Drawing very large areas of crops / paths might result in some lag due to restriction checking, in that case just do them in little patches or disable restriction checking from options.You can use arrow keys ⭠ ⭢ ⭡ ⭣ or middle mouse button to scroll the map if it doesn't fit to your screen.Just toggle highlights in the highlight menu to fix for now) W to toggle highlights temporarily (If you hold W and hover mouse to dropdowns it might break.S to easily select selector brush, press again to restore last brush.E to easily select eraser brush, press again to restore last brush.