diff --git a/html/changelogs/AutoChangeLog-pr-4430.yml b/html/changelogs/AutoChangeLog-pr-4430.yml
new file mode 100644
index 0000000000..11fd6bb4a7
--- /dev/null
+++ b/html/changelogs/AutoChangeLog-pr-4430.yml
@@ -0,0 +1,4 @@
+author: "Naksu"
+delete-after: True
+changes:
+ - tweak: "Hostile mobs on z-levels without living players will now conserve their efforts and simply not run AI routines at all. Also, idling mob routines should be significantly cheaper on non-station Z-levels."