What happened to BLOCK duplication in the old system? I can't find it.

Hey all, 

One of my sites is still on the Old Squarespace system, and all of the sudden I seem to be completely unable to find or access the feature for duplicating blocks. All I am getting when I hover on any of my blocks is the trash icon, and not that little menu of three options I am seeking. What is going on? Did this feature somehow go away?