diff --git a/.SRCINFO b/.SRCINFO
index 16ba4c6066de4..0b73a2f6a6fc8 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,7 +1,7 @@
 pkgbase = thorium-browser-bin
 	pkgdesc = Chromium fork focused on high performance and security
 	pkgver = 120.0.6099.235
-	pkgrel = 1
+	pkgrel = 2
 	url = https://github.com/Alex313031/Thorium
 	install = thorium-browser.install
 	arch = x86_64
@@ -10,13 +10,11 @@ pkgbase = thorium-browser-bin
 	optdepends = kdialog: for file dialogs in KDE
 	optdepends = kwallet5: for storing passwords in KWallet
 	optdepends = pipewire: WebRTC desktop sharing under Wayland
-	noextract = thorium-browser_120.0.6099.235_amd64.deb
+	noextract = thorium-browser_120.0.6099.235_SSE3.deb
 	options = !emptydirs
 	options = !strip
-	source = https://github.com/Alex313031/Thorium/releases/download/M120.0.6099.235/thorium-browser_120.0.6099.235_amd64.deb
-	source = thorium-browser.sh
+	source = https://github.com/Alex313031/Thorium/releases/download/M120.0.6099.235/thorium-browser_120.0.6099.235_SSE3.deb
 	sha256sums = SKIP
-	sha256sums = 8c6cd4c85389d9642afce9549c750d7b27ab9e2f4032a05fa03d02799cd8ac9b
 
 pkgname = thorium-browser-bin
 	depends = alsa-lib
diff --git a/PKGBUILD b/PKGBUILD
index 6c791e26f7432..e3db8b1b16e1a 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,4 +1,4 @@
-# Maintainer: xiota / aur.chaotic.cx
+# Maintainer:
 # Contributor: JPratama7 <josepratama080@gmail.com>
 # Contributor: Dominik Adrian Grzywak <starterx4 at gmail dot com>
 
@@ -13,7 +13,7 @@ fi
 _pkgname="thorium-browser"
 pkgname="$_pkgname-bin"
 pkgver=120.0.6099.235
-pkgrel=1
+pkgrel=2
 pkgdesc="Chromium fork focused on high performance and security"
 url="https://github.com/Alex313031/Thorium"
 license=('BSD')
@@ -36,24 +36,56 @@ _main_package() {
   install="$_pkgname.install"
 
   _dl_url="https://github.com/Alex313031/Thorium/releases/download/M${_pkgver:?}"
-  _dl_filename="${_pkgname}_${_pkgver:?}_amd64.deb"
+  _dl_filename="${_pkgname}_${_pkgver:?}_SSE3.deb"
   noextract+=("$_dl_filename")
 
-  source=(
-    "$_dl_url/$_dl_filename"
-    "$_pkgname.sh"
-  )
-  sha256sums=(
-    'SKIP'
-    '8c6cd4c85389d9642afce9549c750d7b27ab9e2f4032a05fa03d02799cd8ac9b'
-  )
+  source=("$_dl_url/$_dl_filename")
+  sha256sums=('SKIP')
 
   pkgver() {
-    printf '%s' "${_pkgver:?}"
+    echo "${_pkgver:?}"
   }
 }
 
 # common functions
+prepare() {
+  install -Dvm644 /dev/stdin "$_pkgname.sh" <<END
+#!/usr/bin/env bash
+
+# check microprocessor architecture level
+if /usr/lib/ld-linux-x86-64.so.2 --help | grep -qsE '^\s+x86-64-v3.*supported.*\$' ; then
+  _message=''
+  _message+=\$'The fastest browser on Earth.'
+elif grep -qE '\bpni\b' /proc/cpuinfo ; then
+  _message=''
+  _message+=\$'Your processor does not support x86-64-v3 instructions.\n'
+  _message+=\$'You may want to use thorium-browser-sse3-bin.'
+else
+  _message=''
+  _message+=\$'Your processor does not support SSE3 instructions.\n'
+  _message+=\$'thorium-browser may not work on your computer.'
+fi
+
+# Allow users to override command-line options
+XDG_CONFIG_HOME=\${XDG_CONFIG_HOME:-~/.config}
+_FLAGS_FILE="\$XDG_CONFIG_HOME/thorium-flags.conf"
+
+if [[ -f "\$_FLAGS_FILE" ]]; then
+  _USER_FLAGS="\$(cat "\$_FLAGS_FILE")"
+fi
+
+# display processor support message
+if tty -s ; then
+  echo "\$_message"
+else
+  [ ! -e "\$XDG_CONFIG_HOME/thorium" ] && notify-send -a "thorium-browser" -t 7500 "\$_message"
+fi
+
+# Launch
+exec /opt/thorium-browser/thorium-browser \$_USER_FLAGS "\$@"
+END
+}
+
 package() {
   provides=("$_pkgname")
   conflicts=("$_pkgname")
@@ -86,46 +118,46 @@ package() {
 
