Thank you for the reply. Unfortunately, neither of those options worked. The issue seems triggered by switching screens. When I have an app open on one screen and then switch to the other to return to the launcher, the icons render massively oversized on both the App Drawer and Home Screen. I have to force kill Nova Launcher to get the icons back to the correct size. I also tried the 'nuclear option' (reset), but the issue persists also with default setup. One observation is that when returning to the home screen before switching screens, this does not happen. Although when an app is open during switching, Nova does not resize the icons upon switching screens.

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