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# What's new in Sigma

> Sigma release notes for Mar 20, 2026: New email option for the List members endpoint, and more.

## API

### New `email` option for the List members endpoint

The [List members](/reference/list-members) (`GET /v2/members`) endpoint includes a new option to filter the list of users by email address. Use this option instead of the `search` option.

## Admin

### Advanced token and authorization request parameters for API credentials

When configuring an API credential with an OAuth authentication method, you can optionally add parameters to the token or authorization requests.

These additional parameters can be used to satisfy authentication requirements for particular API endpoints. For more information on configuring token and authorization credentials, see [Add API credentials and connectors to Sigma](https://help.sigmacomputing.com/docs/configure-api-credentials-and-connectors-in-sigma#add-a-new-api-credential-to-sigma).

### Native support for Databricks variant type (Beta)

Sigma now natively supports the `Variant` data type on Databricks connections.

Previously, columns with the `Variant` data type in Databricks were treated as text data in Sigma. Now, they are treated as variant data.

## Data modeling

### Configure default timelines for metrics in data models

You can now add a default timeline configuration to a data element in a data model for all metrics created on that data element to use. Workbooks and reports that use metrics with default timelines configured as a source are not affected.

See [Configure a default timeline for metrics](https://help.sigmacomputing.com/docs/create-and-manage-metrics#configure-a-default-timeline-for-metrics).

## Embeds

### New `document:element:nodata` outbound JavaScript event

A new `document:element:nodata` outbound JavaScript event is now available. For example, use the event to change the embedded content if no data is returned for an element.

For more details, see [Outbound event reference](https://help.sigmacomputing.com/docs/outbound-event-reference).

### New option for `document:navigateto` inbound JavaScript event

The `document:navigateto` inbound JavaScript now takes the `inodeId` of a workbook, report, or data model page as a property. See [Inbound event reference](https://help.sigmacomputing.com/docs/inbound-event-reference#documentnavigateto) for more details.

## Workbook elements

### Conditional formatting for repeated container cards

Repeated container cards support conditional formatting, allowing you to configure conditional background colors based on the row in the data source connected to each card.

For more information, see [Use repeated containers to generate layouts from data (Beta)](https://help.sigmacomputing.com/docs/use-repeated-containers-to-generate-layouts-from-data#style-repeated-container-cards).

### Hierarchy column support for Databricks connections (Beta)

Creating and editing hierarchy columns is now supported for Databricks connections.

See [Work with hierarchies (Beta)](https://help.sigmacomputing.com/docs/hierarchies) and the [RaggedHierarchy (Beta)](https://help.sigmacomputing.com/docs/raggedhierarchy) function reference for more information.

## Workbook features

### Custom page header formatting options

Custom page headers now support advanced formatting options, including border style and background images.

For more information, see [Add custom page headers to a workbook](https://help.sigmacomputing.com/docs/add-custom-page-headers-to-a-workbook).

## Bug fixes

* For a workbook with a stored procedure action, tagging a version and swapping the source no longer fails with an error. You might need to sync the stored procedure after tagging the version.

## Deprecated features

### Creating hierarchies from the Manage hierarchies popover (Deprecated)

Creating hierarchies in the **Manage hierarchies** popover is deprecated. Starting September 15, 2026, you will no longer be able to create new hierarchies in the **Manage hierarchies** popover, or edit existing hierarchies created from the popover. Instead, migrate to hierarchy columns.

### Datasets (Deprecated)

Datasets are now deprecated:

* Starting June 2, 2026, creating new datasets and editing existing datasets will no longer be available.
* Starting September 15, 2026, you will no longer be able to use datasets as a data source or view datasets in Sigma.

Migrate existing datasets to data models, and update any documents that use datasets as a source to use data models instead. See [Migrate a dataset to a data model](https://help.sigmacomputing.com/docs/migrate-a-dataset-to-a-data-model).

### Deprecated option for List members endpoint (Deprecated)

The `search` option for the [List members](/reference/list-members) (`GET /v2/members`) endpoint is now deprecated and will be removed on September 15, 2026. Instead, use the new `email` parameter to filter API requests.