Not exactly. The lamp color was telling you that the station was disabled, as the mod lacked a way to direct the train to the correct station.

Bringing back the lamp color need not necessarily disable a station now. It would just give me a useful visual indicator that I could choose to ignore.

I know another failure state that would do some of this: Trains returning to a depot that doesn't clear the delivery. I didn't think to document exactly what happened, but when I tried to copy and paste a stop I missed some of my circuit wires. Eventually caught trains just cycling the same orders- ...

Would it be possible to reintroduce a station lamp color indicator and possibly a circuit signal to indicate duplicate names? I'd be fine dropping an extra combinator or two to send some signal that directly or effectively disables the station until I've had a chance to configure a few things, despi...

You might as well not use the arithmetic combinator and connect the read train stop cargo directly to the filter inserters to unload. It is useless in helping stop unwanted items being dropped off. Obviously you can stop the train at the depot (by turning off the depot signal when there is left ove...

As per recipe-builder-fallbacks.lua your t2-plate is steel plate, t2 brick is clay brick, t2 gear wheel is brass, and t2 pipe is brass. As per refining-entity-angels.lua your ore-sorting-facility-2 lists all t2 materials for both normal and expensive recipes. Looking at a copy of 0.7.17 I already ha...