Switched to this when Simple File Manager went bust. It's wayy better, in terms of design, features, and user experience. I love the file move flow being presented as cut&paste, and other unique tidbits.
Looks like people are forking the project: https://github.com/fossifyorg
But, of course, the question is whether anyone will actually maintain the apps.
https://apt.izzysoft.de/fdroid/index/apk/org.fossify.gallery