   echo "  -> Extracting the archive..."
   bsdtar -xf "$_dl_filename" data.tar.xz
-  bsdtar -xf data.tar.xz -C "${pkgdir:?}/"
+  bsdtar -xf data.tar.xz -C "$pkgdir/"
   rm data.tar.xz
 
   echo "  -> Moving files in place..."
-  mv "${pkgdir:?}/opt/chromium.org/thorium" "${pkgdir:?}/opt/$_pkgname"
-  unlink "${pkgdir:?}/usr/bin/thorium-browser"
-  unlink "${pkgdir:?}/usr/bin/pak"
+  mv "$pkgdir/opt/chromium.org/thorium" "$pkgdir/opt/$_pkgname"
+  unlink "$pkgdir/usr/bin/thorium-browser"
+  unlink "$pkgdir/usr/bin/pak"
 
   # thorium-browser
-  install -Dm755 "$_pkgname.sh" "${pkgdir:?}/usr/bin/$_pkgname"
-  chmod 4755 "${pkgdir:?}/opt/$_pkgname/chrome-sandbox"
+  install -Dm755 "$_pkgname.sh" "$pkgdir/usr/bin/$_pkgname"
+  chmod 4755 "$pkgdir/opt/$_pkgname/chrome-sandbox"
 
   # thorium-shell
   sed -E \
     -e "s@/opt/chromium.org/thorium/@/opt/$_pkgname/@" \
-    -i "${pkgdir:?}/usr/bin/thorium-shell"
+    -i "$pkgdir/usr/bin/thorium-shell"
 
   # thorium-browser.xml
   sed -E \
     -e "s@/opt/chromium.org/thorium/@/opt/$_pkgname/@" \
-    -i "${pkgdir:?}/usr/share/gnome-control-center/default-apps/thorium-browser.xml"
+    -i "$pkgdir/usr/share/gnome-control-center/default-apps/thorium-browser.xml"
 
   # Icons
   for i in 16 24 32 48 64 128 256; do
-    install -Dm644 "${pkgdir:?}/opt/$_pkgname/product_logo_${i}.png" \
-      "${pkgdir:?}/usr/share/icons/hicolor/${i}x${i}/apps/$_pkgname.png"
+    install -Dm644 "$pkgdir/opt/$_pkgname/product_logo_${i}.png" \
+      "$pkgdir/usr/share/icons/hicolor/${i}x${i}/apps/$_pkgname.png"
   done
 
-  install -Dm644 "${pkgdir:?}/opt/$_pkgname/thorium_shell.png" \
-    "${pkgdir:?}/usr/share/icons/hicolor/256x256/apps/thorium-shell.png"
+  install -Dm644 "$pkgdir/opt/$_pkgname/thorium_shell.png" \
+    "$pkgdir/usr/share/icons/hicolor/256x256/apps/thorium-shell.png"
 
   # clean-up
   echo "  -> Removing Debian Cron job, duplicate product logos and menu directory..."
   rm -r -- \
-  "${pkgdir:?}/opt/chromium.org" \
-    "${pkgdir:?}/etc/cron.daily/" \
-    "${pkgdir:?}/usr/share/doc/" \
-    "${pkgdir:?}/opt/$_pkgname/cron/" \
-    "${pkgdir:?}/opt/$_pkgname"/product_logo_*.{png,xpm} \
-    "${pkgdir:?}/usr/share/menu/"
+  "$pkgdir/opt/chromium.org" \
+    "$pkgdir/etc/cron.daily/" \
+    "$pkgdir/usr/share/doc/" \
+    "$pkgdir/opt/$_pkgname/cron/" \
+    "$pkgdir/opt/$_pkgname"/product_logo_*.{png,xpm} \
+    "$pkgdir/usr/share/menu/"
 }
 
