diff -pruN 8.13.51+ds-4.2/debian/changelog 8.13.51+ds-4.2ubuntu2/debian/changelog
--- 8.13.51+ds-4.2/debian/changelog	2025-03-23 16:37:53.000000000 +0000
+++ 8.13.51+ds-4.2ubuntu2/debian/changelog	2025-12-02 21:47:35.000000000 +0000
@@ -1,3 +1,23 @@
+libphonenumber (8.13.51+ds-4.2ubuntu2) resolute; urgency=medium
+
+  * No-change rebuild for icu soname.
+
+ -- Matthias Klose <doko@ubuntu.com>  Tue, 02 Dec 2025 22:47:35 +0100
+
+libphonenumber (8.13.51+ds-4.2ubuntu1) questing; urgency=medium
+
+  * cpp/tests/phonenumberutil_test.cc : escape bidirectional unicode
+    character to fix FTBFS  due to gcc-15 and -Werror=bidi-char=
+    (LP: #2124964)
+
+ -- John Chittum <john.chittum@canonical.com>  Tue, 23 Sep 2025 09:24:34 -0400
+
+libphonenumber (8.13.51+ds-4.2build1) questing; urgency=medium
+
+  * Rebuild against latest abseil
+
+ -- Jeremy Bícha <jbicha@ubuntu.com>  Sat, 03 May 2025 11:12:49 -0400
+
 libphonenumber (8.13.51+ds-4.2) unstable; urgency=medium
 
   * Non-maintainer upload.
diff -pruN 8.13.51+ds-4.2/debian/control 8.13.51+ds-4.2ubuntu2/debian/control
--- 8.13.51+ds-4.2/debian/control	2025-03-23 16:36:05.000000000 +0000
+++ 8.13.51+ds-4.2ubuntu2/debian/control	2025-09-23 13:24:34.000000000 +0000
@@ -1,6 +1,7 @@
 Source: libphonenumber
 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: Fredrik Roubert <roubert@google.com>
 Build-Depends:
   cmake,
diff -pruN 8.13.51+ds-4.2/debian/patches/lp2124964-bidi-char-warn-err.patch 8.13.51+ds-4.2ubuntu2/debian/patches/lp2124964-bidi-char-warn-err.patch
--- 8.13.51+ds-4.2/debian/patches/lp2124964-bidi-char-warn-err.patch	1970-01-01 00:00:00.000000000 +0000
+++ 8.13.51+ds-4.2ubuntu2/debian/patches/lp2124964-bidi-char-warn-err.patch	2025-09-23 13:24:34.000000000 +0000
@@ -0,0 +1,27 @@
+Description: Escape unicode bidi-char in comment
+  gcc-15 default in Ubuntu runs with -Werror=bidi-char=.
+  Bidi-char warnings are not supressable with pragma.
+  Instead, escape the comment into <> instead of [] so it
+  is not interpreted as unicode.
+Author: John Chittum <john.chittum@canonical.com>
+Bug: https://issuetracker.google.com/issues/446931058
+Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1116075
+Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/libphonenumber/+bug/2124964
+Last-Update: 2025-09-23
+---
+This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
+--- a/cpp/test/phonenumbers/phonenumberutil_test.cc
++++ b/cpp/test/phonenumbers/phonenumberutil_test.cc
+@@ -1623,8 +1623,11 @@
+   ExtractPossibleNumber("(650) 253-0000.", &extracted_number);
+   EXPECT_EQ("650) 253-0000", extracted_number);
+   // This case has a trailing RTL char.
++  // gcc-15+ introduces a new warning for invisible bidi Unicode characters
++  // compiling with gcc-15, -Wbidi-chars -Werror, this test will fail
++  // But it's meant to test a bidi char as it's a generally unsafe thing
+   ExtractPossibleNumber("(650) 253-0000\xE2\x80\x8F"
+-                        /* "(650) 253-0000‏" */, &extracted_number);
++                        /* "(650) 253-0000<U+200F>" */, &extracted_number);
+   EXPECT_EQ("650) 253-0000", extracted_number);
+ }
+ 
diff -pruN 8.13.51+ds-4.2/debian/patches/series 8.13.51+ds-4.2ubuntu2/debian/patches/series
--- 8.13.51+ds-4.2/debian/patches/series	2024-12-07 21:13:58.000000000 +0000
+++ 8.13.51+ds-4.2ubuntu2/debian/patches/series	2025-09-23 13:24:34.000000000 +0000
@@ -4,3 +4,4 @@
 no-nexus-staging-maven-plugin.diff
 no-cmake-oddities.diff
 Link-geocoding-shared-with-phonenumber-shared.patch
+lp2124964-bidi-char-warn-err.patch