Hi, in the latest release changelog it says: "Fixed train path finding penalty for circuit network disabled signals.".

I thought this would fix issues like https://forums.factorio.com/viewtopic.php?f=173&t=27740 .

I did a quick test shown in the following screenshot:
2016-08-17 14_05_58-Factorio ...

I added the following control.lua to the loaders mod. It deactivates and activates them every now and then. This solves the problem that loaders stay deactivated even when they have work to do.

script.on_init(function()
if global.tickTable == nil then
global.tickTable = { }
global.loaderCount ...