diff --git a/debian/changelog b/debian/changelog
index 121ef914745be53267472512ee2ad6306525927c..78cc7609e4cfcc4c70528d359a948bd887047b1a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,22 @@
+gtk4 (4.8.3+ds-2+deb12u1+apertis1) apertis; urgency=medium
+
+  * Sync updates from debian/bookworm/updates
+  * Remaining Apertis specific changes:
+    - Disable cloudproviders and ffmpeg build dependencies
+
+ -- Apertis CI <devel@lists.apertis.org>  Tue, 24 Oct 2023 09:55:22 +0000
+
+gtk4 (4.8.3+ds-2+deb12u1) bookworm; urgency=medium
+
+  * d/p/placessidebar-Make-all-rows-ellipsize.patch:
+    Add patch from upstream gtk-4-8 branch to fix truncation in places
+    sidebar with large text accessibility setting (Closes: #1043261)
+  * d/patches: Mark patch for #1029972 as also applied for 4.8.4
+  * d/watch: Only watch for versions 4.8.x for bookworm
+  * d/gbp.conf, d/control.in: Switch packaging branch to debian/bookworm
+
+ -- Simon McVittie <smcv@debian.org>  Sat, 09 Sep 2023 20:32:02 +0100
+
 gtk4 (4.8.3+ds-2+apertis4) apertis; urgency=medium
 
   * d/rules: Disable cloudproviders for downstreams as well
diff --git a/debian/control b/debian/control
index 45f5be287b4b1b4eb689bde99985ce1823250a48..232ad14273d53b0ab2a9517151993ff9f920340b 100644
--- a/debian/control
+++ b/debian/control
@@ -79,7 +79,7 @@ Build-Depends-Indep: gi-docgen <!nodoc>,
 Rules-Requires-Root: no
 Standards-Version: 4.6.2
 Vcs-Browser: https://salsa.debian.org/gnome-team/gtk4
-Vcs-Git: https://salsa.debian.org/gnome-team/gtk4.git
+Vcs-Git: https://salsa.debian.org/gnome-team/gtk4.git -b debian/bookworm
 Homepage: https://www.gtk.org/
 
 Package: libgtk-4-1
diff --git a/debian/control.in b/debian/control.in
index 2daa8fa895f87d7864bfd9172973b71eee7f511b..4dedcc7175bf6a69c22e992d43ec20e40e1af454 100644
--- a/debian/control.in
+++ b/debian/control.in
@@ -79,7 +79,7 @@ Build-Depends-Indep: gi-docgen <!nodoc>,
 Rules-Requires-Root: no
 Standards-Version: 4.6.2
 Vcs-Browser: https://salsa.debian.org/gnome-team/gtk4
-Vcs-Git: https://salsa.debian.org/gnome-team/gtk4.git
+Vcs-Git: https://salsa.debian.org/gnome-team/gtk4.git -b debian/bookworm
 Homepage: https://www.gtk.org/
 
 Package: @SHARED_PKG@
diff --git a/debian/gbp.conf b/debian/gbp.conf
index d932f9fd27634904e7c0922c2aceb82aaa828bce..99571d0cae04706f15eb20826beec9cc4affe62f 100644
--- a/debian/gbp.conf
+++ b/debian/gbp.conf
@@ -1,6 +1,6 @@
 [DEFAULT]
 pristine-tar = True
-debian-branch = debian/master
+debian-branch = debian/bookworm
 upstream-branch = upstream/4.8.x
 upstream-vcs-tag = %(version)s
 
diff --git a/debian/patches/gdk-x11-Reset-all-scroll-valuators-on-enter.patch b/debian/patches/gdk-x11-Reset-all-scroll-valuators-on-enter.patch
index 948652bf933eeb0f79d400a97bc93e77e6fddf39..60ea7576ddfc4319b526a675baa33d072a69f600 100644
--- a/debian/patches/gdk-x11-Reset-all-scroll-valuators-on-enter.patch
+++ b/debian/patches/gdk-x11-Reset-all-scroll-valuators-on-enter.patch
@@ -6,12 +6,15 @@ We no longer need to make much distinction between multiple logical
 devices, plus it breaks esp. with the Xwayland input device distribution.
 Just iterate across all devices and reset their scroll valuators.
 
