[omeraplak]

I hadn't seen this package, I'll look into it, thanks. refine has native support for react-table. react-table supports grouping. Does it work for you?

https://refine.dev/docs/packages/documentation/react-table/

https://tanstack.com/table/v8/docs/examples/react/grouping

[revskill]

It's about row grouping, not column grouping.

[omeraplak]

Perhaps this is what you are looking for? https://tanstack.com/table/v8/docs/examples/react/expanding