Since there is now an official Xfce screensaver, shouldn't xflock4 make use of it? :)
Created attachment 8354 Support xfce4-screensaver in xflock4
Added with: https://git.xfce.org/xfce/xfce4-session/commit/?id=baf23e096da712084e54b47faa49c1ca99665b75 Fixed with: https://git.xfce.org/xfce/xfce4-session/commit/?id=b863b3befc2734c277a22060af8bc3d891974f53
Ah, I didn't see it already was merged. Thanks!