Stone corps no longer need Robotics???

I was just checking my corp supplies and noticed that Stone no longer requires Robotics.
Is this permanent or a glitch?
I checked a few others in different countries and they use 0.

I will check.

We are trying to improve profitability of corporations even further.
In several cases, robotics was tuned down a bit to reduce the cost for the corporation.
Insignificant but this could be a bug.