diff -Nru gutenprint-5.2.8~pre1/debian/changelog gutenprint-5.2.8~pre1/debian/changelog
--- gutenprint-5.2.8~pre1/debian/changelog	2012-02-14 22:54:45.000000000 +0000
+++ gutenprint-5.2.8~pre1/debian/changelog	2012-03-22 14:01:04.000000000 +0000
@@ -1,3 +1,13 @@
+gutenprint (5.2.8~pre1-0ubuntu2) precise; urgency=low
+
+  * debian/printer-driver-gutenprint.postinst: Use old method to update the
+    PPDs of existing print queues on the transition from Gutenprint 5.2.7 to
+    5.2.8 (LP: #932882, LP: #960496).
+  * debian/printer-driver-gutenprint.ppd-updater: Improvement of NickName
+    matching rules.
+
+ -- Till Kamppeter <till.kamppeter@gmail.com>  Thu, 22 Mar 2012 15:00:00 +0100
+
 gutenprint (5.2.8~pre1-0ubuntu1) precise; urgency=low
 
   * New upstream release
diff -Nru gutenprint-5.2.8~pre1/debian/printer-driver-gutenprint.postinst gutenprint-5.2.8~pre1/debian/printer-driver-gutenprint.postinst
--- gutenprint-5.2.8~pre1/debian/printer-driver-gutenprint.postinst	1970-01-01 00:00:00.000000000 +0000
+++ gutenprint-5.2.8~pre1/debian/printer-driver-gutenprint.postinst	2012-03-22 13:53:18.000000000 +0000
@@ -0,0 +1,53 @@
+#! /bin/sh
+# postinst script for cups-driver-gutenprint
+#
+# see: dh_installdeb(1)
+
+set -e
+
+# summary of how this script can be called:
+#        * <postinst> `configure' <most-recently-configured-version>
+#        * <old-postinst> `abort-upgrade' <new version>
+#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
+#          <new-version>
+#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
+#          <failed-install-package> <version> `removing'
+#          <conflicting-package> <version>
+# for details, see /usr/doc/packaging-manual/
+#
+# quoting from the policy:
+#     Any necessary prompting should almost always be confined to the
+#     post-installation script, and should be protected with a conditional
+#     so that unnecessary prompting doesn't happen if a package's
+#     installation fails and the `postinst' is called with `abort-upgrade',
+#     `abort-remove' or `abort-deconfigure'.
+
+#s/^if\s+\[\s+"\$1"\s+=\s+"configure"\s+\];\s+then\s+ldconfig\b//m;
+
+if [ "$1" = "configure" ]; then
+
+  if dpkg --compare-versions "$2" lt-nl "5.2.8~pre1-0ubuntu1"; then
+    # For the transition from Gutenprint 5.2.7 to 5.2.8 still use the
+    # old method of updating existing PPD files
+    # Upgrade in-use PPD files, continue on any failure
+    cups-genppdupdate || true
+    # Restart CUPS (to register new and updated PPDs)
+    [ -x /etc/init.d/cups ] && invoke-rc.d cups force-reload || true
+    # Wait for the CUPS daemon getting ready after reloading it
+    for i in 1 2 3 4 5; do if [ -r /var/run/cups/cups.sock ]; then break; fi; sleep 1; echo -n "."; done; echo;
+  fi
+
+elif [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-remove" ] || [ "$1" = "abort-deconfigure" ]; then
+  :
+else
+  echo "postinst called with unknown argument \`$1'" >&2
+  exit 0
+fi
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit 0
+
diff -Nru gutenprint-5.2.8~pre1/debian/printer-driver-gutenprint.ppd-updater gutenprint-5.2.8~pre1/debian/printer-driver-gutenprint.ppd-updater
--- gutenprint-5.2.8~pre1/debian/printer-driver-gutenprint.ppd-updater	2012-02-14 22:52:30.000000000 +0000
+++ gutenprint-5.2.8~pre1/debian/printer-driver-gutenprint.ppd-updater	2012-03-22 13:52:43.000000000 +0000
@@ -1,2 +1,2 @@
 DRIVER_REGEXP='^gutenprint'
-GENNICKNAME_REGEXP='s/ LF / Large Format /; s/-simplified//; s/\s*Simplified//; s/\s*v[\d\.]*(|-pre\d+)\s*$//; s/\.[\d\.]*(|-pre\d+)$//; s/ Foomatic\/gutenprint-ijs/ - CUPS+Gutenprint/i'
+GENNICKNAME_REGEXP='s/ LF / Large Format /; s/-simplified//; s/\s*Simplified//; s/\s+Foomatic\/gutenprint-ijs/ - CUPS+Gutenprint/i; s/\s*v[\d\.]*(|-pre\d+)\s*$//; s/\.[\d\.]*(|-pre\d+)\s*$//'