@langchain/core@1.2.0

Minor Changes

• #10924 2e28115 Thanks @christian-bromann! - feat(core): add OpenAI-compatible stream event conversion

Patch Changes

• #11047 ac0f71d Thanks @christian-bromann! - fix(core): preserve AIMessage content blocks

  Keep existing v1 contentBlocks when constructing AIMessage instances so serialized messages do not lose block content during deserialization.