diff -pruN 0.9.0-2/debian/changelog 0.9.0-2ubuntu1/debian/changelog
--- 0.9.0-2/debian/changelog	2022-02-18 16:51:09.000000000 +0000
+++ 0.9.0-2ubuntu1/debian/changelog	2022-03-18 12:36:33.000000000 +0000
@@ -1,3 +1,13 @@
+thin-provisioning-tools (0.9.0-2ubuntu1) jammy; urgency=medium
+
+  * Merge with Debian unstable (LP: #1946908). Remaining changes:
+    - Disable lto for now, testsuite failures.
+  * Dropped changes:
+    - d/control, d/rules: force gcc-10 to avoid a gcc-11 FTBFS for now
+      (LP #1950028)
+
+ -- Athos Ribeiro <athos.ribeiro@canonical.com>  Fri, 18 Mar 2022 09:36:33 -0300
+
 thin-provisioning-tools (0.9.0-2) unstable; urgency=medium
 
   * Don't require root for building.
@@ -5,6 +15,25 @@ thin-provisioning-tools (0.9.0-2) unstab
 
  -- Bastian Blank <waldi@debian.org>  Fri, 18 Feb 2022 17:51:09 +0100
 
+thin-provisioning-tools (0.9.0-1ubuntu3) jammy; urgency=medium
+
+  * d/control, d/rules: force gcc-10 to avoid a gcc-11 FTBFS
+    for now (LP: #1950028)
+
+ -- Christian Ehrhardt <christian.ehrhardt@canonical.com>  Thu, 16 Dec 2021 11:30:28 +0100
+
+thin-provisioning-tools (0.9.0-1ubuntu2) impish; urgency=medium
+
+  * No-change rebuild to build packages with zstd compression.
+
+ -- Matthias Klose <doko@ubuntu.com>  Thu, 07 Oct 2021 12:25:37 +0200
+
+thin-provisioning-tools (0.9.0-1ubuntu1) hirsute; urgency=medium
+
+  * Disable lto for now, testsuite failures.
+
+ -- Matthias Klose <doko@ubuntu.com>  Mon, 29 Mar 2021 12:01:24 +0200
+
 thin-provisioning-tools (0.9.0-1) unstable; urgency=medium
 
   * New upstream release.
diff -pruN 0.9.0-2/debian/control 0.9.0-2ubuntu1/debian/control
--- 0.9.0-2/debian/control	2022-02-18 16:51:09.000000000 +0000
+++ 0.9.0-2ubuntu1/debian/control	2022-03-18 12:36:33.000000000 +0000
@@ -1,7 +1,8 @@
 Source: thin-provisioning-tools
 Section: admin
 Priority: optional
-Maintainer: Debian LVM Team <team+lvm@tracker.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian LVM Team <team+lvm@tracker.debian.org>
 Uploaders: Bastian Blank <waldi@debian.org>
 Build-Depends:
  debhelper-compat (= 12),
diff -pruN 0.9.0-2/debian/.gitignore 0.9.0-2ubuntu1/debian/.gitignore
--- 0.9.0-2/debian/.gitignore	2022-02-18 16:51:09.000000000 +0000
+++ 0.9.0-2ubuntu1/debian/.gitignore	1970-01-01 00:00:00.000000000 +0000
@@ -1,6 +0,0 @@
-autoreconf.*
-*.debhelper*
-*.substvars
-files
-/unit-tests/*.so
-thin-provisioning-tools
diff -pruN 0.9.0-2/debian/rules 0.9.0-2ubuntu1/debian/rules
--- 0.9.0-2/debian/rules	2022-02-18 16:51:09.000000000 +0000
+++ 0.9.0-2ubuntu1/debian/rules	2022-03-18 12:36:33.000000000 +0000
@@ -4,6 +4,8 @@
 # Uncomment this to turn on verbose mode.
 #export DH_VERBOSE=1
 
+export DEB_BUILD_MAINT_OPTIONS = optimize=-lto
+
 include /usr/share/dpkg/default.mk
 
 %: