Hi,
I have updates the description for the “Initially hidden fields” in the Misc tab earlier today (v4.256) as I simply forgot to change the description when I changed the functionality in v4.200.
If you look at the change log for v4.200 you see that this is effectively hiding the fields “permanently”, and to unhide it, you will have to use a custom function to remove the class “spjshidden”.
In most cases, you can change the trigger for example to [Applicable choice field] is NOT equal to [Applicable] > show the field. This will hide the field if you select “Applicable”.
Hope this helps,
Alexander