From https://forum.travelmapping.net/index.php?topic=7771.0, an idea for another change check to happen when a new PR is created or a new commit is added to a PR:
Complete removal of a waypoint label (not a demotion to an alt label) that would introduce a new breakage of a user list file. Maybe it could even cross-check with new entries in updates.csv to report whether it looks like the list file breakage was already mentioned there.
From https://forum.travelmapping.net/index.php?topic=7771.0, an idea for another change check to happen when a new PR is created or a new commit is added to a PR: