At the present time, iScreensaver Designer 5.2 provides support for macOS 10.13 High Sierra, but there are some functional limitations.
Please read the 10.13 High Sierra Tech Note
as well as the Release Notes
Due to changes made by Apple, iScreensaver Designer version 5.2 does not currently support macOS 10.14 Mojave.
Please read our forum post
for the latest updates.
[Solved] Screensaver freezes after 10 minutes of running.
Recently I downloaded an old Spongebob screensaver from 1999 for nostalgia purposes. I got it to work fine on the computer and even show up after the computer is idle. However, it seems that the screensaver freezes after awhile. Usually this can be fixed by hitting enter, but that's not the case if it's frozen for a long period of time (e.g. two hours), in which case I have to use Alt+F4 to close it. Does anyone know a way that I can fix it? Thank you.
Here is the download and instructions on how to get it working, for anyone who wants to reproduce: