v1.56.0

1.56.0 (2025-12-16)

Features

• Add minimal and medium thinking levels. (96d644c)
• Add support for Struct in ToolResult Content. (8fd4886)
• Add ultra high resolution to the media resolution in Parts. (356c320)
• Add ULTRA_HIGH MediaResolution and new ThinkingLevel enums (336b823)
• Define and use DocumentMimeType for DocumentContent (dc7f00f)
• Support multi speaker for Vertex AI (ecb00c2)

Bug Fixes

• Api version handling for interactions. (436ca2e)

Documentation

• Add documentation for the new Interactions API (Preview). (e28a69c)
• Update and restructure codegen_instructions (00422de)
• Update docs for 1.55 (1cc43e7)