I have now released version 1.0.40.0 of DFFS for the Modern SharePoint. It fixes one bug where when creating a rule with two or more conditions you could not change the root level operator from “And” to “Or”. 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