diff --git a/data/custom-installation/patch/10_lupin b/data/custom-installation/patch/10_lupin
index 1419129..fb20ba7 100755
--- a/data/custom-installation/patch/10_lupin
+++ b/data/custom-installation/patch/10_lupin
@@ -166,6 +166,57 @@ EOF
 EOF
 }
 
+lupin_version_test_numeric ()
+{
+  lupin_version_test_numeric_a="$1"
+  lupin_version_test_numeric_cmp="$2"
+  lupin_version_test_numeric_b="$3"
+  if [ "$lupin_version_test_numeric_a" = "$lupin_version_test_numeric_b" ] ; then
+    case "$lupin_version_test_numeric_cmp" in
+      ge|eq|le) return 0 ;;
+      gt|lt) return 1 ;;
+    esac
+  fi
+  if [ "$lupin_version_test_numeric_cmp" = "lt" ] ; then
+    lupin_version_test_numeric_c="$lupin_version_test_numeric_a"
+    lupin_version_test_numeric_a="$lupin_version_test_numeric_b"
+    lupin_version_test_numeric_b="$lupin_version_test_numeric_c"
+  fi
+  if (echo "$lupin_version_test_numeric_a" ; echo "$lupin_version_test_numeric_b") | version_sort | head -n 1 | grep -qx "$lupin_version_test_numeric_b" ; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+lupin_version_test_gt ()
+{
+  lupin_version_test_gt_a="`echo "$1" | sed -e "s/[^-]*-//"`"
+  lupin_version_test_gt_b="`echo "$2" | sed -e "s/[^-]*-//"`"
+  lupin_version_test_gt_cmp=gt
+  if [ "x$lupin_version_test_gt_b" = "x" ] ; then
+    return 0
+  fi
+  case "$lupin_version_test_gt_a:$lupin_version_test_gt_b" in
+    *.old:*.old) ;;
+    *.old:*) lupin_version_test_gt_a="`echo "$lupin_version_test_gt_a" | sed -e 's/\.old$//'`" ; lupin_version_test_gt_cmp=gt ;;
+    *:*.old) lupin_version_test_gt_b="`echo "$lupin_version_test_gt_b" | sed -e 's/\.old$//'`" ; lupin_version_test_gt_cmp=ge ;;
+  esac
+  lupin_version_test_numeric "$lupin_version_test_gt_a" "$lupin_version_test_gt_cmp" "$lupin_version_test_gt_b"
+  return "$?"
+}
+
+lupin_version_find_latest ()
+{
+  lupin_version_find_latest_a=""
+  for i in "$@" ; do
+    if lupin_version_test_gt "$i" "$lupin_version_find_latest_a" ; then
+      lupin_version_find_latest_a="$i"
+    fi
+  done
+  echo "$lupin_version_find_latest_a"
+}
+
 machine=`uname -m`
 case "x$machine" in
     xi?86 | xx86_64)
@@ -237,7 +288,7 @@ submenu_indentation=""
 
 is_first_entry=true
 while [ "x$list" != "x" ] ; do
-  linux=`version_find_latest $list`
+  linux=`lupin_version_find_latest $list`
   gettext_printf "Found linux image: %s\n" "$linux" >&2
   basename=`basename $linux`
   dirname=`dirname $linux`
diff --git a/data/isolist.ini b/data/isolist.ini
index 0cc37cf..61f9384 100644
--- a/data/isolist.ini
+++ b/data/isolist.ini
@@ -21,7 +21,7 @@ max_iso_size=3700000000
 arch=i386
 name=Ubuntu
 packages=ubuntu-desktop
-metalink=http://releases.ubuntu.com/22.04.2/ubuntu-22.04.2-desktop-i386.list
+metalink=http://releases.ubuntu.com/22.04.4/ubuntu-22.04.4-desktop-i386.list
 metalink2=https://cdimage.ubuntu.com/jammy/daily-live/current/jammy-desktop-i386.list
 website=http://www.ubuntu.com
 ordering=1
@@ -31,7 +31,7 @@ max_iso_size=3700000000
 arch=amd64
