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# What's new in Sigma

> Sigma release notes for Mar 22, 2024: Account type permissions for export destinations, separate export warehouse, and more.

## Admin

### Account type permissions for export destinations

[Account types](https://help.sigmacomputing.com/docs/license-and-account-type-overview) feature separate permissions for individual export destinations, enabling granular control over members' ability to export workbook content to Google Sheets, Google Drive, Slack, cloud storage, and webhooks.

For more information, see the account type permission availability matrix (**Sharing and exports** section) in [License and account type overview](https://help.sigmacomputing.com/docs/license-and-account-type-overview).

### Separate export warehouse

If your Sigma organization is connected to Snowflake, you can run all scheduled, direct, and on-demand exports through a separate warehouse. This practice isolates export operations to optimize performance and reduce computing costs.

For more information, see [Configure an export warehouse](https://help.sigmacomputing.com/docs/configure-an-export-warehouse).

## Performance

### SUPER data type support

Sigma natively supports the [SUPER data type](https://docs.aws.amazon.com/redshift/latest/dg/r_SUPER_type.html) to seamlessly handle semistructured data from Redshift connections.

## Workbook elements

### Default value for empty pivot table cells

When there's no corresponding source data for a pivot table value cell to reference (no record exists for the particular combination of dimensions), the cell is empty by default. To customize the value for all empty cells, go to **Element format** > **Format** and enter the preferred value in the **Empty cell display value** field.

## Workbook features

### Table styling in workbook settings and organization themes

Configure a default table style for an entire workbook (in the **Workbook settings** panel) or an organization theme (in the **Administration** portal).

For more information, see [Customize table styles](https://help.sigmacomputing.com/docs/customize-table-style) and [Create and manage workbook themes](https://help.sigmacomputing.com/docs/create-and-manage-workbook-themes).