-twardziak](https://github.com/pawel-twardziak)! - Coalesce nested LangChain tracer callbacks t...
langchain@1.5.4
### Patch Changes - [#11201](https://github.com/langchain-ai/langchainjs/pull/11201) [`a8cd4d9`](https://github.com/langchain-ai/langchainjs/commit/a8cd4d9ae35ae8ae05e011115a351d976560ade9) Thanks [@hntrl](https://github.com/hntrl)! - feat(langchain): add middleware for handling tool execution erro...
@langchain/anthropic@1.5.2
### Patch Changes - [#11255](https://github.com/langchain-ai/langchainjs/pull/11255) [`c8bd4c4`](https://github.com/langchain-ai/langchainjs/commit/c8bd4c4a6dbde07fb24deb5870c02dc29c51ab53) Thanks [@hntrl](https://github.com/hntrl)! - feat(anthropic): add claude-opus-5 support
@langchain/core@1.2.3
### Patch Changes - [#11200](https://github.com/langchain-ai/langchainjs/pull/11200) [`08e5888`](https://github.com/langchain-ai/langchainjs/commit/08e588865927c3bf0eb2ec418cfb3fba527e14bb) Thanks [@hntrl](https://github.com/hntrl)! - fix(aws): normalize and safely replay Bedrock reasoning blocks ...
@langchain/aws@1.4.3
### Patch Changes - [#11200](https://github.com/langchain-ai/langchainjs/pull/11200) [`08e5888`](https://github.com/langchain-ai/langchainjs/commit/08e588865927c3bf0eb2ec418cfb3fba527e14bb) Thanks [@hntrl](https://github.com/hntrl)! - fix(aws): normalize and safely replay Bedrock reasoning blocks ...
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