 # update version
diff --git a/PKGBUILD.avx b/PKGBUILD.avx
new file mode 100644
index 0000000000000..9240a082262e9
--- /dev/null
+++ b/PKGBUILD.avx
@@ -0,0 +1,223 @@
+# Maintainer:
+
+# options
+if [ -n "$_srcinfo" ] || [ -n "$_pkgver" ] ; then
+  : ${_autoupdate:=false}
+else
+  : ${_autoupdate:=true}
+fi
+
+# basic info
+_pkgname="thorium-browser-avx"
+pkgname="$_pkgname-bin"
+pkgver=120.0.6099.235
+pkgrel=1
+pkgdesc="Chromium fork focused on high performance and security"
+url="https://github.com/Alex313031/Thorium"
+license=('BSD')
+arch=('x86_64')
+
+# main package
+_main_package() {
+  _update_version
+
+  depends=()
+  makedepends=()
+  optdepends=(
+    'gnome-keyring: for storing passwords in GNOME keyring'
+    'kdialog: for file dialogs in KDE'
+    'kwallet5: for storing passwords in KWallet'
+    'pipewire: WebRTC desktop sharing under Wayland'
+  )
+
+  options=('!emptydirs' '!strip' '!debug')
+
+  _dl_url="$url/releases/download/M${_pkgver:?}"
+  _dl_filename="${_pkgname%-avx}_${_pkgver:?}_amd64.deb"
+  noextract+=("$_dl_filename")
+
+  source=("$_dl_url/$_dl_filename")
+  sha256sums=('SKIP')
+
+  pkgver() {
+    echo "${_pkgver:?}"
+  }
+}
+
+# common functions
+prepare() {
+  install -Dvm644 /dev/stdin "$_pkgname.sh" <<END
+#!/usr/bin/env bash
+
+# check microprocessor architecture level
+if grep -qE '\bavx\b' /proc/cpuinfo ; then
+  _message=''
+  _message+=\$'The fastest browser on Earth.'
+else
+  _message=''
+  _message+=\$'Your processor does not support AVX instructions.\n'
+  _message+=\$'thorium-browser may not work on your computer.'
+fi
+
+# Allow users to override command-line options
+XDG_CONFIG_HOME=\${XDG_CONFIG_HOME:-~/.config}
+_FLAGS_FILE="\$XDG_CONFIG_HOME/thorium-flags.conf"
+
+if [[ -f "\$_FLAGS_FILE" ]]; then
+  _USER_FLAGS="\$(cat "\$_FLAGS_FILE")"
+fi
+
+# display processor support message
+if tty -s ; then
+  echo "\$_message"
+else
+  [ ! -e "\$XDG_CONFIG_HOME/thorium" ] && notify-send -a "thorium-browser" -t 7500 "\$_message"
+fi
+
+# Launch
+exec /opt/$_pkgname/thorium-browser \$_USER_FLAGS "\$@"
+END
+}
+
+package() {
+  provides=("$_pkgname")
+  conflicts=("$_pkgname")
+
+  depends+=(
+    'alsa-lib'
+    'at-spi2-core'
+    'cairo'
+    'dbus'
+    'libcups'
+    'libnotify' # notify-send
+    'libxcomposite'
+    'libxkbcommon'
+    'libxrandr'
+    'mesa'
+    'nspr'
+    'nss'
+    'pango'
+
+    ## implicit
+    #expat
+    #glib2
+    #libdrm
+    #libx11
+    #libxcb
+    #libxdamage
+    #libxext
+    #libxfixes
+  )
+
+  echo "  -> Extracting the archive..."
+  bsdtar -xf "$_dl_filename" data.tar.xz
+  bsdtar -xf data.tar.xz -C "$pkgdir/"
+  rm data.tar.xz
+
+  echo "  -> Moving files in place..."
+  mv "$pkgdir/opt/chromium.org/thorium" "$pkgdir/opt/$_pkgname"
+  unlink "$pkgdir/usr/bin/thorium-browser"
+  unlink "$pkgdir/usr/bin/pak"
+
+  # thorium-browser
+  install -Dm755 "$_pkgname.sh" "$pkgdir/usr/bin/$_pkgname"
+  chmod 4755 "$pkgdir/opt/$_pkgname/chrome-sandbox"
+
