Cant move or rename data table row names

For some reason, starting in 4.24 I can’t change rownames or move rows in data tables.

Here’s a picture of an older UE version: (from a Mathew Wadstein video)

And this is in 4.24, checked 4.25 preview as well and it still doesn’t show up.

Is it a bug? Is it moved somewhere and I missed it?

Indeed few things have changed.
Here is a pic :

You’re absolutely right! Thank you

You are welcome! I had difficulties to find it out too

Thank you! Was struggling with this, it’s the correct answer.