Comment 3 for bug 1840740

snapd 2.41 includes the following packaging change vs the 2.40 currently in bionic:

--- snapd-2.40+18.04/debian/snapd.maintscript 2019-07-12 08:40:08.000000000 +0000
+++ snapd-2.41+18.04/debian/snapd.maintscript 2019-08-30 06:56:16.000000000 +0000
@@ -2,4 +2,4 @@
 # we used to ship a custom grub config that is no longer needed
 rm_conffile /etc/grub.d/09_snappy 1.7.3ubuntu1
 rm_conffile /etc/ld.so.conf.d/snappy.conf 2.0.7~
-rm_conffile /etc/apparmor.d/usr.lib.snapd.snap-confine 2.23.6~
+rm_conffile /etc/apparmor.d/usr.lib.snapd.snap-confine 2.23.6~ snap-confine

I can't see any explanation in the changelog for this change and it is not obviously correct. This needs documentation and a test case.