Factorio 2.1 gave a small buff to prometheum storage since we now have the ability to send cargo between space platforms. You can just send it to a space platform specifically made for crafting prometheum science.

It would be nice to have an official statement on prometheum storage just for closure.

What did you do?
- Go to any ship
- Create or edit any interrupt
- Make any change to the interrupt, do not save changes
- Click outside the interrupt window, this should prompt you for unsaved changes
- If you press E (or the hotkey for confirm) once, the interrupt window closes, but the prompt ...