diff -Nru mathgl-2.5/debian/changelog mathgl-2.5/debian/changelog
--- mathgl-2.5/debian/changelog	2021-12-24 16:17:49.000000000 +0000
+++ mathgl-2.5/debian/changelog	2022-01-11 03:25:12.000000000 +0000
@@ -1,3 +1,10 @@
+mathgl (2.5-2+rpi1) bookworm-staging; urgency=medium
+
+  [changes brought forward from 2.4.2.1-5+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Thu, 20 Dec 2018 02:34:35 +0000]
+  * Don't use qtwebengine on armhf, we don't have it in raspbian.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Tue, 11 Jan 2022 03:25:12 +0000
+
 mathgl (2.5-2) unstable; urgency=medium
 
   * Team upload
diff -Nru mathgl-2.5/debian/control mathgl-2.5/debian/control
--- mathgl-2.5/debian/control	2021-12-24 16:17:49.000000000 +0000
+++ mathgl-2.5/debian/control	2022-01-11 03:25:12.000000000 +0000
@@ -36,7 +36,7 @@
  mpi-default-dev,
  python3-dev,
  python3-numpy,
- qtwebengine5-dev [amd64 arm64 armhf i386 mipsel],
+ qtwebengine5-dev [amd64 arm64 i386 mipsel],
  swig,
  texinfo,
  texlive,