v0.4.12

What's Changed

• fix(ci): Allow 429s for markdown link checks in CI by @jacoblee93 in https://github.com/langchain-ai/langsmith-sdk/pull/1895
• feat(py): add Run.latency by @baskaryan in https://github.com/langchain-ai/langsmith-sdk/pull/1745
• fix(js): Ensure dotted order and start time is always greater than parent start time for legacy AI SDK exporter by @jacoblee93 in https://github.com/langchain-ai/langsmith-sdk/pull/1903
• chore(python): Remove langsmith dotted order attribute from otel integration by @angus-langchain in https://github.com/langchain-ai/langsmith-sdk/pull/1904

Full Changelog: https://github.com/langchain-ai/langsmith-sdk/compare/v0.4.11...v0.4.12