+  # thorium-shell
+  sed -E \
+    -e "s@/opt/chromium.org/thorium/@/opt/$_pkgname/@" \
+    -i "$pkgdir/usr/bin/thorium-shell"
+
+  mv "$pkgdir/usr/bin/thorium-shell" "$pkgdir/usr/bin/thorium-shell-${_pkgname: -4}"
+
+  # thorium-browser.xml
+  sed -E \
+    -e "s@thorium-browser@$_pkgname@" \
+    -e "s@/opt/chromium.org/thorium/@/opt/$_pkgname/@" \
+    -i "$pkgdir/usr/share/gnome-control-center/default-apps/thorium-browser.xml"
+
+  mv "$pkgdir/usr/share/gnome-control-center/default-apps/thorium-browser.xml" "$pkgdir/usr/share/gnome-control-center/default-apps/$_pkgname.xml"
+
+  # thorium-browser.appdata.xml
+  sed -E \
+    -e "s@thorium-browser@$_pkgname@" \
+    -i "$pkgdir/usr/share/appdata/thorium-browser.appdata.xml"
+
+  mv "$pkgdir/usr/share/appdata/thorium-browser.appdata.xml" "$pkgdir/usr/share/appdata/$_pkgname.appdata.xml"
+
+  # thorium-browser.desktop
+  sed -E \
+    -e "s@thorium-browser@$_pkgname@" \
+    -e "s@thorium-shell@thorium-shell-${_pkgname: -4}@" \
+    -e "s@^(Name\S*=.*)\$@\1 AVX@" \
+    -e "s@^(GenericName\S*=.*)\$@\1 AVX@" \
+    -i "$pkgdir/usr/share/applications/thorium-browser.desktop"
+
+  mv "$pkgdir/usr/share/applications/thorium-browser.desktop" "$pkgdir/usr/share/applications/$_pkgname.desktop"
+
+  # thorium-shell.desktop
+  sed -E \
+    -e "s@^Icon=.*\$@Icon=thorium-shell-${_pkgname: -4}@" \
+    -e "s@thorium-shell@thorium-shell-${_pkgname: -4}@" \
+    -e "s@thorium_shell@thorium_shell_${_pkgname: -4}@" \
+    -e "s@^(Name\S*=.*)\$@\1 AVX@" \
+    -e "s@^(GenericName\S*=.*)\$@\1 AVX@" \
+    -i "$pkgdir/usr/share/applications/thorium-shell.desktop"
+
+  mv "$pkgdir/usr/share/applications/thorium-shell.desktop" "$pkgdir/usr/share/applications/thorium-shell-${_pkgname: -4}.desktop"
+
+  # man page
+  mv "$pkgdir/usr/share/man/man1/thorium-browser.1.gz" "$pkgdir/usr/share/man/man1/$_pkgname.1.gz"
+
+  # Icons
+  for i in 16 24 32 48 64 128 256; do
+    install -Dm644 "$pkgdir/opt/$_pkgname/product_logo_${i}.png" \
+      "$pkgdir/usr/share/icons/hicolor/${i}x${i}/apps/$_pkgname.png"
+  done
+
+  install -Dm644 "$pkgdir/opt/$_pkgname/thorium_shell.png" \
+    "$pkgdir/usr/share/icons/hicolor/256x256/apps/thorium-shell-${_pkgname: -4}.png"
+
+  # clean-up
+  echo "  -> Removing Debian Cron job, duplicate product logos and menu directory..."
+  rm -r -- \
+  "$pkgdir/opt/chromium.org" \
+    "$pkgdir/etc/cron.daily/" \
+    "$pkgdir/usr/share/doc/" \
+    "$pkgdir/opt/$_pkgname/cron/" \
+    "$pkgdir/opt/$_pkgname"/product_logo_*.{png,xpm} \
+    "$pkgdir/usr/share/menu/"
+}
+
+# update version
+_update_version() {
+  : ${_pkgver:=${pkgver%%.r*}}
+
+  if [[ "${_autoupdate::1}" != "t" ]] ; then
+    return
+  fi
+  local _blacklist _response _tags _tag _pkgver_new
+
+  _blacklist=(
+  )
+  _response=$(curl -Ssf "$url/releases.atom")
+  _tags=$(
+    printf '%s' "$_response" \
+      | grep '/releases/tag/' \
+      | sed -E 's@^.*/releases/tag/(.*)".*$@\1@' \
+      | grep -Ev '[a-z]{2}'
+  )
