Are there any plans to introduce Grouping feaature for Grid?

Many popular frameworks have Grouping Tables support, for instance Smart GWT:

In fact, Grouping Table - is a regular table, but users can group data by some attributes. It can be done by users at runtime easily using Drag-and-Drop of a column header or using special option of a column context menu.

Such a component is a really crucial feature for enterprise applications, where users want to quick group rows by an attribute, perform calculations for group, for instance aggregation, export grouped data to Excel and so on. This feature cannot be emulated using TreeGrid, because of that runtime nature of grouping.

Do you have plans to introduce something like this Smart GWT component?

P.S. Recenlty, I’ve created a Github issue:
https://github.com/vaadin/framework/issues/8657

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