Yandex DataLens release notes: October 2025

• Changes in basic features
• Fixes and improvements
• Changes available with the Business service plan

Changes in basic featuresChanges in basic features

• Added connection versioning. You can now view a list of previously saved connection changes and roll back to a previous version.
  The following restrictions apply:

  • Versioning is not available for the following connections: Files, Yandex Documents, and Google Sheets.
  • Sensitive connection data, such as passwords and tokens, is not versioned.
  • Connection versions do not contain the source data changes (rows added, updated, or deleted in the data source).
  • You can only get change history for the last three months.

• Added the option to set up field display in the dataset. For dimensions, you can choose a color and set a display format for numeric types; for measures, you can only set a display format for numbers. These settings apply when you use these fields in charts built based on this dataset.

  Field display settings

  

• Added the ability to select a default palette in the chart color settings.

• The chat with support can now be opened directly from the Yandex DataLens interface. To open the chat, click on the sidebar and select Open chat under Support.

• New works available in DataLens Gallery. For more information, see the DataLens Telegram chat.

Changes in the interfaceChanges in the interface

• The confirmation button was made more visible in the dialog box for creating, saving, and duplicating entities in folder navigation.

  Saving a chart

  

• Added contrast to the background color of the dashboard and widget pinning area.

• For private object embedding, highlighted the info that the functionality is available in the Business service plan to the settings window.

  Embedding settings

  

Mobile version updatesMobile version updates

• Added a widget pinning area to the dashboard.
• Viewing dashboard contents and descriptions, as well as the button, are now available in the panel at the bottom of the screen.

Fixes and improvementsFixes and improvements

• Implemented the _autoupdate parameter for private embedding, which allows you to manage the auto-update of charts and dashboards.

• For charts and dashboards, fixed the issue of opening the embedding settings in the side navigation. To open the settings, click Charts or Dashboards in the sidebar and click → Embedding settings in the row with the object.

• Fixed the display of totals in the Waterfall chart tooltip (Gravity UI Charts).

• Fixed an error when exporting data from a chart to an XLSX file, where the Date and time column displayed the export date instead of the Total.

Fixes in chartsFixes in charts

• Disabled sorting for multi-dataset charts.
• Fixed the undo changes button operation when changing chart type to combined chart.
• In the table and pivot table, fixed the colors of fields with the default palette.
• Fixed the display of an indicator, which uses markup functions along with some other functions.
• In the pivot table, fixed the display of markup functions in the totals.
• For tables with trees, fixed the display of query info in the inspector.

Fixes in workbooksFixes in workbooks

• Added sorting by creation date and name in the object selection dialog in the workbook, when adding a chart or selector to a dashboard.
• When importing a workbook, the list of workbooks is now updated after you close the progress window.
• Added the option to delete a workbook during its creation (a workbook with the Importing status). In which case the workbook creation page will display an error.

Error handlingError handling

• Fixed the Minified error that occurred when using the dashboard in some browsers.

• Fixed an error that occurred when editing a calculated field formula in a chart with grouping already added.

• Fixed the display of validation errors when creating a connection.

• The error when attempting to create a workbook or collection with an existing name is now displayed more clearly and in the language configured by the user.

• Added a handling action for the error when attempting to deploy a workbook with invalid data from the gallery. Now you get a message with a recommendation to contact support.

Changes available with the Business service planChanges available with the Businessservice plan

• Fixed incorrect collapsing of the AI chat in the Safari browser.

Setting up an AI promptSetting up an AI prompt

Now you can set up a custom AI prompt. To do this, follow these steps:

1. Click Settings in the left part of the navigation panel to open the settings.

2. Go to the AI settings tab.

   AI settings

   

3. Click Edit.

4. Enter a prompt in the text field and click Save. Text length: up to 2,000 characters.

With each request to the AI, the custom prompt will be added to the DataLens system prompt.