 name=Ubuntu
 packages=ubuntu-desktop
-metalink=https://releases.ubuntu.com/22.04.2/ubuntu-22.04.2-desktop-amd64.list
+metalink=https://releases.ubuntu.com/22.04.4/ubuntu-22.04.4-desktop-amd64.list
 metalink2=https://cdimage.ubuntu.com/jammy/daily-live/current/jammy-desktop-amd64.list
 website=http://www.ubuntu.com
 ordering=1
@@ -41,7 +41,7 @@ max_iso_size=3700000000
 arch=i386
 name=Kubuntu
 packages=kubuntu-desktop
-metalink=http://cdimage.ubuntu.com/kubuntu/releases/22.04.2/release/kubuntu-22.04.2-desktop-i386.list
+metalink=http://cdimage.ubuntu.com/kubuntu/releases/22.04.4/release/kubuntu-22.04.4-desktop-i386.list
 metalink2=https://cdimage.ubuntu.com/kubuntu/jammy/daily-live/current/jammy-desktop-i386.list
 website=http://www.kubuntu.org
 ordering=3
@@ -51,7 +51,7 @@ max_iso_size=3700000000
 arch=amd64
 name=Kubuntu
 packages=kubuntu-desktop
-metalink=http://cdimage.ubuntu.com/kubuntu/releases/22.04.2/release/kubuntu-22.04.2-desktop-amd64.list
+metalink=http://cdimage.ubuntu.com/kubuntu/releases/22.04.4/release/kubuntu-22.04.4-desktop-amd64.list
 metalink2=https://cdimage.ubuntu.com/kubuntu/jammy/daily-live/current/jammy-desktop-amd64.list
 website=http://www.kubuntu.org
 ordering=3
@@ -61,7 +61,7 @@ max_iso_size=2700000000
 arch=i386
 name=Xubuntu
 packages=xubuntu-desktop
-metalink=http://cdimage.ubuntu.com/xubuntu/releases/22.04.2/release/xubuntu-22.04.2-desktop-i386.list
+metalink=http://cdimage.ubuntu.com/xubuntu/releases/22.04.4/release/xubuntu-22.04.4-desktop-i386.list
 metalink2=http://cdimage.ubuntu.com/xubuntu/jammy/daily-live/current/jammy-desktop-i386.list
 website=http://www.xubuntu.org
 ordering=4
@@ -71,7 +71,7 @@ max_iso_size=2700000000
 arch=amd64
 name=Xubuntu
 packages=xubuntu-desktop
-metalink=http://cdimage.ubuntu.com/xubuntu/releases/22.04.2/release/xubuntu-22.04.2-desktop-amd64.list
+metalink=http://cdimage.ubuntu.com/xubuntu/releases/22.04.4/release/xubuntu-22.04.4-desktop-amd64.list
 metalink2=http://cdimage.ubuntu.com/xubuntu/jammy/daily-live/current/jammy-desktop-amd64.list
 website=http://www.xubuntu.org
 ordering=4
@@ -81,7 +81,7 @@ max_iso_size=2900000000
 arch=i386
 name=Ubuntu Budgie
 packages=budgie-desktop
-metalink=http://cdimage.ubuntu.com/ubuntu-budgie/releases/22.04.2/release/ubuntu-budgie-22.04.2-desktop-i386.list
+metalink=http://cdimage.ubuntu.com/ubuntu-budgie/releases/22.04.4/release/ubuntu-budgie-22.04.4-desktop-i386.list
 metalink2=http://cdimage.ubuntu.com/ubuntu-budgie/jammy/daily-live/current/jammy-desktop-i386.list
 website=http://ubuntubudgie.org
 ordering=5
@@ -91,7 +91,7 @@ max_iso_size=2900000000
 arch=amd64
 name=Ubuntu Budgie
 packages=budgie-desktop
-metalink=http://cdimage.ubuntu.com/ubuntu-budgie/releases/22.04.2/release/ubuntu-budgie-22.04.2-desktop-amd64.list
+metalink=http://cdimage.ubuntu.com/ubuntu-budgie/releases/22.04.4/release/ubuntu-budgie-22.04.4-desktop-amd64.list
 metalink2=http://cdimage.ubuntu.com/ubuntu-budgie/jammy/daily-live/current/jammy-desktop-amd64.list
