google-cloud-aiplatform breaking changes

1.133.0

1 breaking change, first published January 8, 2026.

• Behavior changed
  Saving a model to a Vertex Experiment now requires a uri or staging bucket configuration. Code that omits both will now fail. github.com

1.129.0

6 breaking changes, first published December 3, 2025.

• Removed google.cloud.aiplatform.v1beta1.EventActions.transfer_to_agent
  The field transfer_to_agent was removed from the EventActions message in v1beta1. Code that reads or sets it must be updated. github.com
• Renamed FeatureOnlineStore.bigtable_metadata
  The bigtable_metadata field on FeatureOnlineStore was renamed. Code that uses the old field name must switch to the new name. github.com
• Renamed FeatureOnlineStore.enableDirectBigtableAccess
  The enableDirectBigtableAccess field on FeatureOnlineStore was renamed. Code that uses the old field name must switch to the new name. github.com
• Renamed FeatureView.bigtable_metadata
  The bigtable_metadata field on FeatureView was renamed. Code that uses the old field name must switch to the new name. github.com
• Default changed create_agent_card
  The default input and output modes used by create_agent_card were changed. Code relying on the old defaults may now get different results. github.com
• Signature changed
  The parameters of an evaluation method were reordered so the Config parameter comes last. Positional callers must be updated. github.com

1.126.0

1 breaking change, first published November 5, 2025.

• Default changed
  The default for telemetry enablement changed to "unspecified". Code that relied on the previous telemetry default may see different behavior and should set the option explicitly. github.com

1.125.0

2 breaking changes, first published November 5, 2025.

• Behavior changed
  Tracing now goes through telemetry.googleapis.com instead of cloudtrace.googleapis.com, so users may need to enable the new API. github.com
• Behavior changed AdkApp
  Preview AdkApp now uses a different tracing API, so users may need to enable the new API. github.com

1.124.0

2 breaking changes, first published October 30, 2025.

• Behavior changed
  Tracing now uses telemetry.googleapis.com instead of cloudtrace.googleapis.com. Make sure the telemetry API is enabled and your permissions allow it. github.com
• Signature changed method
  The method argument of the prompt optimizer no longer accepts the raw string "vapo". Pass types.OptimizerMethod.VAPO or types.PromptOptimizerMethod.GEMINI_NANO instead. github.com

1.121.0

1 breaking change, first published October 15, 2025.

• Removed transfer_to_agent
  The deprecated transfer_to_agent parameter was removed in this release, so code that passes it will no longer work and must stop using it. github.com

Check your code

These are the changes. To see which of them reach your code, scan a public repository, or have your coding agent call check_code with your manifest or lockfile over MCP. The API reads every change in every version, not only the newest. On Team and up, a fix pull request opens for the changes that reach a connected repository. Nothing merges or deploys.