Configuring corner rounding on a dashboard in Yandex DataLens

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Updated at July 7, 2026

You can set corner rounding for all dashboard widgets. This setting is configured separately for the light and dark theme.

To configure corner rounding on a dashboard:

Warning

If you use the new DataLens object model with workbooks and collections:

Proceed with this guide from Step 2.

In the left-hand panel, click Dashboards and select the dashboard you need. If you do not have a dashboard, create one.
In the top-right corner, click Edit.
At the top of the screen, click . The settings window will open on the right.
Under Appearance, select the dashboard theme to configure the background for:
- : Light theme.
- : Dark theme.
Set the widget rounding value. The possible values range from 0 to 24 in increments of 2. The default value for all widgets is either 3 or 12, depending on whether UI customization is enabled and which version is used. You can also set a custom value.
In the top-right corner of the dashboard edit window, click Save.