08-12-2020, 12:22 PM
Curvy Splines has a couple of those calls, but it can also come from other parts of your project. You can easily find out by doing a research on all files (CTRL+SHIFT+F on most code editors) of the string "Resources.UnloadUnusedAssets()"
Please consider leaving a review for Curvy. This will help a lot keeping Curvy relevant in the eyes of the Asset Store algorithm.