I have now released version 1.0.38.0 of DFFS for the Modern SharePoint. It fixes a few bug related to setting a date field in a rule. See the full change log here: https://spjsworks.com/changelog

Read more and get your license over at SPJSWorks.com

Post any feedback in the forum here: https://spjsblog.com/forums/forum/modern-dffs/

Alexander