I have just tried photoshop cc (2019 latest version 20.0.1) again after un-installing it a few weeks ago because it was full of bugs and none of the basics seemed to work. And guess what? it is still useless. Sharpening using the lowpass filter was the first thing I tried and it doesn't work. No surprise there then. So I have uninstalled it again and gone back to a much older version. Adobe should be ashamed of themselves for putting us through this. They charge a small fortune for CC every month and expect the wider PS community to do all their leg work for them. Adobe have turned into Microsoft from the 90's . The whole of the Research and Development Team need to be replaced. A very poor showing from Adobe. And if you don't believe me then just try and turn off the home screen in PS as a starting point. After that it just gets worse.