I’ve come across a couple of issues in DFFS rules today. I’m not sure if it’s just me. SP2010, fresh install of “DFFS February 25, 2017.zip”
On save – I disabled an “on save” rule, but the rule was still being processed when saving (setting the value of a choice field). I had to delete the rule to stop it running.
Empty people picker field – I wanted the rule to run on field change when the person was removed and the picker is empty again, so I set “is equal to”, and left the parameter box empty. It looks like it’s not picking up the blanking out of the box at all.
(The opposite rule of “is not equal to” and a blank box works as expected.)