+(cherry picked from commit 824e983372d939693f7eba5c394e647a9035a0f8)
+
 Origin: https://gitlab.gnome.org/GNOME/gtk/-/merge_requests/5479
 Bug: https://gitlab.gnome.org/GNOME/gtk/-/issues/4160
 Bug: https://gitlab.gnome.org/GNOME/gtk/-/issues/5202
 Bug-Debian: https://bugs.debian.org/1029972
 Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/gtk4/+bug/1993594
 Applied-upstream: 4.9.3, commit:824e983372d939693f7eba5c394e647a9035a0f8
+Applied-upstream: 4.8.4, commit:37843ec941f611a6c9e05732442c86e99016d5f0
 ---
  gdk/x11/gdkdevicemanager-xi2.c | 15 +++------------
  1 file changed, 3 insertions(+), 12 deletions(-)
diff --git a/debian/patches/placessidebar-Make-all-rows-ellipsize.patch b/debian/patches/placessidebar-Make-all-rows-ellipsize.patch
new file mode 100644
index 0000000000000000000000000000000000000000..6c2dae3770ad4a36827c4a23d345dee7f0b8eb29
--- /dev/null
+++ b/debian/patches/placessidebar-Make-all-rows-ellipsize.patch
@@ -0,0 +1,46 @@
+From: Matthias Clasen <mclasen@redhat.com>
+Date: Fri, 3 Feb 2023 10:00:03 +0100
+Subject: placessidebar: Make all rows ellipsize
+
+Otherwise, we end up with a single long row
+pushing the content of all the other rows
+off to the left, which is much worse than
+ellipsizing.
+
+Bug: https://gitlab.gnome.org/GNOME/gtk/-/issues/4710
+Bug-Debian: https://bugs.debian.org/1043261
+Applied-upstream: 4.9.3, commit:463f12a3bb42c60e2b86093f443d9d14541c9852
+Applied-upstream: 4.8.4, commit:c4ddf47d8f0625e23c5677a412bcc6ba585fa5a8
+---
+ gtk/gtksidebarrow.c     | 5 -----
+ gtk/ui/gtksidebarrow.ui | 1 +
+ 2 files changed, 1 insertion(+), 5 deletions(-)
+
+diff --git a/gtk/gtksidebarrow.c b/gtk/gtksidebarrow.c
+index f2adfde..11ccf43 100644
+--- a/gtk/gtksidebarrow.c
++++ b/gtk/gtksidebarrow.c
+@@ -278,11 +278,6 @@ gtk_sidebar_row_set_property (GObject      *object,
+ 
+     case PROP_SECTION_TYPE:
+       self->section_type = g_value_get_enum (value);
+-      if (self->section_type == GTK_PLACES_SECTION_COMPUTER ||
+-          self->section_type == GTK_PLACES_SECTION_OTHER_LOCATIONS)
+-        gtk_label_set_ellipsize (GTK_LABEL (self->label_widget), PANGO_ELLIPSIZE_NONE);
+-      else
+-        gtk_label_set_ellipsize (GTK_LABEL (self->label_widget), PANGO_ELLIPSIZE_END);
+       break;
+ 
+     case PROP_PLACE_TYPE:
+diff --git a/gtk/ui/gtksidebarrow.ui b/gtk/ui/gtksidebarrow.ui
+index 046a1af..3521704 100644
+--- a/gtk/ui/gtksidebarrow.ui
++++ b/gtk/ui/gtksidebarrow.ui
+@@ -25,6 +25,7 @@
+               <object class="GtkLabel" id="label_widget">
+                 <property name="hexpand">1</property>
+                 <property name="xalign">0</property>
++                <property name="ellipsize">end</property>
+                 <style>
+                   <class name="sidebar-label"/>
+                 </style>
diff --git a/debian/patches/series b/debian/patches/series
index f029df3c7ebd4210a78cbe9dfc07c267e1d9aa85..0792588e2bb24e95a3cf50f60d7190523d690ad4 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -6,10 +6,11 @@ gdk-surface-Handle-clicks-outside-client-surfaces.patch
 fontchooser-Drop-a-few-errant-translations.patch
 gtkcssanimatedstyle-Fix-return-of-new_advance.patch
 Update-Turkish-translation-2.patch
+gdk-x11-Reset-all-scroll-valuators-on-enter.patch
+placessidebar-Make-all-rows-ellipsize.patch
 testsuite-Use-separate-setups-for-unstable-tests-instead-.patch
 testsuite-Don-t-create-.test-files-for-flaky-or-failing-t.patch
 node-editor-Save-test-data-relative-to-current-working-di.patch
-gdk-x11-Reset-all-scroll-valuators-on-enter.patch
 debian/reftest_compare_surfaces-Report-how-much-the-images-diffe.patch
 debian/reftests-Allow-minor-differences-to-be-tolerated.patch
 debian/Disable-inscription-markup.ui-reftest.patch
diff --git a/debian/watch b/debian/watch
index 60faf13323e70d726548629483bc68f0877d88b3..2b14bbbbaf3548dd43a0ee25cc203d6e75de58e0 100644
--- a/debian/watch
+++ b/debian/watch
@@ -1,4 +1,4 @@
 version=4
 opts="repack,dversionmangle=s/[~+](?:dfsg|ds)[0-9]*//g,repacksuffix=+ds" \
-https://download.gnome.org/sources/gtk/(\d[\d\.]+[02468])/ \
+https://download.gnome.org/sources/gtk/4.8/ \
 	gtk-@ANY_VERSION@\.tar\.xz