+  for i in "${_blacklist[@]}" ; do
+    _tags=${_tags/$i}
+  done
+  _tag=$(printf '%s' "$_tags" | sort -rV | head -1)
+  _pkgver_new="${_tag#M}"
+
+  # update _pkgver
+  if [ "$_pkgver" != "${_pkgver_new:?}" ] ; then
+    _pkgver="${_pkgver_new:?}"
+  fi
+}
+
+# execute
+_main_package
diff --git a/PKGBUILD.avx2 b/PKGBUILD.avx2
new file mode 100644
index 0000000000000..35e971511405d
--- /dev/null
+++ b/PKGBUILD.avx2
@@ -0,0 +1,225 @@
+# Maintainer:
+
+# options
+if [ -n "$_srcinfo" ] || [ -n "$_pkgver" ] ; then
+  : ${_autoupdate:=false}
+else
+  : ${_autoupdate:=true}
+fi
+
+# basic info
+_pkgname="thorium-browser-avx2"
+pkgname="$_pkgname-bin"
+pkgver=119.0.6045.214
+pkgrel=1
+pkgdesc="Chromium fork focused on high performance and security"
+url="https://github.com/Alex313031/Thorium-Other"
+license=('BSD')
+arch=('x86_64')
+
+# main package
+_main_package() {
+  _update_version
+
+  depends=()
+  makedepends=()
+  optdepends=(
+    'gnome-keyring: for storing passwords in GNOME keyring'
+    'kdialog: for file dialogs in KDE'
+    'kwallet5: for storing passwords in KWallet'
+    'pipewire: WebRTC desktop sharing under Wayland'
+  )
+
+  options=('!emptydirs' '!strip' '!debug')
+
+  _dl_url="https://github.com/Alex313031/Thorium-Other/releases/download/${_pkgver:?}"
+  _dl_filename="${_pkgname%-avx2}_${_pkgver:?}_AVX2.deb"
+  noextract+=("$_dl_filename")
+
+  source=("$_dl_url/$_dl_filename")
+  sha256sums=('SKIP')
+
+  pkgver() {
+    echo "${_pkgver:?}"
+  }
+}
+
+# common functions
+prepare() {
+  install -Dvm644 /dev/stdin "$_pkgname.sh" <<END
+#!/usr/bin/env bash
+
+# check microprocessor architecture level
+if grep -qE '\bavx2\b' /proc/cpuinfo ; then
+  _message=''
+  _message+=\$'The fastest browser on Earth.'
+else
+  _message=''
+  _message+=\$'Your processor does not support SSE3 instructions.\n'
+  _message+=\$'thorium-browser may not work on your computer.'
+fi
+
+# Allow users to override command-line options
+XDG_CONFIG_HOME=\${XDG_CONFIG_HOME:-~/.config}
+_FLAGS_FILE="\$XDG_CONFIG_HOME/thorium-flags.conf"
+
+if [[ -f "\$_FLAGS_FILE" ]]; then
+  _USER_FLAGS="\$(cat "\$_FLAGS_FILE")"
+fi
+
+# display processor support message
+if tty -s ; then
+  echo "\$_message"
+else
+  [ ! -e "\$XDG_CONFIG_HOME/thorium" ] && notify-send -a "thorium-browser" -t 7500 "\$_message"
+fi
+
+# Launch
+exec /opt/$_pkgname/thorium-browser \$_USER_FLAGS "\$@"
+END
+}
+
+package() {
+  provides=("$_pkgname")
+  conflicts=("$_pkgname")
+
+  depends+=(
+    'alsa-lib'
+    'at-spi2-core'
+    'cairo'
+    'dbus'
+    'libcups'
+    'libnotify' # notify-send
+    'libxcomposite'
+    'libxkbcommon'
+    'libxrandr'
+    'mesa'
+    'nspr'
+    'nss'
+    'pango'
+
+    ## implicit
+    #expat
+    #glib2
+    #libdrm
+    #libx11
+    #libxcb
+    #libxdamage
+    #libxext
+    #libxfixes
+  )
+
+  echo "  -> Extracting the archive..."
+  bsdtar -xf "$_dl_filename" data.tar.xz
+  bsdtar -xf data.tar.xz -C "$pkgdir/"
+  rm data.tar.xz
+
