SYMPTOM
From Strategy Developer, the modification of the Date prompt from Prompt Editor is not get applied in the report c ontains this prompt.
STEPS TO REPRODUCE
CAUSE
This is caused by the option "Set the current prompt answers to be the default prompt answers" which has been enabled in save options, so even user changes the prompt default answer from prompt editor, the current answeris still the default answer in this report as this option is checked.

ACTION
Uncheck the option "Set the current prompt answers to be the default prompt answers" from save options, and the change for the date prompt will get applied.
KB439198