diff -pruN 9.0.70-1/debian/changelog 9.0.70-1ubuntu1/debian/changelog
--- 9.0.70-1/debian/changelog	2022-12-05 17:50:40.000000000 +0000
+++ 9.0.70-1ubuntu1/debian/changelog	2022-12-22 18:00:21.000000000 +0000
@@ -1,3 +1,17 @@
+tomcat9 (9.0.70-1ubuntu1) lunar; urgency=medium
+
+  * Merge with Debian unstable. Remaining changes:
+    - Fix logging for unprivileged rsyslogd (LP #1964881):
+      + d/logrotate.template: use syslog:adm for log rotation so that
+        rsyslog can write to the file
+      + d/rsyslog/tomcat9.conf: drop "fileOwner" as it cannot be set by an
+        unprivileged rsyslogd
+      + d/tomcat9.postinst: adjust ownership of catalina.out so that
+        rsyslogd can write to it. Also change the rotated log files for
+        consistency.
+
+ -- Andreas Hasenack <andreas@canonical.com>  Thu, 22 Dec 2022 15:00:21 -0300
+
 tomcat9 (9.0.70-1) unstable; urgency=medium
 
   * New upstream release
@@ -26,6 +40,20 @@ tomcat9 (9.0.67-1) unstable; urgency=med
 
  -- Emmanuel Bourg <ebourg@apache.org>  Tue, 27 Sep 2022 00:49:00 +0200
 
+tomcat9 (9.0.65-1ubuntu1) kinetic; urgency=medium
+
+  * Merge with Debian unstable. Remaining changes:
+    - Fix logging for unprivileged rsyslogd (LP #1964881):
+      + d/logrotate.template: use syslog:adm for log rotation so that
+        rsyslog can write to the file
+      + d/rsyslog/tomcat9.conf: drop "fileOwner" as it cannot be set by an
+        unprivileged rsyslogd
+      + d/tomcat9.postinst: adjust ownership of catalina.out so that
+        rsyslogd can write to it. Also change the rotated log files for
+        consistency.
+
+ -- Andreas Hasenack <andreas@canonical.com>  Mon, 15 Aug 2022 09:06:28 -0300
+
 tomcat9 (9.0.65-1) unstable; urgency=medium
 
   * Team upload.
@@ -33,6 +61,19 @@ tomcat9 (9.0.65-1) unstable; urgency=med
 
  -- Markus Koschany <apo@debian.org>  Fri, 12 Aug 2022 12:56:06 +0200
 
+tomcat9 (9.0.64-2ubuntu1) kinetic; urgency=medium
+
+  * Fix logging for unprivileged rsyslogd (LP: #1964881):
+    - d/logrotate.template: use syslog:adm for log rotation so that
+      rsyslog can write to the file
+    - d/rsyslog/tomcat9.conf: drop "fileOwner" as it cannot be set by an
+      unprivileged rsyslogd
+    - d/tomcat9.postinst: adjust ownership of catalina.out so that
+      rsyslogd can write to it. Also change the rotated log files for
+      consistency.
+
+ -- Andreas Hasenack <andreas@canonical.com>  Thu, 23 Jun 2022 18:02:52 -0300
+
 tomcat9 (9.0.64-2) unstable; urgency=medium
 
   * Fallback to the default log formatter when systemd isn't used
diff -pruN 9.0.70-1/debian/control 9.0.70-1ubuntu1/debian/control
--- 9.0.70-1/debian/control	2022-12-05 15:29:55.000000000 +0000
+++ 9.0.70-1ubuntu1/debian/control	2022-12-22 18:00:21.000000000 +0000
@@ -1,7 +1,8 @@
 Source: tomcat9
 Section: java
 Priority: optional
-Maintainer: Debian Java Maintainers <pkg-java-maintainers@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian Java Maintainers <pkg-java-maintainers@lists.alioth.debian.org>
 Uploaders:
  tony mancill <tmancill@debian.org>,
  Emmanuel Bourg <ebourg@apache.org>
diff -pruN 9.0.70-1/debian/logrotate.template 9.0.70-1ubuntu1/debian/logrotate.template
--- 9.0.70-1/debian/logrotate.template	2022-12-05 15:29:55.000000000 +0000
+++ 9.0.70-1ubuntu1/debian/logrotate.template	2022-12-22 17:59:53.000000000 +0000
@@ -5,6 +5,6 @@
   compress
   delaycompress
   missingok
-  create 640 tomcat adm
-  su tomcat adm
+  create 640 syslog adm
+  su syslog adm
 }
diff -pruN 9.0.70-1/debian/rsyslog/tomcat9.conf 9.0.70-1ubuntu1/debian/rsyslog/tomcat9.conf
--- 9.0.70-1/debian/rsyslog/tomcat9.conf	2022-12-05 15:29:55.000000000 +0000
+++ 9.0.70-1ubuntu1/debian/rsyslog/tomcat9.conf	2022-12-22 17:59:53.000000000 +0000
@@ -2,6 +2,6 @@
 $template TomcatFormat,"[%timegenerated:::date-year%-%timegenerated:::date-month%-%timegenerated:::date-day% %timegenerated:::date-hour%:%timegenerated:::date-minute%:%timegenerated:::date-second%] [%syslogseverity-text%]%msg%\n"
 
 :programname, startswith, "tomcat9" {
-  action(type="omfile" file="/var/log/tomcat9/catalina.out" Template="TomcatFormat" fileOwner="tomcat" fileCreateMode="0640")
+  action(type="omfile" file="/var/log/tomcat9/catalina.out" Template="TomcatFormat" fileCreateMode="0640")
   stop
 }
diff -pruN 9.0.70-1/debian/tomcat9.postinst 9.0.70-1ubuntu1/debian/tomcat9.postinst
--- 9.0.70-1/debian/tomcat9.postinst	2022-12-05 15:29:55.000000000 +0000
+++ 9.0.70-1ubuntu1/debian/tomcat9.postinst	2022-12-22 17:59:53.000000000 +0000
@@ -64,6 +64,9 @@ case "$1" in
 
 	# Grant read/write access to tomcat to the log and cache directories
 	chown -Rh $TOMCAT_USER:adm /var/log/tomcat9/
+	# catalina.out is written to by rsyslogd, which runs as the "syslog" user in Ubuntu
+	# also include rotated catalina.out files, usually with an extension of [0-9]+[.gz]
+	chown syslog:adm /var/log/tomcat9/catalina.out* 2>/dev/null || : # file might not exist yet
 	chmod 2770 /var/log/tomcat9/
 	chown -Rh $TOMCAT_USER:$TOMCAT_GROUP /var/cache/tomcat9/
 	chmod 750 /var/cache/tomcat9/
