In kittens game, why did researching Pumpjack reduce my oil production?

In kittens game, why did researching Pumpjack reduce my oil production? - Collection of organic soaps and bamboo toothbrushes in ceramic minimalism style holder placed near renewable glass bottle with essential oil on white marble tabletop against beige wall

After reseting a game with a few chronospheres, I eventually got to researching "Pumpjack" in the Workshop. But my oil production went from +.15 to -.25 when I did that. Was this a bug where my oil refine rate was kept from before the reset until i researched this? Or is this a bug where the "Pumpjack" upgrade just isn't working? It definitely seems like a bug tho.

Update: Actually, it seems that when I researched "Pumpjack", my oil well (i only had one built) was disabled. Still seems like a bug for that to happen.






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Let's Talk Idle - Kittens Game Review [#15]




Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

Images: Karolina Grabowska, Karolina Grabowska, Karolina Grabowska, Pixabay