diff -Nru update-manager-20.04.10.3/debian/changelog update-manager-20.04.11/debian/changelog
--- update-manager-20.04.10.3/debian/changelog	2021-01-13 10:35:58.000000000 -0600
+++ update-manager-20.04.11/debian/changelog	2021-01-27 13:53:09.000000000 -0600
@@ -1,3 +1,10 @@
+update-manager (1:20.04.11) focal; urgency=medium
+
+  * Fix crash caused by adding apt package objects to a list of
+    strings (LP: #1913476)
+
+ -- William 'jawn-smith' Wilson <william.wilson@canonical.com>  Wed, 27 Jan 2021 13:53:09 -0600
+
 update-manager (1:20.04.10.3) focal; urgency=medium
 
   [ Julian Andres Klode ]
diff -Nru update-manager-20.04.10.3/UpdateManager/Core/UpdateList.py update-manager-20.04.11/UpdateManager/Core/UpdateList.py
--- update-manager-20.04.10.3/UpdateManager/Core/UpdateList.py	2021-01-13 10:34:26.000000000 -0600
+++ update-manager-20.04.11/UpdateManager/Core/UpdateList.py	2021-01-27 13:52:59.000000000 -0600
@@ -439,7 +439,7 @@
             meta_pkgs = [flavor_package, "ubuntu-standard", "ubuntu-minimal"]
             for pkg in cache:
                 if linux_regexp.match(pkg.name):
-                    meta_pkgs.append(pkg)
+                    meta_pkgs.append(pkg.name)
             for pkg in meta_pkgs:
                 if pkg in cache:
                     meta_group.add(cache[pkg])