 website=http://ubuntubudgie.org
 ordering=5
@@ -101,7 +101,7 @@ max_iso_size=2600000000
 arch=i386
 name=Lubuntu
 packages=lubuntu-desktop
-metalink=http://cdimage.ubuntu.com/lubuntu/releases/22.04.2/release/lubuntu-22.04.2-desktop-i386.list
+metalink=http://cdimage.ubuntu.com/lubuntu/releases/22.04.4/release/lubuntu-22.04.4-desktop-i386.list
 metalink2=http://cdimage.ubuntu.com/lubuntu/jammy/daily-live/current/jammy-desktop-i386.list
 website=http://lubuntu.net
 ordering=7
@@ -111,7 +111,7 @@ max_iso_size=2600000000
 arch=amd64
 name=Lubuntu
 packages=lubuntu-desktop
-metalink=http://cdimage.ubuntu.com/lubuntu/releases/22.04.2/release/lubuntu-22.04.2-desktop-amd64.list
+metalink=http://cdimage.ubuntu.com/lubuntu/releases/22.04.4/release/lubuntu-22.04.4-desktop-amd64.list
 metalink2=http://cdimage.ubuntu.com/lubuntu/jammy/daily-live/current/jammy-desktop-amd64.list
 website=http://lubuntu.net
 ordering=7
@@ -121,7 +121,7 @@ max_iso_size=4500000000
 arch=i386
 name=Ubuntu Studio
 packages=ubuntustudio-desktop
-metalink=http://cdimage.ubuntu.com/ubuntustudio/releases/22.04.2/release/ubuntustudio-22.04.2-dvd-i386.list
+metalink=http://cdimage.ubuntu.com/ubuntustudio/releases/22.04.4/release/ubuntustudio-22.04.4-dvd-i386.list
 metalink2=https://cdimage.ubuntu.com/ubuntustudio/jammy/dvd/current/jammy-dvd-i386.list
 website=http://ubuntustudio.org
 ordering=8
@@ -131,7 +131,7 @@ max_iso_size=4500000000
 arch=amd64
 name=Ubuntu Studio
 packages=ubuntustudio-desktop
-metalink=http://cdimage.ubuntu.com/ubuntustudio/releases/22.04.2/release/ubuntustudio-22.04.2-dvd-amd64.list
+metalink=http://cdimage.ubuntu.com/ubuntustudio/releases/22.04.4/release/ubuntustudio-22.04.4-dvd-amd64.list
 metalink2=https://cdimage.ubuntu.com/ubuntustudio/jammy/dvd/current/jammy-dvd-amd64.list
 website=http://ubuntustudio.org
 ordering=8
@@ -141,7 +141,7 @@ max_iso_size=2900000000
 arch=i386
 name=Ubuntu MATE
 packages=ubuntu-mate-desktop
-metalink=http://cdimage.ubuntu.com/ubuntu-mate/releases/22.04.2/release/ubuntu-mate-22.04.2-desktop-i386.list
+metalink=http://cdimage.ubuntu.com/ubuntu-mate/releases/22.04.4/release/ubuntu-mate-22.04.4-desktop-i386.list
 metalink2=http://cdimage.ubuntu.com/ubuntu-mate/jammy/daily-live/current/jammy-desktop-i386.list
 website=http://ubuntu-mate.org/
 ordering=9
@@ -151,7 +151,7 @@ max_iso_size=2900000000
 arch=amd64
 name=Ubuntu MATE
 packages=ubuntu-mate-desktop
-metalink=http://cdimage.ubuntu.com/ubuntu-mate/releases/22.04.2/release/ubuntu-mate-22.04.2-desktop-amd64.list
+metalink=http://cdimage.ubuntu.com/ubuntu-mate/releases/22.04.4/release/ubuntu-mate-22.04.4-desktop-amd64.list
 metalink2=http://cdimage.ubuntu.com/ubuntu-mate/jammy/daily-live/current/jammy-desktop-amd64.list
 website=http://ubuntu-mate.org
 ordering=9
@@ -161,7 +161,7 @@ max_iso_size=5000000000
 arch=i386
 name=Ubuntu Kylin
 packages=ubuntukylin-desktop
-metalink=http://cdimage.ubuntu.com/ubuntukylin/releases/22.04.2/release/ubuntukylin-22.04.2-desktop-i386.list
