Please let us know if you encounter any issues.
iScreensaver and macOS Catalina 10.15
7 October 2019 - macOS Catalina 10.15 has been released today by Apple.
The current version of iScreensaver (6.1.0) generally works with Catalina, but we have noticed a few small problems. You can go ahead and use 6.1 to build Catalina-compatible screensavers.
In particular, in Catalina, the integration of Photos.app (version 5) and iScreensaver is broken, and we will focus on this area.
We hope to release iScreensaver 6.2 this week which will improve this and a few other issues.
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