Tl;Dr Spotify turned shuffle on after I closed the app then later resumed my listening leaving me wildly confused and possibly with some major spoilers. Check before you resume listening.
I did a longer road trip this weekend and decided it'd be a good time to get through some of the books in my backlog. Unfortunately, not only was I hit with my audiobook listening limit (15 hours per month, apparently), which is not something I remember Spotify advertising very clearly in the app, but also Spotify decided to turn on shuffle on my return trip. Since I was paying attention to the road I honestly thought that perhaps the author had decided to go with a disjointed narrative for the latter half of the book, but when I got home I found that I had inadvertently listened to a few later chapters, and now I'm a little upset about it.
The book was The Luckiest Girl Alive if anyone was curious (honestly the jumpy timeline narrative kind of worked, it was just a little confusing). If you're new to this one, it comes with a pretty big content warning just fyi.
I guess I'll be finishing it next month when I have more listening hours on Spotify.