diff --git a/debian/NEWS.debian b/debian/NEWS.debian
index 3987e99..7a738d5 100644
--- a/debian/NEWS.debian
+++ b/debian/NEWS.debian
@@ -26,6 +26,17 @@ squid3 (3.5.6-1) unstable; urgency=medium
   that cache store format changed from squid 2.x and cannot be reused with
   squid 3.x
 
+  [ Robie Basak ]
+  In Ubuntu, data in /var/spool/squid3 *was* moved automatically on upgrade to
+  Xenial (3.5.12-1ubuntu7). Upgrades from before Xenial to after Xenial are not
+  supported; you must upgrade through Xenial. Details of the historic migration
+  path are in Steve's note below.
+
+  [ Steve Langasek ]
+  An attempt will be made to move the data in /var/spool/squid3 automatically.
+  If this is a mountpoint, the move will fail and you will need to migrate
+  your mount configuration by hand.
+
  -- Luigi Gangitano <luigi@debian.org> Wed, 22 Jul 2015 15:48:13 +0200
 
 squid3 (3.0.STABLE15-1) unstable; urgency=low