XS，MD，LG，What is the full name？
What does it mean?

There's no need to reply. It originally referred to the size of the screen window.
Note that abbreviations can lead to misunderstandings,
and this setting control cannot be localized in language for the time being

Actually, I think it would be better to integrate the column layout by dragging blocks for sorting

Actually, I think it would be better to integrate the column layout by dragging blocks for sorting

Who's in charge of reviewing this PR?

Looks really good to me.

When will this feature be available? @Philipinho

Please, please, please add this feature!

Thanks for you work.
I went with a different approach #1968.