diff --git a/bin/omarchy-upgrade-to-4 b/bin/omarchy-upgrade-to-4
index 9044db86..aa028c3a 100755
--- a/bin/omarchy-upgrade-to-4
+++ b/bin/omarchy-upgrade-to-4
@@ -1,15 +1,15 @@
 #!/bin/bash
 
 # omarchy:summary=Upgrade a legacy Omarchy install to the package-backed Omarchy 4 layout.
-# omarchy:args=[--yes] [--reboot] [--channel stable|rc|edge] [--user USER]
-# omarchy:examples=omarchy upgrade to 4
+# omarchy:args=[--yes] [--reboot] [--dev] [--channel stable|rc|edge] [--user USER]
+# omarchy:examples=omarchy upgrade to 4 | omarchy upgrade to 4 --dev
 # omarchy:requires-sudo=true
 
 set -euo pipefail
 
 usage() {
   cat <<'USAGE'
-Usage: omarchy-upgrade-to-4 [--yes] [--reboot] [--channel stable|rc|edge] [--user USER]
+Usage: omarchy-upgrade-to-4 [--yes] [--reboot] [--dev] [--channel stable|rc|edge] [--user USER]
 
 Upgrade any pre-4 Omarchy install to the package-backed Omarchy 4 layout.
 This script is intentionally self-contained so it can be shipped as a command
@@ -18,6 +18,7 @@ in Omarchy 3.8.x or run directly with curl | bash on older systems.
 Options:
   -y, --yes                 Do not prompt before upgrading
   --reboot                  Reboot automatically after a successful upgrade
+  --dev                     Use stop-gap packages from the [omarchy-dev] repo
   --channel stable|rc|edge  Override detected Omarchy package channel
   --user USER               User account to refresh after package install
   -h, --help                Show this help
@@ -54,6 +55,7 @@ channel_override="${OMARCHY_UPGRADE_CHANNEL:-${OMARCHY_CHANNEL:-${OMARCHY_MIRROR
 target_user="${OMARCHY_INSTALL_USER:-}"
 yes=0
 auto_reboot=0
+use_dev_packages=${OMARCHY_UPGRADE_DEV:-0}
 
 while (($#)); do
   case "$1" in
@@ -65,6 +67,10 @@ while (($#)); do
       auto_reboot=1
       shift
       ;;
+    --dev)
+      use_dev_packages=1
+      shift
+      ;;
     --channel)
       channel_override="${2:-}"
       shift 2
@@ -83,6 +89,12 @@ while (($#)); do
   esac
 done
 
+case "$use_dev_packages" in
+  1|true|yes|on) use_dev_packages=1 ;;
+  0|false|no|off|"") use_dev_packages=0 ;;
+  *) fail "Invalid OMARCHY_UPGRADE_DEV value '$use_dev_packages'. Use 1/0, true/false, or pass --dev." ;;
+esac
+
 if ! command -v pacman >/dev/null 2>&1; then
   fail "This upgrade is only supported on Arch/Omarchy systems with pacman."
 fi
@@ -313,9 +325,12 @@ case "$channel" in
 esac
 
 if (( ! yes )); then
+  package_mode="production Omarchy packages"
+  (( use_dev_packages )) && package_mode="stop-gap packages from [omarchy-dev]"
+
   cat <<EOF
 
-This will upgrade Omarchy for user '$target_user' to Omarchy 4 using the '$channel' channel.
+This will upgrade Omarchy for user '$target_user' to Omarchy 4 using the '$channel' channel and $package_mode.
 
