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# What's new in Sigma

> Sigma release notes for Jul 28, 2023: :show_footer embed parameter update, KPI charts (GA release), and more.

## Embeds

### :show_footer embed parameter update

The `:show_footer` embed parameter value is now case-insensitive, for example: `:show_footer=False`.

## Workbook elements

### KPI charts (GA release)

**KPI** visualization elements are available for general use with the following updates to time series KPIs:

* Change the default display type (the value displayed when not interacting with the trend line) in the **Value** property:

  |                    |                                                                      |
  | :----------------- | :------------------------------------------------------------------- |
  | **Latest period**  | Displays the aggregate value for the most recent period in the time. |
  | **Global summary** | Displays the aggregate value for all periods in the time series.     |

* Add reference lines and bands to the trend line in **Element format** > **Reference marks**.

For more information about **KPI** visualization elements, see [Build a KPI chart](https://help.sigmacomputing.com/docs/build-a-kpi-chart).

### Data point filters

Charts now include more date filtering options in the data point menu (accessed by right-clicking any data point). The **Keep only** and **Exclude** filters previously allowed you to filter based on the single-date value associated with the data point. You can now filter a date range that starts or ends with the data point's date value by selecting the **On and after** or **On and before** options.

### Duplicate reference marks

Charts that support references marks now allow you to duplicate existing reference lines or bands in the **Element format** > **Reference marks** section.

## Workbook features

### Bookmarks

Personal bookmarks are now available in public beta. See [Bookmarks](https://help.sigmacomputing.com/docs/create-and-manage-bookmarks).

## Bug fixes

* In some cases, setting up dynamic roles in a Snowflake connection resulted in an error.
* If you copy an element in an embed document, it no longer returns an error.
* Resolved an issue with expanding rows and single element exports.
* Resolved an issue where choosing Edit Join in the source of the join deselected all selected columns.
* Resolved an issue where Display Values for Boolean list controls did not show. Users can now create a manual list of display values for Boolean controls, adding their own interpretation of True and False.
* Resolved an issue causing input table elements to continuously display the "Saving" spinner after input table edits were successfully saved in the workbook's Published version. Users no longer need to reload the browser page to clear the spinner.