diff -pruN 5.15.0+dfsg2-17/debian/.gitignore 5.15.0+dfsg2-17ubuntu3/debian/.gitignore
--- 5.15.0+dfsg2-17/debian/.gitignore	2025-09-21 20:23:15.000000000 +0000
+++ 5.15.0+dfsg2-17ubuntu3/debian/.gitignore	1970-01-01 00:00:00.000000000 +0000
@@ -1,38 +0,0 @@
-# Debian build specific leftovers
-/.debhelper/
-/debhelper-build-stamp
-/files
-/*.debhelper.log
-/*.debhelper
-/*.substvars
-/*.substvars
-/libcsirocsa0/
-/libcsironn0/
-/libplplot-data/
-/libplplot-dev/
-/plplot-examples/
-/libplplot-java/
-/libplplot-lua/
-/libplplot-ocaml-dev/
-/libplplot-ocaml/
-/libplplot17/
-/libplplotada5-dev/
-/libplplotada4.1/
-/libplplotcxx15/
-/libplplotfortran0/
-/libplplotqt2/
-/libplplotwxwidgets1/
-/libqsastime-dev/
-/libqsastime0/
-/octave-plplot/
-/plplot-doc/
-/plplot-driver-cairo/
-/plplot-driver-qt/
-/plplot-driver-wxwidgets/
-/plplot-driver-xwin/
-/plplot-tcl-bin/
-/plplot-tcl-dev/
-/plplot-tcl/
-/plplotada.gpr
-/python3-plplot-qt/
-/python3-plplot/
diff -pruN 5.15.0+dfsg2-17/debian/changelog 5.15.0+dfsg2-17ubuntu3/debian/changelog
--- 5.15.0+dfsg2-17/debian/changelog	2025-09-21 20:23:15.000000000 +0000
+++ 5.15.0+dfsg2-17ubuntu3/debian/changelog	2025-09-24 08:24:21.000000000 +0000
@@ -1,3 +1,23 @@
+plplot (5.15.0+dfsg2-17ubuntu3) questing; urgency=medium
+
+  * Rebuild against new gnat14 missed during migration due to slow
+    publisher.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Wed, 24 Sep 2025 10:24:21 +0200
+
+plplot (5.15.0+dfsg2-17ubuntu2) questing; urgency=medium
+
+  * Revert -O2 on amd64, looks like new gcc works now, package back in sync
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Tue, 23 Sep 2025 13:56:08 +0200
+
+plplot (5.15.0+dfsg2-17ubuntu1) questing; urgency=low
+
+  * Merge from Debian unstable. Remaining changes:
+    - Also build with -O2 on amd64, avoiding test failures.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Tue, 23 Sep 2025 12:11:20 +0200
+
 plplot (5.15.0+dfsg2-17) unstable; urgency=medium
 
   * d/gbp.conf: New file
@@ -13,6 +33,13 @@ plplot (5.15.0+dfsg2-17) unstable; urgen
 
  -- Rafael Laboissière <rafael@debian.org>  Sun, 21 Sep 2025 17:23:15 -0300
 
+plplot (5.15.0+dfsg2-16ubuntu1) questing; urgency=low
+
+  * Merge from Debian unstable. Remaining changes:
+    - Also build with -O2 on amd64, avoiding test failures.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Fri, 19 Sep 2025 14:09:01 +0200
+
 plplot (5.15.0+dfsg2-16) unstable; urgency=medium
 
   [ Rafael Laboissière ]
@@ -32,6 +59,25 @@ plplot (5.15.0+dfsg2-16) unstable; urgen
 