+  echo "  -> Moving files in place..."
+  mv "$pkgdir/opt/chromium.org/thorium" "$pkgdir/opt/$_pkgname"
+  unlink "$pkgdir/usr/bin/thorium-browser"
+  unlink "$pkgdir/usr/bin/pak"
+
+  # thorium-browser
+  install -Dm755 "$_pkgname.sh" "$pkgdir/usr/bin/$_pkgname"
+  chmod 4755 "$pkgdir/opt/$_pkgname/chrome-sandbox"
+
+  # thorium-shell
+  sed -E \
+    -e "s@/opt/chromium.org/thorium/@/opt/$_pkgname/@" \
+    -i "$pkgdir/usr/bin/thorium-shell"
+
+  mv "$pkgdir/usr/bin/thorium-shell" "$pkgdir/usr/bin/thorium-shell-${_pkgname: -4}"
+
+  # thorium-browser.xml
+  sed -E \
+    -e "s@thorium-browser@$_pkgname@" \
+    -e "s@/opt/chromium.org/thorium/@/opt/$_pkgname/@" \
+    -i "$pkgdir/usr/share/gnome-control-center/default-apps/thorium-browser.xml"
+
+  mv "$pkgdir/usr/share/gnome-control-center/default-apps/thorium-browser.xml" "$pkgdir/usr/share/gnome-control-center/default-apps/$_pkgname.xml"
+
+  # thorium-browser.appdata.xml
+  sed -E \
+    -e "s@thorium-browser@$_pkgname@" \
+    -i "$pkgdir/usr/share/appdata/thorium-browser.appdata.xml"
+
+  mv "$pkgdir/usr/share/appdata/thorium-browser.appdata.xml" "$pkgdir/usr/share/appdata/$_pkgname.appdata.xml"
+
+  # thorium-browser.desktop
+  sed -E \
+    -e "s@thorium-browser@$_pkgname@" \
+    -e "s@thorium-shell@thorium-shell-${_pkgname: -4}@" \
+    -e "s@^(Name\S*=.*)\$@\1 AVX2@" \
+    -e "s@^(GenericName\S*=.*)\$@\1 AVX2@" \
+    -i "$pkgdir/usr/share/applications/thorium-browser.desktop"
+
+  mv "$pkgdir/usr/share/applications/thorium-browser.desktop" "$pkgdir/usr/share/applications/$_pkgname.desktop"
+
+  # thorium-shell.desktop
+  sed -E \
+    -e "s@^Icon=.*\$@Icon=thorium-shell-${_pkgname: -4}@" \
+    -e "s@thorium-shell@thorium-shell-${_pkgname: -4}@" \
+    -e "s@thorium_shell@thorium_shell_${_pkgname: -4}@" \
+    -e "s@^(Name\S*=.*)\$@\1 AVX2@" \
+    -e "s@^(GenericName\S*=.*)\$@\1 AVX2@" \
+    -i "$pkgdir/usr/share/applications/thorium-shell.desktop"
+
+  mv "$pkgdir/usr/share/applications/thorium-shell.desktop" "$pkgdir/usr/share/applications/thorium-shell-${_pkgname: -4}.desktop"
+
+  # man page
+  mv "$pkgdir/usr/share/man/man1/thorium-browser.1.gz" "$pkgdir/usr/share/man/man1/$_pkgname.1.gz"
+
+  # Icons
+  for i in 16 24 32 48 64 128 256; do
+    install -Dm644 "$pkgdir/opt/$_pkgname/product_logo_${i}.png" \
+      "$pkgdir/usr/share/icons/hicolor/${i}x${i}/apps/$_pkgname.png"
+  done
+
+  install -Dm644 "$pkgdir/opt/$_pkgname/thorium_shell.png" \
+    "$pkgdir/usr/share/icons/hicolor/256x256/apps/thorium-shell-${_pkgname: -4}.png"
+
+  # clean-up
+  echo "  -> Removing Debian Cron job, duplicate product logos and menu directory..."
+  rm -r -- \
+  "$pkgdir/opt/chromium.org" \
+    "$pkgdir/etc/cron.daily/" \
+    "$pkgdir/usr/share/doc/" \
+    "$pkgdir/opt/$_pkgname/cron/" \
+    "$pkgdir/opt/$_pkgname"/product_logo_*.{png,xpm} \
+    "$pkgdir/usr/share/menu/"
+}
+
+# update version
+_update_version() {
+  : ${_pkgver:=${pkgver%%.r*}}
+
+  if [[ "${_autoupdate::1}" != "t" ]] ; then
