diff -pruN 0.17.2.0+~0+20200826-1/debian/changelog 0.17.2.0+~0+20200826-1ubuntu6/debian/changelog
--- 0.17.2.0+~0+20200826-1/debian/changelog	2021-05-11 17:27:41.000000000 +0000
+++ 0.17.2.0+~0+20200826-1ubuntu6/debian/changelog	2023-02-05 14:51:58.000000000 +0000
@@ -1,3 +1,40 @@
+monero (0.17.2.0+~0+20200826-1ubuntu6) lunar; urgency=medium
+
+  * Rebuild against latest icu
+
+ -- Jeremy Bicha <jbicha@ubuntu.com>  Sun, 05 Feb 2023 09:51:58 -0500
+
+monero (0.17.2.0+~0+20200826-1ubuntu5) kinetic; urgency=medium
+
+  * No-change rebuild against latest icu
+
+ -- Jeremy Bicha <jbicha@ubuntu.com>  Sat, 30 Apr 2022 11:53:54 -0400
+
+monero (0.17.2.0+~0+20200826-1ubuntu4) jammy; urgency=medium
+
+  * No-change rebuild against libboost-regex1.74.0-icu70.
+
+ -- Matthias Klose <doko@ubuntu.com>  Thu, 10 Feb 2022 16:01:13 +0100
+
+monero (0.17.2.0+~0+20200826-1ubuntu3) jammy; urgency=medium
+
+  * No-change rebuild against libssl3
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Wed, 08 Dec 2021 23:39:41 +0000
+
+monero (0.17.2.0+~0+20200826-1ubuntu2) impish; urgency=medium
+
+  * Build with -O1 on riscv64 to avoid link error (LP: #1940505)
+  * Limit parallelism only on certain architectures
+
+ -- Graham Inggs <ginggs@ubuntu.com>  Mon, 20 Sep 2021 16:11:23 +0000
+
+monero (0.17.2.0+~0+20200826-1ubuntu1) impish; urgency=medium
+
+  * d/rules: build with --no-parallel to avoid OOM FTBFS
+
+ -- Lukas Märdian <slyon@ubuntu.com>  Tue, 10 Aug 2021 13:00:17 +0200
+
 monero (0.17.2.0+~0+20200826-1) unstable; urgency=medium
 
   [ upstream ]
diff -pruN 0.17.2.0+~0+20200826-1/debian/control 0.17.2.0+~0+20200826-1ubuntu6/debian/control
--- 0.17.2.0+~0+20200826-1/debian/control	2021-05-11 17:23:31.000000000 +0000
+++ 0.17.2.0+~0+20200826-1ubuntu6/debian/control	2021-08-10 10:59:20.000000000 +0000
@@ -1,7 +1,8 @@
 Source: monero
 Section: utils
 Priority: optional
-Maintainer: Debian Cryptocoin Team <team+cryptocoin@tracker.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian Cryptocoin Team <team+cryptocoin@tracker.debian.org>
 Uploaders:
  Jonas Smedegaard <dr@jones.dk>,
 Build-Depends:
diff -pruN 0.17.2.0+~0+20200826-1/debian/rules 0.17.2.0+~0+20200826-1ubuntu6/debian/rules
--- 0.17.2.0+~0+20200826-1/debian/rules	2021-01-09 18:50:01.000000000 +0000
+++ 0.17.2.0+~0+20200826-1ubuntu6/debian/rules	2021-09-20 16:11:23.000000000 +0000
@@ -22,6 +22,21 @@ endif
 
 DH_OPTIONS = -O--buildsystem=cmake
 
+# limit parallelism on certain architectures to prevent OOM failure
+ifneq (,$(filter $(DEB_HOST_ARCH),amd64 arm64 s390x))
+DH_OPTIONS += -O--max-parallel=2
+else
+ifneq (,$(filter $(DEB_HOST_ARCH),ppc64el))
+DH_OPTIONS += -O--max-parallel=1
+endif
+endif
+
+# build with -O1 on riscv64 to avoid link error
+# relocation truncated to fit: R_RISCV_JAL against `mdb_assert_fail.constprop.0'
+ifneq (,$(filter $(DEB_HOST_ARCH), riscv64))
+export DEB_CXXFLAGS_MAINT_APPEND = -O1
+endif
+
 # detect if build targets experimental suite (or is a draft)
 DEB_SUITE_EXP = $(filter experimental% UNRELEASED,$(DEB_DISTRIBUTION))