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# What's new in Sigma

> Sigma release notes for Apr 26, 2024: Customizable session length, explore mode and bookmarks in embeds, and more.

## Admin

### Customizable session length

If your organization uses password or SAML authentication, you can customize the session length to control how long internal and guest users stay logged in before Sigma requires re-authentication.

By default, the session length is set to 720 hours, meaning users must log in every 30 days. Adjust the session length to align with internal security policies and external regulatory requirements.

For more information, see [Manage authentication method and options](https://help.sigmacomputing.com/docs/manage-authentication#manage-authentication-method-and-options).

## Embeds

### Explore mode and bookmarks in embeds

**Explore** mode is now available in embedded workbooks.

Embed users can perform ad hoc analysis, save the explored state as a personal bookmark, and manage existing bookmarks.

For more information, see [Explore a published workbook](https://help.sigmacomputing.com/docs/explore-a-published-workbook) and [Bookmarks in embedded workbooks](https://help.sigmacomputing.com/docs/create-and-manage-bookmarks#bookmarks-in-embedded-workbooks).