The ability to create a Vertex AI Workbench instance based on a custom container is now generally available

## Announcement The ability to create a Vertex AI Workbench instance based on a custom container is now [generally available](https://cloud.google.com/products#product-launch-stages). Only custom containers derived from the Google-provided base container are supported. For more information, see [Create an instance using a custom container](https://cloud.google.com/vertex-ai/docs/workbench/instances/create-custom-container).