You can now use BigQuery DataFrames version 2.0, which makes security and performance improvements to the BigQuery DataFrames API, adds new features, and introduces breaking changes

## Feature You can now use [BigQuery DataFrames version 2.0](https://cloud.google.com/bigquery/docs/use-bigquery-dataframes#version-2), which makes security and performance improvements to the BigQuery DataFrames API, adds new features, and introduces breaking changes. ## Feature You can use [partial ordering mode](https://cloud.google.com/bigquery/docs/use-bigquery-dataframes#partial-ordering-mode) in BigQuery DataFrames to generate efficient queries. This feature is [generally available](https://cloud.google.com/products#product-launch-stages) (GA).