diff -Nru libbpp-qt-2.4.1/debian/changelog libbpp-qt-2.4.1/debian/changelog
--- libbpp-qt-2.4.1/debian/changelog	2024-02-29 15:31:14.000000000 +0000
+++ libbpp-qt-2.4.1/debian/changelog	2024-04-12 05:54:45.000000000 +0000
@@ -1,3 +1,9 @@
+libbpp-qt (2.4.1-9.1ubuntu1) noble; urgency=medium
+
+  * Fix symbols file for amd64.
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Fri, 12 Apr 2024 05:54:45 +0000
+
 libbpp-qt (2.4.1-9.1) unstable; urgency=medium
 
   * Non-maintainer upload.
diff -Nru libbpp-qt-2.4.1/debian/control libbpp-qt-2.4.1/debian/control
--- libbpp-qt-2.4.1/debian/control	2024-02-29 15:31:14.000000000 +0000
+++ libbpp-qt-2.4.1/debian/control	2024-04-12 05:54:45.000000000 +0000
@@ -1,5 +1,6 @@
 Source: libbpp-qt
-Maintainer: Debian Med Packaging Team <debian-med-packaging@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian Med Packaging Team <debian-med-packaging@lists.alioth.debian.org>
 Uploaders: Julien Dutheil <julien.dutheil@univ-montp2.fr>,
            Andreas Tille <tille@debian.org>
 Section: science
diff -Nru libbpp-qt-2.4.1/debian/libbpp-qt2t64.symbols.amd64 libbpp-qt-2.4.1/debian/libbpp-qt2t64.symbols.amd64
--- libbpp-qt-2.4.1/debian/libbpp-qt2t64.symbols.amd64	2024-02-29 15:30:55.000000000 +0000
+++ libbpp-qt-2.4.1/debian/libbpp-qt2t64.symbols.amd64	2024-04-12 05:54:36.000000000 +0000
@@ -264,7 +264,7 @@
  _ZN5QListI7QStringED2Ev@Base 2.4.1
  _ZN5QListIP13QGraphicsItemED1Ev@Base 2.4.1
  _ZN5QListIP13QGraphicsItemED2Ev@Base 2.4.1
- _ZN5QListIP15QAbstractButtonE6detachEv@Base 2.4.1
+ (optional)_ZN5QListIP15QAbstractButtonE6detachEv@Base 2.4.1
  _ZN5QListIP15QAbstractButtonED1Ev@Base 2.4.1
  _ZN5QListIP15QAbstractButtonED2Ev@Base 2.4.1
  _ZN5QListIP17QGraphicsTextItemE18detach_helper_growEii@Base 2.4.1
@@ -273,7 +273,7 @@
  _ZN7QStringC2EPKc@Base 2.4.1
  _ZN7QStringD1Ev@Base 2.4.1
  _ZN7QStringD2Ev@Base 2.4.1
- _ZN9QtPrivate8RefCount5derefEv@Base 2.4.1
+ (optional)_ZN9QtPrivate8RefCount5derefEv@Base 2.4.1
  _ZNK3bpp10TreeCanvas10metaObjectEv@Base 2.4.1
  _ZNK3bpp10TreeCanvas12drawingWidthEv@Base 2.4.1
  _ZNK3bpp10TreeCanvas13drawingHeightEv@Base 2.4.1