Langsmith

What's Changed
* track evaluator errors from sdk by isahers1 in https://github.com/langchain-ai/langsmith-sdk/pull/1079
* feat(vercel): add debug flag by dqbd in https://github.com/langchain-ai/langsmith-sdk/pull/1166
* fix(vercel): add more debug logs, fix tracing detection for vercel, bump to 0.2.4 by dqbd in https://github.com/langchain-ai/langsmith-sdk/pull/1168
* Fix clone dataset from other server by hinthornw in https://github.com/langchain-ai/langsmith-sdk/pull/1175
* Cleaner error message by hinthornw in https://github.com/langchain-ai/langsmith-sdk/pull/1177
* [Python] to_pandas() method for ExperimentResults by baskaryan in https://github.com/langchain-ai/langsmith-sdk/pull/1170
* Pre-read smallish multipart requests by hinthornw in https://github.com/langchain-ai/langsmith-sdk/pull/1176

New Contributors
* isahers1 made their first contribution in https://github.com/langchain-ai/langsmith-sdk/pull/1079

**Full Changelog**: https://github.com/langchain-ai/langsmith-sdk/compare/v0.1.139...v0.1.140

**Full Changelog**: https://github.com/langchain-ai/langsmith-sdk/compare/v0.1.138...v0.1.139

What's Changed
* Annotation Support by hinthornw in https://github.com/langchain-ai/langsmith-sdk/pull/1146


**Full Changelog**: https://github.com/langchain-ai/langsmith-sdk/compare/v0.1.139rc1...v0.1.139rc2

What's Changed
* Skip model_dump for classes by hinthornw in https://github.com/langchain-ai/langsmith-sdk/pull/1149
* Minimize Repr by hinthornw in https://github.com/langchain-ai/langsmith-sdk/pull/1155
* serialize instead of deepcopy for performance gains by efriis in https://github.com/langchain-ai/langsmith-sdk/pull/1136


**Full Changelog**: https://github.com/langchain-ai/langsmith-sdk/compare/v0.1.138...v0.1.139rc1

What's Changed
* feat(js): Use new multipart endpoint when available by jacoblee93 in https://github.com/langchain-ai/langsmith-sdk/pull/1106
* chore(js): Release 0.1.67 by jacoblee93 in https://github.com/langchain-ai/langsmith-sdk/pull/1119
* fix(js): Limit queue batch concurrency, bump timeout, add maximum wait period for serverless envs by jacoblee93 in https://github.com/langchain-ai/langsmith-sdk/pull/1124
* feat(vercel): add OTEL based LangSmith trace exporter by dqbd in https://github.com/langchain-ai/langsmith-sdk/pull/1104
* factor out background and serde by efriis in https://github.com/langchain-ai/langsmith-sdk/pull/1130
* integration tests multipart by efriis in https://github.com/langchain-ai/langsmith-sdk/pull/1118
* properly setup env for tests by efriis in https://github.com/langchain-ai/langsmith-sdk/pull/1131
* fix(js): Further reduce blocking behavior, try naive stringification instead of circular detection by jacoblee93 in https://github.com/langchain-ai/langsmith-sdk/pull/1133
* integration tests against staging by efriis in https://github.com/langchain-ai/langsmith-sdk/pull/1143
* fix(js): Remove focused test, fix tests by jacoblee93 in https://github.com/langchain-ai/langsmith-sdk/pull/1138
* fix: add required basic auth environment variable by bvs-langchain in https://github.com/langchain-ai/langsmith-sdk/pull/1128
* feat(py): Add multipart feedback ingestion by akira in https://github.com/langchain-ai/langsmith-sdk/pull/1129
* use staging for integration tests - js by efriis in https://github.com/langchain-ai/langsmith-sdk/pull/1145
* use staging for integration tests by efriis in https://github.com/langchain-ai/langsmith-sdk/pull/1140
* fix(vercel): pass run name if the root run is within a span by dqbd in https://github.com/langchain-ai/langsmith-sdk/pull/1150
* Add version check for feedback multipart by akira in https://github.com/langchain-ai/langsmith-sdk/pull/1151
* [python] Bump to 0.1.138 by akira in https://github.com/langchain-ai/langsmith-sdk/pull/1156

New Contributors
* akira made their first contribution in https://github.com/langchain-ai/langsmith-sdk/pull/1129

**Full Changelog**: https://github.com/langchain-ai/langsmith-sdk/compare/v0.1.137...v0.1.138

What's Changed
* integration tests against staging by efriis in https://github.com/langchain-ai/langsmith-sdk/pull/1143
* use staging for integration tests - js by efriis in https://github.com/langchain-ai/langsmith-sdk/pull/1145
* use staging for integration tests by efriis in https://github.com/langchain-ai/langsmith-sdk/pull/1140
* fix(vercel): pass run name if the root run is within a span by dqbd in https://github.com/langchain-ai/langsmith-sdk/pull/1150
* Add version check for feedback multipart by akira in https://github.com/langchain-ai/langsmith-sdk/pull/1151


**Full Changelog**: https://github.com/langchain-ai/langsmith-sdk/compare/v0.1.138rc1...v0.1.138rc2