I have installed 1.7 but straight away I have hit an issue - With just the background pixel layer I add a brightness and contrast adjustment layer, I then highlight the adjustment in the layers panel and select a brush to paint out the effect using the paintbrush set to black and nothing happens. I have tried it on the last beta version an it works. This also used to work on 1.6 which has been overwritten
I have reinstalled 1.7 from a fresh download but the same thing happens!
Windows 10 Version 1809
