Mostly just bad assumptions from months ago. They didn't start out bad; but over time they proved to be less than helpful.
So for example configuration data was kept in a number of different places. One of my refactorings is to unify them all into a single hashmap instead of having a bunch of little hashmaps randomly distributed around the code.
From: TheSameCat<-mazin at 06/16 08:45
> I’m presently paying 10 years of it down on a project. I’m two years in. 😵💫
>
> What form does yours take Uncle Bob?