1.21.0 (2025-09-25) Features Add FunctionResponsePart & ToolComputerUse.excludedPredefinedFunctions (61620f6) Support Imagen 4 Ingredients on Vertex (56cccfc) Bug Fixes #963 allow leading whitespace before data chunks (24f4153) Expose JOB_STATE_RUNNING and JOB_STATE_EXPIRED for Gemini Batches states (b513c69) initialization of pre_tuned_model_checkpoint_id from tuning config. (2e10e7f)
