We’re doing a test to see which one folks prefer better. Eventually we’ll probably standardize all of the re-released compiled APs, but these being the first two, we decided to do an A/B test to see if the community has an immediate preference.
The major differences are on our end with Paizo Connect and the Adventure Toolbox all behind the scenes. But from a player’s perspective, perhaps there’s value in having all three adventures in one title, instead of needing to navigate through three separate titles.