8.2 either removed the two functions I used to manage article navigation at the bottom (move your eyes dowwwwn just above the comments), or I added them and thought they came for free. After looking at the date in the master repo the latter appears to be true!
Then to use it, go to your liquid template and add the following somewhere important:
If you want the links to have different text, say next/previous, you need to change the previous like so
It would appear that the prev/next_article filters check to see if one exists, but I prefer to link back to home for usability purposes, and this lets me do that.