I have found out third way to reproduce this issue: 1. Rectangle Select and mark some area on canvas. 2. Click on Deselect All button on toolbar. If now picture is saved this blue squares remains in image.
I have found out third way to reproduce this issue:
1. Rectangle Select and mark some area on canvas.
2. Click on Deselect All button on toolbar.
If now picture is saved this blue squares remains in image.