+metalink=http://cdimage.ubuntu.com/ubuntukylin/releases/22.04.4/release/ubuntukylin-22.04.4-desktop-i386.list
 metalink2=http://cdimage.ubuntu.com/ubuntukylin/jammy/daily-live/current/jammy-desktop-i386.list
 website=http://www.ubuntukylin.com
 ordering=A
@@ -171,7 +171,7 @@ max_iso_size=5000000000
 arch=amd64
 name=Ubuntu Kylin
 packages=ubuntukylin-desktop
-metalink=http://cdimage.ubuntu.com/ubuntukylin/releases/22.04.2/release/ubuntukylin-22.04.2-desktop-amd64.list
+metalink=http://cdimage.ubuntu.com/ubuntukylin/releases/22.04.4/release/ubuntukylin-22.04.4-desktop-amd64.list
 metalink2=http://cdimage.ubuntu.com/ubuntukylin/jammy/daily-live/current/jammy-desktop-amd64.list
 website=http://www.ubuntukylin.com
 ordering=A
@@ -181,7 +181,7 @@ version=
 arch=i386
 name=Wubi
 packages=
-metalink=22.04.2-desktop-i386.list
+metalink=22.04.4-desktop-i386.list
 metalink2=jammy-desktop-i386.list
 website=https://github.com/hakuna-m/wubiuefi
 support=https://github.com/hakuna-m/wubiuefi/wiki
@@ -192,7 +192,7 @@ version=
 arch=amd64
 name=Wubi
 packages=
-metalink=22.04.2-desktop-amd64.list
+metalink=22.04.4-desktop-amd64.list
 metalink2=jammy-desktop-amd64.list
 website=https://github.com/hakuna-m/wubiuefi
 support=https://github.com/hakuna-m/wubiuefi/wiki
@@ -204,7 +204,7 @@ arch=i386
 name=Wubi lz
 packages=
 initrd=casper/initrd.lz
-metalink=22.04.2-desktop-i386.list
+metalink=22.04.4-desktop-i386.list
 metalink2=jammy-desktop-i386.list
 website=https://github.com/hakuna-m/wubiuefi
 support=https://github.com/hakuna-m/wubiuefi/wiki
@@ -216,7 +216,7 @@ arch=amd64
 name=Wubi lz
 packages=
 initrd=casper/initrd.lz
-metalink=22.04.2-desktop-amd64.list
+metalink=22.04.4-desktop-amd64.list
 metalink2=jammy-desktop-amd64.list
 website=https://github.com/hakuna-m/wubiuefi
 support=https://github.com/hakuna-m/wubiuefi/wiki
@@ -229,7 +229,7 @@ name=Wubi EFI
 packages=
 kernel=casper/vmlinuz.efi
 initrd=casper/initrd.lz
-metalink=22.04.2-desktop-i386.list
+metalink=22.04.4-desktop-i386.list
 metalink2=jammy-desktop-i386.list
 website=https://github.com/hakuna-m/wubiuefi
 support=https://github.com/hakuna-m/wubiuefi/wiki
@@ -242,7 +242,7 @@ name=Wubi EFI
 packages=
 kernel=casper/vmlinuz.efi
 initrd=casper/initrd.lz
-metalink=22.04.2-desktop-amd64.list
+metalink=22.04.4-desktop-amd64.list
 metalink2=jammy-desktop-amd64.list
 website=https://github.com/hakuna-m/wubiuefi
 support=https://github.com/hakuna-m/wubiuefi/wiki
@@ -255,7 +255,7 @@ name=Wubi MD5
 packages=
 initrd=casper/initrd.lz
 md5sums=MD5SUMS
-metalink=22.04.2-desktop-i386.list
+metalink=22.04.4-desktop-i386.list
 metalink2=jammy-desktop-i386.list
 website=https://github.com/hakuna-m/wubiuefi
 support=https://github.com/hakuna-m/wubiuefi/wiki
@@ -268,7 +268,7 @@ name=Wubi MD5
 packages=
 initrd=casper/initrd.lz
 md5sums=MD5SUMS
-metalink=22.04.2-desktop-amd64.list
+metalink=22.04.4-desktop-amd64.list
 metalink2=jammy-desktop-amd64.list
 website=https://github.com/hakuna-m/wubiuefi
