The dropdown menu opens up while hovering over the parent menu item.
A user pointed out that you can also click on the dropdown arrows, which acts as if it would control the dropdown menu ( open/close ), but that's not happening, and it can be confusing
https://www.loom.com/share/f9c9a15f67424ab8bfc7f1d5c00f15f1
https://drive.google.com/file/d/10Bqub665WFnXWWMiDNhTtam-QumEIfwp/view
Source: https://wordpress.org/support/topic/bug-294/
The dropdown menu opens up while
hoveringover the parent menu item.A user pointed out that you can also click on the dropdown arrows, which acts as if it would control the dropdown menu ( open/close ), but that's not happening, and it can be confusing
https://www.loom.com/share/f9c9a15f67424ab8bfc7f1d5c00f15f1
https://drive.google.com/file/d/10Bqub665WFnXWWMiDNhTtam-QumEIfwp/view
Source: https://wordpress.org/support/topic/bug-294/