diff -pruN 0.21-3/debian/changelog 0.21-3ubuntu1/debian/changelog
--- 0.21-3/debian/changelog	2025-12-11 06:24:42.000000000 +0000
+++ 0.21-3ubuntu1/debian/changelog	2025-12-23 00:04:10.000000000 +0000
@@ -1,3 +1,16 @@
+python-graphviz (0.21-3ubuntu1) resolute; urgency=medium
+
+  * Disable tests that pass at build time but currently fail on
+    debian/ubuntu test infra.
+
+ -- Rik Mills <rikmills@kde.org>  Tue, 23 Dec 2025 00:04:10 +0000
+
+python-graphviz (0.21-3build1) resolute; urgency=medium
+
+  * No-change rebuild for graphviz.
+
+ -- Rik Mills <rikmills@kde.org>  Mon, 22 Dec 2025 13:57:49 +0000
+
 python-graphviz (0.21-3) unstable; urgency=medium
 
   * Add graphviz-tools, libgvplugin-pango as testing Build-Depends
diff -pruN 0.21-3/debian/control 0.21-3ubuntu1/debian/control
--- 0.21-3/debian/control	2025-12-11 06:24:42.000000000 +0000
+++ 0.21-3ubuntu1/debian/control	2025-12-22 13:57:49.000000000 +0000
@@ -1,5 +1,6 @@
 Source: python-graphviz
-Maintainer: Debian Python Team <team+python@tracker.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian Python Team <team+python@tracker.debian.org>
 Uploaders:
  Diane Trout <diane@ghic.org>,
 Section: python
diff -pruN 0.21-3/debian/tests/control 0.21-3ubuntu1/debian/tests/control
--- 0.21-3/debian/tests/control	2025-12-11 06:24:42.000000000 +0000
+++ 0.21-3ubuntu1/debian/tests/control	1970-01-01 00:00:00.000000000 +0000
@@ -1,15 +0,0 @@
-Test-Command: set -e
- ; for py in $(py3versions -r 2>/dev/null)
- ; do pushd "tests"
- ; echo "Testing with $py:"
- ; $py -m pytest -k 'not test_pipe_pipe_invalid_data_mocked'
- ; popd
- ; done
-Depends: python3-all, @,
- python3-coverage,
- python3-flake8,
- python3-pep8-naming,
- python3-pytest,
- python3-pytest-doctestplus,
- python3-pytest-mock,
- python3-pytest-cov,
diff -pruN 0.21-3/debian/tests/control.disabled 0.21-3ubuntu1/debian/tests/control.disabled
--- 0.21-3/debian/tests/control.disabled	1970-01-01 00:00:00.000000000 +0000
+++ 0.21-3ubuntu1/debian/tests/control.disabled	2025-12-11 06:24:42.000000000 +0000
@@ -0,0 +1,15 @@
+Test-Command: set -e
+ ; for py in $(py3versions -r 2>/dev/null)
+ ; do pushd "tests"
+ ; echo "Testing with $py:"
+ ; $py -m pytest -k 'not test_pipe_pipe_invalid_data_mocked'
+ ; popd
+ ; done
+Depends: python3-all, @,
+ python3-coverage,
+ python3-flake8,
+ python3-pep8-naming,
+ python3-pytest,
+ python3-pytest-doctestplus,
+ python3-pytest-mock,
+ python3-pytest-cov,