diff --git a/migrations/1787672400.sh b/migrations/1787672400.sh
index c34e5ff..236b336 100755
--- a/migrations/1787672400.sh
+++ b/migrations/1787672400.sh
@@ -30,12 +30,20 @@ if grep -qE '^\s*enabled\s*=\s*1' "$repo_file"; then
 fi
 
 PANAMA_PATH="${PANAMA_PATH:-$HOME/.local/share/Panama}"
+# panama-sudo is pkexec, and pkexec with nobody to answer it does not fail --
+# it waits forever. That hung an unattended ./install at this very migration.
+# So the stated-reason prompt is reserved for a terminal someone is sitting at;
+# a non-interactive run takes plain sudo, which is either already authorized
+# (a warm timestamp, NOPASSWD) or fails fast enough to be retried at the next
+# login, exactly as panama-migrate promises.
 sudo_cmd=(sudo)
-[[ -x "$PANAMA_PATH/bin/panama-sudo" ]] && sudo_cmd=(
-    "$PANAMA_PATH/bin/panama-sudo" --reason
-    "Removing the unused solopasha/hyprland repository, which conflicts with the one Panama installs from"
-    --
-)
+if [[ -t 0 && -x "$PANAMA_PATH/bin/panama-sudo" ]]; then
+    sudo_cmd=(
+        "$PANAMA_PATH/bin/panama-sudo" --reason
+        "Removing the unused solopasha/hyprland repository, which conflicts with the one Panama installs from"
+        --
+    )
+fi
 
 "${sudo_cmd[@]}" rm -f "$repo_file"
 echo "Removed the disabled solopasha/hyprland COPR; Hyprland comes from lionheartp/Hyprland."
diff --git a/setup/packages/desktop-packages b/setup/packages/desktop-packages
index ed6c059..59611b8 100644
--- a/setup/packages/desktop-packages
+++ b/setup/packages/desktop-packages
@@ -29,13 +29,15 @@ gnome-control-center
 # grubby, which replaces an argument it already set rather than appending a
 # second copy -- the reason that stage needs no editor.
 grubby
-gstreamer1-plugin-fmp4
+# fmp4 and mp4 are deliberately absent: Fedora 44 no longer packages either
+# (dnf5 refuses the whole transaction over one missing name, so a dead entry
+# here costs the entire desktop). Machines installed on older Fedora still
+# carry them as orphans, which is why this list looked fine from one.
 gstreamer1-plugin-gif
 gstreamer1-plugin-gtk4
 gstreamer1-plugin-hsv
 gstreamer1-plugin-json
 gstreamer1-plugin-libav
-gstreamer1-plugin-mp4
 gstreamer1-plugin-openh264
 gstreamer1-plugins-bad-free-devel
 gstreamer1-plugins-good