@langchain/openai@1.5.12

Patch Changes

• #11560 6bd3a18 Thanks @thushanth-bengre-langchain! - Support configuration_update content blocks for changing reasoning effort mid-conversation without invalidating the cached prompt prefix.

• #11588 7d6e1b0 Thanks @jacoblee93! - fix(openai): Fix base url deserialization

• #11534 80c5c93 Thanks @chiliec! - Route gpt-5.6-sol to the Responses API so function tools work with reasoning.