diff -pruN 0.1.4-5/debian/changelog 0.1.4-5ubuntu1/debian/changelog
--- 0.1.4-5/debian/changelog	2023-02-06 13:28:37.000000000 +0000
+++ 0.1.4-5ubuntu1/debian/changelog	2023-03-29 06:46:06.000000000 +0000
@@ -1,3 +1,9 @@
+gmenuharness (0.1.4-5ubuntu1) lunar; urgency=medium
+
+  * Mark new symbol optional, it's a C++ template.
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Wed, 29 Mar 2023 06:46:06 +0000
+
 gmenuharness (0.1.4-5) unstable; urgency=medium
 
   [ Anton Gladky ]
diff -pruN 0.1.4-5/debian/control 0.1.4-5ubuntu1/debian/control
--- 0.1.4-5/debian/control	2022-07-25 14:20:03.000000000 +0000
+++ 0.1.4-5ubuntu1/debian/control	2023-03-29 06:46:06.000000000 +0000
@@ -1,7 +1,8 @@
 Source: gmenuharness
 Section: libs
 Priority: optional
-Maintainer: Debian UBports Team <team+ubports@tracker.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian UBports Team <team+ubports@tracker.debian.org>
 Uploaders:
  Mike Gabriel <sunweaver@debian.org>,
 Build-Depends: cmake,
diff -pruN 0.1.4-5/debian/libgmenuharness0.1.symbols 0.1.4-5ubuntu1/debian/libgmenuharness0.1.symbols
--- 0.1.4-5/debian/libgmenuharness0.1.symbols	2023-02-06 13:28:30.000000000 +0000
+++ 0.1.4-5ubuntu1/debian/libgmenuharness0.1.symbols	2023-03-29 06:45:16.000000000 +0000
@@ -81,4 +81,4 @@ libgmenuharness.so.0.1 libgmenuharness0.
  _ZNK6lomiri12gmenuharness11MenuMatcher5matchERNS0_11MatchResultE@Base 0.1.4
  _ZNK6lomiri12gmenuharness11MenuMatcher5matchEv@Base 0.1.4
  _ZNK6lomiri12gmenuharness15MenuItemMatcher5matchERNS0_11MatchResultERKSt6vectorIjSaIjEERKSt10shared_ptrI11_GMenuModelERSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES9_I13_GActionGroupESt4lessISK_ESaISt4pairIKSK_SM_EEEj@Base 0.1.4
- _ZSt16__do_uninit_copyIPKN6lomiri12gmenuharness15MenuItemMatcherEPS2_ET0_T_S7_S6_@Base 0.1.4
+ (optional=template)_ZSt16__do_uninit_copyIPKN6lomiri12gmenuharness15MenuItemMatcherEPS2_ET0_T_S7_S6_@Base 0.1.4