diff -pruN 1.0-4/debian/changelog 1.0-4ubuntu3/debian/changelog
--- 1.0-4/debian/changelog	2021-02-20 11:22:13.000000000 +0000
+++ 1.0-4ubuntu3/debian/changelog	2025-08-11 06:28:21.000000000 +0000
@@ -1,3 +1,33 @@
+sdpb (1.0-4ubuntu3) questing; urgency=medium
+
+  * No-change rebuild for boost 1.88.
+
+ -- Matthias Klose <doko@ubuntu.com>  Mon, 11 Aug 2025 08:28:21 +0200
+
+sdpb (1.0-4ubuntu2) questing; urgency=medium
+
+  * No-change rebuild for libtinyxml2-11.
+
+ -- Sudip Mukherjee <sudipm.mukherjee@gmail.com>  Sat, 03 May 2025 16:25:49 +0000
+
+sdpb (1.0-4ubuntu1) noble; urgency=medium
+
+  * No-change rebuild against libtinyxml2-10
+
+ -- Dan Bungert <daniel.bungert@canonical.com>  Mon, 22 Jan 2024 10:31:23 -0700
+
+sdpb (1.0-4build2) noble; urgency=medium
+
+  * No-change rebuild for boost defaults change.
+
+ -- Matthias Klose <doko@ubuntu.com>  Tue, 19 Dec 2023 15:55:47 +0100
+
+sdpb (1.0-4build1) jammy; urgency=medium
+
+  * No-change rebuild against libtinyxml2-9
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Sun, 07 Nov 2021 17:35:20 +0000
+
 sdpb (1.0-4) unstable; urgency=medium
 
   * Team Upload.
diff -pruN 1.0-4/debian/control 1.0-4ubuntu3/debian/control
--- 1.0-4/debian/control	2021-02-20 11:02:19.000000000 +0000
+++ 1.0-4ubuntu3/debian/control	2021-11-07 17:35:20.000000000 +0000
@@ -1,5 +1,6 @@
 Source: sdpb
-Maintainer: Debian Science Team <debian-science-maintainers@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian Science Team <debian-science-maintainers@lists.alioth.debian.org>
 Uploaders: Tobias Hansen <thansen@debian.org>
 Section: math
 Priority: optional