diff -pruN 6.9.2-3/debian/changelog 6.9.2-3ubuntu1/debian/changelog
--- 6.9.2-3/debian/changelog	2025-10-30 20:37:02.000000000 +0000
+++ 6.9.2-3ubuntu1/debian/changelog	2025-11-27 07:55:11.000000000 +0000
@@ -1,3 +1,10 @@
+qt6-tools (6.9.2-3ubuntu1) resolute; urgency=medium
+
+  * Switch to clang/llvm 20 build deps. Should help reduce ISO sizes
+    by not pulling in multiple versions.
+
+ -- Rik Mills <rikmills@kde.org>  Thu, 27 Nov 2025 07:55:11 +0000
+
 qt6-tools (6.9.2-3) unstable; urgency=medium
 
   [ Patrick Franz ]
diff -pruN 6.9.2-3/debian/control 6.9.2-3ubuntu1/debian/control
--- 6.9.2-3/debian/control	2025-10-30 20:36:40.000000000 +0000
+++ 6.9.2-3ubuntu1/debian/control	2025-11-27 07:55:11.000000000 +0000
@@ -1,13 +1,14 @@
 Source: qt6-tools
 Section: libs
 Priority: optional
-Maintainer: Debian Qt/KDE Maintainers <debian-qt-kde@lists.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian Qt/KDE Maintainers <debian-qt-kde@lists.debian.org>
 Uploaders: Patrick Franz <deltaone@debian.org>,
 Build-Depends: debhelper-compat (= 13),
                dh-sequence-pkgkde-symbolshelper,
-               clang-19 [amd64 arm64 armel armhf hurd-amd64 hurd-i386 i386 loong64 mips64el powerpc ppc64 ppc64el riscv64 s390x sparc64 x32],
+               clang-20 [amd64 arm64 armel armhf hurd-amd64 hurd-i386 i386 loong64 mips64el powerpc ppc64 ppc64el riscv64 s390x sparc64 x32],
                cmake (>= 3.24~),
-               libclang-19-dev [amd64 arm64 armel armhf hurd-amd64 hurd-i386 i386 loong64 mips64el powerpc ppc64 ppc64el riscv64 s390x sparc64 x32],
+               libclang-20-dev [amd64 arm64 armel armhf hurd-amd64 hurd-i386 i386 loong64 mips64el powerpc ppc64 ppc64el riscv64 s390x sparc64 x32],
 #               liblitehtml-dev (>= 0.6~),
                libcups2-dev,
                libcurl4-openssl-dev | libcurl4-dev,
@@ -17,8 +18,8 @@ Build-Depends: debhelper-compat (= 13),
                libvulkan-dev [linux-any],
                libxcb-xkb-dev,
                libzstd-dev (>= 1.3),
-               llvm-19 [amd64 arm64 armel armhf hurd-amd64 hurd-i386 i386 loong64 mips64el powerpc ppc64 ppc64el riscv64 s390x sparc64 x32],
-               llvm-19-dev [amd64 arm64 armel armhf hurd-amd64 hurd-i386 i386 loong64 mips64el powerpc ppc64 ppc64el riscv64 s390x sparc64 x32],
+               llvm-20 [amd64 arm64 armel armhf hurd-amd64 hurd-i386 i386 loong64 mips64el powerpc ppc64 ppc64el riscv64 s390x sparc64 x32],
+               llvm-20-dev [amd64 arm64 armel armhf hurd-amd64 hurd-i386 i386 loong64 mips64el powerpc ppc64 ppc64el riscv64 s390x sparc64 x32],
                ninja-build,
                pkg-kde-tools,
                pkgconf,