diff --git a/bin/omarchy-upgrade-to-quattro b/bin/omarchy-upgrade-to-quattro
index f3cdd346..ec96c6ba 100755
--- a/bin/omarchy-upgrade-to-quattro
+++ b/bin/omarchy-upgrade-to-quattro
@@ -589,6 +589,30 @@ install_omarchy_quattro_packages() {
   mark_packages_explicit "${audio_packages[@]}"
 }
 
+install_hardware_transition_packages() {
+  local hardware_packages=()
+
+  if lspci | grep -qiE '(Multimedia audio controller|Audio device).*Intel'; then
+    hardware_packages+=(sof-firmware)
+  fi
+
+  if lspci | grep -iE '(VGA|Display).*Intel' >/dev/null; then
+    hardware_packages+=(vulkan-intel)
+  fi
+  if lspci | grep -iE '(VGA|Display).*AMD' >/dev/null; then
+    hardware_packages+=(vulkan-radeon)
+  fi
+  if lspci | grep -iE '(VGA|Display).*Apple' >/dev/null; then
+    hardware_packages+=(vulkan-asahi)
+  fi
+
+  if (( ${#hardware_packages[@]} > 0 )); then
+    log "Installing hardware support needed by the Omarchy quattro layout"
+    as_root pacman -S --needed --noconfirm "${hardware_packages[@]}"
+    mark_packages_explicit "${hardware_packages[@]}"
+  fi
+}
+
 remove_retired_default_packages() {
   local retired_packages=(
     asdcontrol-git
@@ -2226,6 +2250,16 @@ rm -f "$state_dir/finalize-user.done"
 USER_SETUP
 }
 
+apply_user_hardware_transition() {
+  if grep -qi "DX13260" /sys/class/dmi/id/product_name 2>/dev/null ||
+    grep -qi "DX13260" /sys/class/dmi/id/product_family 2>/dev/null; then
+    log "Adjusting text scaling for Dell XPS 13 DX13260"
+    if ! run_as_user_session gsettings set org.gnome.desktop.interface text-scaling-factor 0.95; then
+      warn "Could not adjust text scaling for Dell XPS 13 DX13260; continuing."
+    fi
+  fi
+}
+
 write_legacy_theme_hyprland_conf() {
   run_as_user env HOME="$target_home" bash <<'THEME_COMPAT'
 set -euo pipefail
@@ -2339,6 +2373,7 @@ remove_legacy_installer_package
 remove_legacy_limine_configs
 remove_conflicting_legacy_packages
 install_omarchy_quattro_packages
+install_hardware_transition_packages
 normalize_limine_config
 configure_snapper_policy
 configure_lock_authentication
@@ -2347,6 +2382,7 @@ cleanup_legacy_user_paths
 apply_system_transition
 suppress_hyprland_config_reload
 apply_user_transition
+apply_user_hardware_transition
 run_as_user env \
   HOME="$target_home" \
   USER="$target_user" \
diff --git a/migrations/1784401744.sh b/migrations/1784401744.sh
new file mode 100644
index 00000000..423c1ecf
--- /dev/null
+++ b/migrations/1784401744.sh
@@ -0,0 +1,35 @@
+echo "Backfill hardware support and tmux settings added before Omarchy quattro"
+
+tmux_config="$HOME/.config/tmux/tmux.conf"
+if [[ -f $tmux_config ]]; then
+  sed -i 's/^set -g terminal-features\[3\] "xterm-kitty:extkeys"$/set -ag terminal-features "xterm-kitty:extkeys"/' "$tmux_config"
+
+  if ! grep -q 'M-S-Enter' "$tmux_config"; then
+    sed -i '/^# Pane Controls$/a\bind -n M-Enter split-window -v -c "#{pane_current_path}"\nbind -n M-S-Enter split-window -h -c "#{pane_current_path}"\nbind -n M-Escape kill-pane\n' "$tmux_config"
+  fi
+
+  omarchy-restart-tmux
+fi
+
+hardware_packages=()
+if lspci | grep -qiE '(Multimedia audio controller|Audio device).*Intel' && omarchy-pkg-missing sof-firmware; then
+  hardware_packages+=(sof-firmware)
+fi
+if lspci | grep -iE '(VGA|Display).*Intel' >/dev/null && omarchy-pkg-missing vulkan-intel; then
+  hardware_packages+=(vulkan-intel)
+fi
+if lspci | grep -iE '(VGA|Display).*AMD' >/dev/null && omarchy-pkg-missing vulkan-radeon; then
+  hardware_packages+=(vulkan-radeon)
+fi
+if lspci | grep -iE '(VGA|Display).*Apple' >/dev/null && omarchy-pkg-missing vulkan-asahi; then
+  hardware_packages+=(vulkan-asahi)
+fi
+
+if (( ${#hardware_packages[@]} > 0 )); then
+  omarchy-pkg-add "${hardware_packages[@]}"
+  omarchy-state set reboot-required
+fi
+
+if omarchy-hw-match "DX13260"; then
+  gsettings set org.gnome.desktop.interface text-scaling-factor 0.95
+fi
diff --git a/test/shell.d/upgrade-to-quattro-test.sh b/test/shell.d/upgrade-to-quattro-test.sh
index 0682a1f0..a68bb094 100644
--- a/test/shell.d/upgrade-to-quattro-test.sh
+++ b/test/shell.d/upgrade-to-quattro-test.sh
@@ -55,3 +55,10 @@ pass "Omarchy 4 upgrade retires systemd-networkd for NetworkManager"
 
 grep -F 'omarchy-bar defaults' "$upgrade_to_quattro" >/dev/null
 pass "Omarchy 4 upgrade restores service-aware bar defaults"
+
+grep -F 'install_hardware_transition_packages' "$upgrade_to_quattro" >/dev/null
+grep -F 'sof-firmware' "$upgrade_to_quattro" >/dev/null
+grep -F 'vulkan-intel' "$upgrade_to_quattro" >/dev/null
+grep -F 'apply_user_hardware_transition' "$upgrade_to_quattro" >/dev/null
+grep -F 'DX13260' "$upgrade_to_quattro" >/dev/null
+pass "Omarchy 4 upgrade backfills hardware support from the legacy release"