langchain-openai v1.3.1 Released with Streaming Tool Call Fixes and Tracing Metadata
English summary
The langchain-openai==1.3.1 release introduces normalization of v1 streamed tool calls to ensure consistent output and adds package version tracking to tracing metadata. It also tightens structured output model fallbacks, updates tests for explicit deserialization allowlists, and refreshes documentation. This release incorporates core library updates (v1.4.7 and v1.4.6).
Chinese summary
langchain-openai==1.3.1 版本主要规范化了 v1 流式工具调用以确保输出一致，并在追踪元数据中添加了包版本跟踪。同时收紧了结构化输出模型回退逻辑，更新了显式反序列化白名单测试并刷新了文档。此版本还合并了核心库 v1.4.7 和 v1.4.6 的更新。
Key points
Normalized v1 streamed tool calls to fix inconsistent outputs.
标准化 v1 流式工具调用，修复输出不一致问题。
Added package version tracking to tracing metadata for better observability.
在追踪元数据中添加包版本跟踪，提升可观察性。
Tightened structured output model fallbacks to improve reliability.
收紧结构化输出模型回退逻辑，提高可靠性。
Updated tests for explicit deserialization allowlists and refreshed documentation.
更新了显式反序列化白名单的测试，并刷新了文档。