How to freeze a column in SharePoint List ?

Microsoft is rolling out a new functionality to freeze (Sticky ) first column in a Microsoft (SharePoint) List.
Up until now it was only available in "Edit in Grid View" /Quick Edit.
In this video I will show you the look and feel and use cases

[@Helpthecause]

How do you unfreeze the column?

[@SharePointWizard]

It is not possible as far as I know know

[@GavinBrown-gf5hm]

Can you freeze more than one column

[@SharePointWizard]

Only the first column

[@Prasanthkokkiligadda]

which feature shall i activate to freeze first column in SharePoint Online?

[@SharePointWizard]

@Prasanthkokkiligadda it will just come ,no feature to activate

[@Prasanthkokkiligadda]

@@SharePointWizard Thanks for answering my question