 It will install the package-backed Omarchy 4 stack, overwrite files previously
 written by the legacy installer, remove retired default packages, and apply the
@@ -372,27 +387,28 @@ configure_pacman_channel() {
 
   as_root cp -f /etc/pacman.conf "/etc/pacman.conf.omarchy-upgrade-to-4.$backup_suffix.bak"
 
-  # TEMPORARY: also inject [omarchy-dev] above [omarchy] so dev-built
-  # packages from share.heyoodle.com (see omarchy-pkgs/bin/publish-dev-repo)
-  # take precedence while the omarchy-4 stack is being iterated on. Revert
-  # this block once the production edge/stable/rc channels have caught up.
+  # Drop any stale [omarchy-dev] block every time. Re-add it only for the
+  # stop-gap dev package mode so normal upgrades resolve the real tagged
+  # packages from [omarchy] once they exist.
   local dev_server='https://share.heyoodle.com/omarchy/dev/$arch'
+  local tmp
 
   tmp=$(mktemp)
-  awk -v server="$package_server" -v dev_server="$dev_server" '
-    BEGIN { in_omarchy = 0; in_dev = 0; wrote = 0 }
+  awk -v server="$package_server" -v dev_server="$dev_server" -v use_dev="$use_dev_packages" '
+    BEGIN { in_omarchy = 0; in_dev = 0; wrote = 0; use_dev += 0 }
     /^\[omarchy-dev\]$/ {
-      # Drop any existing [omarchy-dev] block; we re-emit it next to [omarchy].
       in_dev = 1
       in_omarchy = 0
       next
     }
     /^\[omarchy\]$/ {
       if (!wrote) {
-        print "[omarchy-dev]"
-        print "SigLevel = Never"
-        print "Server = " dev_server
-        print ""
+        if (use_dev) {
+          print "[omarchy-dev]"
+          print "SigLevel = Never"
+          print "Server = " dev_server
+          print ""
+        }
         print "[omarchy]"
         print "SigLevel = Optional TrustAll"
         print "Server = " server
@@ -407,10 +423,12 @@ configure_pacman_channel() {
     END {
       if (!wrote) {
         print ""
-        print "[omarchy-dev]"
-        print "SigLevel = Never"
-        print "Server = " dev_server
-        print ""
+        if (use_dev) {
+          print "[omarchy-dev]"
+          print "SigLevel = Never"
+          print "Server = " dev_server
+          print ""
+        }
         print "[omarchy]"
         print "SigLevel = Optional TrustAll"
         print "Server = " server
@@ -535,16 +553,23 @@ migrate_1password_beta_package() {
 }
 
 install_omarchy_4_packages() {
-  # omarchy-limine and omarchy-dev-tools are no longer separate packages:
-  # omarchy-limine's content (bootloader + snapper configs) folded into
-  # omarchy-settings, and bin/omarchy-dev-* now ships with omarchy itself.
-  # The bootloader stack (limine, snapper, etc.) is hard-depended by
-  # the omarchy package, so it'll be pulled in automatically.
+  # Until Omarchy 4 is tagged and published for real, --dev installs the
+  # stop-gap package names from [omarchy-dev]. They provide/conflict the real
+  # names so testers can later move to omarchy/omarchy-settings cleanly.
+  local omarchy_package=omarchy
+  local settings_package=omarchy-settings
+  if (( use_dev_packages )); then
+    omarchy_package=omarchy-dev
+    settings_package=omarchy-settings-dev
+  fi
+
+  # The bootloader stack (limine, snapper, etc.) is hard-depended by the
+  # Omarchy package, so it'll be pulled in automatically.
   local core_packages=(
     omarchy-keyring
-    omarchy-settings
+    "$settings_package"
     omarchy-nvim
-    omarchy
+    "$omarchy_package"
     # checkupdates support for update tooling
     fakeroot
     pacman-contrib
@@ -552,6 +577,7 @@ install_omarchy_4_packages() {
   local base_packages=()
 
   log "Installing Omarchy 4 packages"
+  (( use_dev_packages )) && log "Using stop-gap packages from [omarchy-dev]"
   # --noconfirm answers "no" to conflict-removal prompts. --ask 4 preselects
   # removing the conflicting package, which is required for legacy packages like
   # ttf-jetbrains-mono-nerd -> ttf-jetbrains-mono-nerd-basic.