# What changed in langsmith

> 18 changes in langsmith 0.10 to 0.11 from its official release notes, upgrade guides and advisories: 2 breaking, 1 security, 11 new APIs and options. Each one cited. Sources checked 2026-10-17. HTML: https://unstale.sh/npm/langsmith/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## langsmith 0.11

### Breaking changes

- ProxyGCPConfig is split into workload-identity and service-account variants, changing the sandbox configuration API. (0.11.0) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.11.0)

### New APIs and options

- Adds an agent_id filter to the evaluator spend endpoint. (0.11.0) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.11.0)
- Sandbox configuration adds Azure Blob mount and Azure proxy authentication support. (0.11.0) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.11.0)
- Configuration support adds deletion and enforcement fields. (0.11.0) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.11.0)
- Adds minimum and maximum feedback_modified_at filter fields for runs. (0.11.0) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.11.0)
- Adds include_all_configs support for configs. (0.11.0) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.11.0)
- OTLP traces can be sent to an Agent environment. (0.11.0) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.11.0)
- Adds subject_scope to AWS and GCP sandbox configurations. (0.11.0) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.11.0)
- Adds workload identity fields to AWS and GCP sandbox configurations. (0.11.0) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.11.0)

### Fixes and other changes

- Isolates concurrent comparative evaluator run order. (0.11.0) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.11.0)
- Preserves NullableHeaders in public declarations. (0.11.0) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.11.0)

## langsmith 0.10

### Breaking changes

- AddressApi is merged with Address to make serialization easier. (0.10.13) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.10.13)

### Security

- Sandboxes add an encryption spec and cache/encryption mount variants. (0.10.12) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.10.12)

### New APIs and options

- Run query endpoints add the ai_search field. (0.10.12) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.10.12)
- Run query endpoints support SSE streaming. (0.10.12) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.10.12)
- Adds the test_webhook_destination endpoint. (0.10.12) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.10.12)

### Behavior and default changes

- Sandbox authentication accepts any JOSE asymmetric algorithm selected by the JWKS key. (0.10.12) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.10.12)

### Fixes and other changes

- Ships CJS and Node 10 types for langsmith/vitest, improving compatibility for consumers using that subpath. (0.10.11) — [release notes](https://github.com/langchain-ai/langsmith-javascript/releases/tag/v0.10.11)