  -- Rafael Laboissière <rafael@debian.org>  Thu, 18 Sep 2025 14:43:15 -0300
 
+plplot (5.15.0+dfsg2-15ubuntu3) questing; urgency=medium
+
+  * Rebuild against new OCAML ABIs.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Wed, 02 Jul 2025 06:18:26 +0200
+
+plplot (5.15.0+dfsg2-15ubuntu2) questing; urgency=medium
+
+  * Rebuild against new OCAML ABIs.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Mon, 16 Jun 2025 15:06:50 +0200
+
+plplot (5.15.0+dfsg2-15ubuntu1) plucky; urgency=low
+
+  * Merge from Debian unstable. Remaining changes:
+    - Also build with -O2 on amd64, avoiding test failures.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Mon, 24 Mar 2025 08:13:30 +0100
+
 plplot (5.15.0+dfsg2-15) unstable; urgency=medium
 
   * Upload to unstable
@@ -49,6 +95,19 @@ plplot (5.15.0+dfsg2-14) experimental; u
 
  -- Rafael Laboissière <rafael@debian.org>  Thu, 27 Feb 2025 09:00:29 -0300
 
+plplot (5.15.0+dfsg2-13ubuntu2) plucky; urgency=medium
+
+  * Rebuild against new OCAML ABIs.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Mon, 10 Mar 2025 07:31:48 +0100
+
+plplot (5.15.0+dfsg2-13ubuntu1) plucky; urgency=medium
+
+  * Merge with Debian; remaining changes:
+    - Also build with -O2 on amd64, avoiding test failures.
+
+ -- Matthias Klose <doko@ubuntu.com>  Mon, 10 Feb 2025 13:26:59 +0100
+
 plplot (5.15.0+dfsg2-13) unstable; urgency=medium
 
   * d/control: Update Homepage URL (Closes: #1094724)
@@ -75,6 +134,61 @@ plplot (5.15.0+dfsg2-12) unstable; urgen
 
  -- Rafael Laboissière <rafael@debian.org>  Sat, 11 Jan 2025 04:58:56 -0300
 
+plplot (5.15.0+dfsg2-11ubuntu2) plucky; urgency=medium
+
+  * Fix build with Python 3.13 and Swig 4.3, patches taken from Fedora.
+  * Also build with -O2 on amd64, avoiding test failures.
+
+ -- Matthias Klose <doko@ubuntu.com>  Thu, 09 Jan 2025 17:12:05 +0100
+
+plplot (5.15.0+dfsg2-11build8) plucky; urgency=medium
+
+  * No-change rebuild for Python 3.13 as the default.
+
+ -- Matthias Klose <doko@ubuntu.com>  Fri, 03 Jan 2025 14:44:30 +0100
+
+plplot (5.15.0+dfsg2-11build7) plucky; urgency=medium
+
+  * No-change rebuild for OCaml ABI changes.
+
+ -- Matthias Klose <doko@ubuntu.com>  Tue, 19 Nov 2024 09:48:26 +0100
+
+plplot (5.15.0+dfsg2-11build6) oracular; urgency=medium
+
+  * Rebuild against new OCAML ABIs.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Wed, 21 Aug 2024 10:01:44 +0200
+
+plplot (5.15.0+dfsg2-11build5) oracular; urgency=medium
+
+  * Rebuild against new OCAML ABIs.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Fri, 09 Aug 2024 14:19:51 +0200
+
+plplot (5.15.0+dfsg2-11build4) oracular; urgency=medium
+
+  * Rebuild against new gcc-13.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Tue, 02 Jul 2024 17:55:08 +0200
+
+plplot (5.15.0+dfsg2-11build3) oracular; urgency=medium
+
+  * Rebuild against new octave-abi-59 and no newer gcc-13.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Tue, 02 Jul 2024 09:23:49 +0200
+
+plplot (5.15.0+dfsg2-11build2) oracular; urgency=medium
+
+  * Rebuild against new octave-abi-59 and no newer gcc-13.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Mon, 01 Jul 2024 18:16:54 +0200
+
+plplot (5.15.0+dfsg2-11build1) oracular; urgency=medium
+
+  * No-change rebuild against octave-abi-59
+
+ -- Graham Inggs <ginggs@ubuntu.com>  Tue, 14 May 2024 09:55:44 +0000
+
 plplot (5.15.0+dfsg2-11) unstable; urgency=medium
 
   * d/control: Make libplplotada-dev depend on libplplot-dev, instead
