What's Changed
* feat(js): Expose light interface for tracing client by jacoblee93 in https://github.com/langchain-ai/langsmith-sdk/pull/1266
* infra: drop py3.8 CI by baskaryan in https://github.com/langchain-ai/langsmith-sdk/pull/1188
* python[patch]: one evaluate fn by baskaryan in https://github.com/langchain-ai/langsmith-sdk/pull/1269
* python[patch]: client.evaluate, client.aevaluate by baskaryan in https://github.com/langchain-ai/langsmith-sdk/pull/1268
* infra: run integration tests when relevant files edited by baskaryan in https://github.com/langchain-ai/langsmith-sdk/pull/1271
* infra: fix int ci by baskaryan in https://github.com/langchain-ai/langsmith-sdk/pull/1274
* infra: fix int ci 2 by baskaryan in https://github.com/langchain-ai/langsmith-sdk/pull/1275
* js[patch]: simple evaluator args by baskaryan in https://github.com/langchain-ai/langsmith-sdk/pull/1264
* Bagatur/update py api ref by baskaryan in https://github.com/langchain-ai/langsmith-sdk/pull/1251
* js[patch]: fix evaluateComparative by baskaryan in https://github.com/langchain-ai/langsmith-sdk/pull/1283
* js[patch]: evaluate support comparison by baskaryan in https://github.com/langchain-ai/langsmith-sdk/pull/1281
* Support serializing Python UUID objects and set up test suite for PyO3 by obi1kenobi in https://github.com/langchain-ai/langsmith-sdk/pull/1284
* Remove `sonic_rs` and switch to `serde_json`. by obi1kenobi in https://github.com/langchain-ai/langsmith-sdk/pull/1286
* langsmith no longer supports Python 3.8, so neither should our PyO3 code by obi1kenobi in https://github.com/langchain-ai/langsmith-sdk/pull/1285
* Drop outdated/vulnerable dependencies by using a newer multipart library by obi1kenobi in https://github.com/langchain-ai/langsmith-sdk/pull/1288
* Run tests and lint for Rust code in CI. by obi1kenobi in https://github.com/langchain-ai/langsmith-sdk/pull/1289
* Add placeholder workflow for testing `langsmith_nodejs` Rust code. by obi1kenobi in https://github.com/langchain-ai/langsmith-sdk/pull/1291
* Clone dataset schema by hinthornw in https://github.com/langchain-ai/langsmith-sdk/pull/1278
* LangSmith 0.2.x by jakerachleff in https://github.com/langchain-ai/langsmith-sdk/pull/1247
**Full Changelog**: https://github.com/langchain-ai/langsmith-sdk/compare/v0.1.147...v0.2.0