v1.19.0

1.19.0 (2025-08-06)

Features

• Add image_size field for Gemini Developer API Imagen 4 generation (3ccd2b0)
• Add parts length check (#444) (a4896f3)
• allow methods in batch to return headers in sdk_http_response by default (3a1d6d8)
• enable responseId for Gemini Developer API (9845a91)
• support curated history in the Go chats module. (2b99b83)
• Support image recontext on Vertex (fc7ee78)
• Support new enum types for UrlRetrievalStatus (ef63a73)