I'd recently begun to use circuit networks to manage low volume/high value production quantities and bot numbers, but since upgrading to 2.0.9 I no longer have the option to make wires. All the other circuit network options remain, just wire is missing.
What did you do? Tried to change the route of a diagonal track. Deleted existing track placed in save game created in 1.1.110 by right-clicking on sections to form a break in the line. Clicked the green arrow to lay out a new track section, moved the mouse to where I wanted the track to go. Same ...