 support=https://github.com/hakuna-m/wubiuefi/wiki
@@ -280,7 +280,7 @@ arch=i386
 name=Wubi gz
 packages=
 initrd=casper/initrd.gz
-metalink=22.04.2-desktop-i386.list
+metalink=22.04.4-desktop-i386.list
 metalink2=jammy-desktop-i386.list
 website=https://github.com/hakuna-m/wubiuefi
 support=https://github.com/hakuna-m/wubiuefi/wiki
@@ -292,7 +292,7 @@ arch=amd64
 name=Wubi gz
 packages=
 initrd=casper/initrd.gz
-metalink=22.04.2-desktop-amd64.list
+metalink=22.04.4-desktop-amd64.list
 metalink2=jammy-desktop-amd64.list
 website=https://github.com/hakuna-m/wubiuefi
 support=https://github.com/hakuna-m/wubiuefi/wiki
@@ -305,7 +305,7 @@ name=Wubi SHA256
 packages=
 initrd=casper/initrd.lz
 md5sums=SHA256SUMS
-metalink=22.04.2-desktop-i386.list
+metalink=22.04.4-desktop-i386.list
 metalink2=jammy-desktop-i386.list
 website=https://github.com/hakuna-m/wubiuefi
 support=https://github.com/hakuna-m/wubiuefi/wiki
@@ -318,7 +318,7 @@ name=Wubi SHA256
 packages=
 initrd=casper/initrd.lz
 md5sums=SHA256SUMS
-metalink=22.04.2-desktop-amd64.list
+metalink=22.04.4-desktop-amd64.list
 metalink2=jammy-desktop-amd64.list
 website=https://github.com/hakuna-m/wubiuefi
 support=https://github.com/hakuna-m/wubiuefi/wiki
@@ -330,7 +330,7 @@ arch=i386
 name=Wubi lz4
 packages=
 initrd=casper/initrd.lz4
-metalink=22.04.2-desktop-i386.list
+metalink=22.04.4-desktop-i386.list
 metalink2=jammy-desktop-i386.list
 website=https://github.com/hakuna-m/wubiuefi
 support=https://github.com/hakuna-m/wubiuefi/wiki
@@ -342,7 +342,7 @@ arch=amd64
 name=Wubi lz4
 packages=
 initrd=casper/initrd.lz4
-metalink=22.04.2-desktop-amd64.list
+metalink=22.04.4-desktop-amd64.list
 metalink2=jammy-desktop-amd64.list
 website=https://github.com/hakuna-m/wubiuefi
 support=https://github.com/hakuna-m/wubiuefi/wiki
diff --git a/data/wubildr.cfg b/data/wubildr.cfg
index 69cd747..bf99f30 100644
--- a/data/wubildr.cfg
+++ b/data/wubildr.cfg
@@ -1,8 +1,8 @@
 set show_panic_message=true
 
 if search -s -f -n /ubuntu/disks/root.disk; then
-    if loopback loop0 /ubuntu/disks/root.disk; then
-        set root=(loop0)
+    if loopback loopw0 /ubuntu/disks/root.disk; then
+        set root=(loopw0)
         if [ -e /boot/grub/grub.cfg ]; then
             set prefix=($root)'/boot/grub'
             if configfile /boot/grub/grub.cfg; then
diff --git a/debian/changelog b/debian/changelog
index 1444141..8c2eec3 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,15 @@
+wubi (22.04.5r346) jammy; urgency=low
+
+  [Hakuna Matata]
+
+  * Bump to 22.04.4
+    https://github.com/hakuna-m/wubiuefi/issues/348
+  * Change device name loop0 to loopw0 in wubildr.cfg to suppress "already exists" errors
+    https://github.com/hakuna-m/wubiuefi/issues/345
+  * Add version_find_latest in 10_lupin to support newer GRUB versions
+    https://github.com/hakuna-m/wubiuefi/issues/342
+    https://github.com/hakuna-m/wubiuefi/issues/341
+
 wubi (22.04.2r345) jammy; urgency=low
 
   [Hakuna Matata]