My 3rd feature request for today (maybe the most simple to do);
In the color selection menu of the parameters window, it could be usefull to have a color picker
(for now what I do is pick the color, go to read the color code corresponding and write it then in the params’ color menu).
To copy a color form any place of the canvas and paste it to a layer color parameter you can do it with the eyedrop tool. Click on the place and get the color. Then right click on the color parameter and select “Apply outline color”.