What did you do?
I created a blueprint that warns about liquid problem using programmable speakers. In my blueprint I made a warning for low heavy oil and a warning for slow cracking). I then parameterized the in and out liquids so I can reuse the blueprint for the other liquid cracking/reactions ...

With this, we reach the current state of the New Logistics GUI. Can you think of any other improvements we can make to it?
I normally use the Logistics GUI to tell if I'm running low on any resources, I scroll to the bottom of the list and check for any items with negative values.

With that in ...