I have the same issue. Running Windows 10 on a desktop, Chrome, IE and Edge. When I close any of these browsers and come back to it later, the isolines I had previously set to display appear for about 1/2 sec then revert to "None". I have to go back into settings every time to reselect.

I have the same issue. Running Windows 10 on a desktop, Chrome, IE and Edge. When I close any of these browsers and come back to it later, the isolines I had previously set to display appear for about 1/2 sec then revert to "None". I have to go back into settings every time to reselect.