7.15.2
Patch changes
- 1574b1b Fix OpenAI usage parsing when token detail fields are null — Thanks @michael-ciridae!
Fetched May 21, 2026
Fetched May 21, 2026
Fixed streaming of custom tool calls through Responses API chunks, and preserved top-level Responses API IDs on AI messages.
LangChain · LangChain.js2.20.7 (2026-05-13) Bug Fixes core: Preserve AxiosHeaders instance when applying OpenAI vendor defaults (30285) ([979aa28](https://github.c…
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