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> For a complete documentation index, see https://help.sigmacomputing.com/llms.txt.
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# What's new in Sigma

> Sigma release notes for Apr 10, 2026: Input table audit history, new API endpoint to list columns for a warehouse table, and more.

## AI apps

### Input table audit history (Beta)

Input table audit history records versioned snapshots of input table row and schema changes over time. For each input table, Sigma automatically creates a warehouse-native view in your data platform that can help you understand the following:

* Row-level history: What changed in a specific row, who made the change, and when the change occurred.
* Schema history: When a column was created, renamed, or changed to a different data type, along with who made the change and when the change occurred.

For information, see [View input table audit history](https://help.sigmacomputing.com/docs/view-input-table-audit-history).

## API

### New API endpoint to list columns for a warehouse table

The following endpoint to list column names, types, and other details for a table in a data warehouse connection is now available:

* [List columns for a warehouse table](/reference/list-connection-table-columns) (`GET v2/connections/tables/{tableId}/columns`)

## Admin

### Support for Azure customer-owned cloud storage integration (GA)

Admins can add an Azure Blob storage integration to use a customer-owned blob container with the following features:

* CSV upload
* File upload column in input tables
* Export to cloud storage

This adds Azure to the existing AWS and GCP storage options that give your organization control over where your files live, who can access them, how long they’re retained, and how they’re encrypted.

For more information, see [Configure an external storage integration with Azure Blob Storage](https://help.sigmacomputing.com/docs/configure-an-external-storage-integration-with-azure-blob).

### Option to increase CSV upload limit to 1GB (Beta)

By default, Sigma limits CSV uploads to 200MB to avoid timeouts and failures that can be common with large files. If your organization's users regularly work with larger files, you can increase the file size limit to 1GB. When this option is enabled, Sigma uses an upload architecture that supports larger files with improved performance and reliability.

For more information, see [Configure CSV upload and storage options](https://help.sigmacomputing.com/docs/configure-csv-upload-and-storage-options).

## Embeds

### New embed URL parameter

The `:hide_save_as` embed URL parameter is now available to hide the **Save as** option in an embed.

For more details, see [Embed URL parameters](https://help.sigmacomputing.com/docs/embed-url-parameters).

## Functions and calculations

### Databricks variant data type (GA)

Databricks connections support the [variant](https://help.sigmacomputing.com/docs/data-types-and-formats) data type, allowing you to handle arrays and JSON data using functions like [Variant](https://help.sigmacomputing.com/docs/variant), [JSON](https://help.sigmacomputing.com/docs/json), and [Array](https://help.sigmacomputing.com/docs/array), as well as functions that use the variant data type like [ArrayCompact](https://help.sigmacomputing.com/docs/arraycompact).

For more information on functions and features that are supported on the Databricks connection type, see [Supported regions, data platforms, and features](https://help.sigmacomputing.com/docs/region-warehouse-and-feature-support).

## Workbook elements

### Add a control from a column

You can now add a control by right-clicking on a column name and selecting **Add control**.

See [Create and manage a control element](https://help.sigmacomputing.com/docs/create-and-manage-a-control-element) for more information.

## Bug fixes

* Requests made to the [Create a connection](/reference/create-connection) endpoint failed when creating a Databricks connection using OAuth because it expected a service account to exist.

* Requests made to the [List documents for a deployment policy](/reference/list-inodes-for-deployment) API endpoint ignored the value specified for the `pageSize` parameter.

* Tagging and swapping the source of a data model version that contained a #raw directive in a custom SQL statement failed with a placeholder error.

* When swapping sources as part of a deployment policy, swapping sources to or from connection types that required only two levels (SCHEMA.TABLE) failed with a path length error.