We have fixed this issue and the fix is available in latest InDesign build 15.1.1
please confirm in comments if the fix is working well for you
An error occurred while saving the commentYulia Semenova commented
Just updated to 15.0.3 but the problem is still here. Instead of collecting cashe font files in a random folder they are now saved within their designated Fonts folder, BUT they keep sync with Google Drive every time I open an Indesign file and it slows down Indesign a lot! Please fix it! It was fine before the 15.0.2 version.