v0.12.3

What's Changed

• release(js): 0.10.2 by Mukil Loganathan (@langchain-infra) in #3495
• test(py): benchmark compressed trace ingestion by Quentin Brosse (@QuentinBrosse) in #3497
• fix(py): make the multipart body replayable across both retry layers by Thibaut Lehmann (@thibautlehmann) in #3483
• perf: avoid ThreadPoolExecutor churn in hybrid tracing [closes LSDK-213] by Open SWE (@open-swe)[bot] in #3005
• fix(docs): correct README code examples and update model references by Thibaut Lehmann (@thibautlehmann) in #3503
• feat: LangSmithSecret class for redacting sensitive function parameters by Emil F (@emil-lc) in #3484
• feat(sandbox): support proxy_config in update_sandbox (Python + JS) by Ramon Nogueira (@ramon-langchain) in #3430
• release(py): 0.12.3 by Emil F (@emil-lc) in #3507

Full Changelog: v0.12.2...v0.12.3