+    return
+  fi
+  local _blacklist _response _tags _tag _pkgver_new
+
+  _blacklist=(
+    119.0.6045.214-2 # 32-bit SSE2
+    119.0.6045.214-1 # Windows
+  )
+  _response=$(curl -Ssf "$url/releases.atom")
+  _tags=$(
+    printf '%s' "$_response" \
+      | grep '/releases/tag/' \
+      | sed -E 's@^.*/releases/tag/(.*)".*$@\1@' \
+      | grep -Ev '[a-z]{2}'
+  )
+  for i in "${_blacklist[@]}" ; do
+    _tags=${_tags/$i}
+  done
+  _tag=$(printf '%s' "$_tags" | sort -rV | head -1)
+  _pkgver_new="${_tag#v.}"
+
+  # update _pkgver
+  if [ "$_pkgver" != "${_pkgver_new:?}" ] ; then
+    _pkgver="${_pkgver_new:?}"
+  fi
+}
+
+# execute
+_main_package
diff --git a/PKGBUILD.sse3 b/PKGBUILD.sse3
new file mode 100644
index 0000000000000..1406ced770078
--- /dev/null
+++ b/PKGBUILD.sse3
@@ -0,0 +1,223 @@
+# Maintainer:
+
+# options
+if [ -n "$_srcinfo" ] || [ -n "$_pkgver" ] ; then
+  : ${_autoupdate:=false}
+else
+  : ${_autoupdate:=true}
+fi
+
+# basic info
+_pkgname="thorium-browser-sse3"
+pkgname="$_pkgname-bin"
+pkgver=120.0.6099.235
+pkgrel=1
+pkgdesc="Chromium fork focused on high performance and security"
+url="https://github.com/Alex313031/Thorium"
+license=('BSD')
+arch=('x86_64')
+
+# main package
+_main_package() {
+  _update_version
+
+  depends=()
+  makedepends=()
+  optdepends=(
+    'gnome-keyring: for storing passwords in GNOME keyring'
+    'kdialog: for file dialogs in KDE'
+    'kwallet5: for storing passwords in KWallet'
+    'pipewire: WebRTC desktop sharing under Wayland'
+  )
+
+  options=('!emptydirs' '!strip' '!debug')
+
+  _dl_url="$url/releases/download/M${_pkgver:?}"
+  _dl_filename="${_pkgname%-sse3}_${_pkgver:?}_SSE3.deb"
+  noextract+=("$_dl_filename")
+
+  source=("$_dl_url/$_dl_filename")
+  sha256sums=('SKIP')
+
+  pkgver() {
+    echo "${_pkgver:?}"
+  }
+}
+
+# common functions
+prepare() {
+  install -Dvm644 /dev/stdin "$_pkgname.sh" <<END
+#!/usr/bin/env bash
+
+# check microprocessor architecture level
+if grep -qE '\bpni\b' /proc/cpuinfo ; then
+  _message=''
+  _message+=\$'The fastest browser on Earth.'
+else
+  _message=''
+  _message+=\$'Your processor does not support SSE3 instructions.\n'
+  _message+=\$'thorium-browser may not work on your computer.'
+fi
+
+# Allow users to override command-line options
+XDG_CONFIG_HOME=\${XDG_CONFIG_HOME:-~/.config}
+_FLAGS_FILE="\$XDG_CONFIG_HOME/thorium-flags.conf"
+
+if [[ -f "\$_FLAGS_FILE" ]]; then
+  _USER_FLAGS="\$(cat "\$_FLAGS_FILE")"
+fi
+
+# display processor support message
+if tty -s ; then
+  echo "\$_message"
+else
+  [ ! -e "\$XDG_CONFIG_HOME/thorium" ] && notify-send -a "thorium-browser" -t 7500 "\$_message"
+fi
+
+# Launch
+exec /opt/$_pkgname/thorium-browser \$_USER_FLAGS "\$@"
+END
+}
+
+package() {
+  provides=("$_pkgname")
+  conflicts=("$_pkgname")
+
+  depends+=(
+    'alsa-lib'
+    'at-spi2-core'
+    'cairo'
+    'dbus'
+    'libcups'
+    'libnotify' # notify-send
+    'libxcomposite'
+    'libxkbcommon'
+    'libxrandr'
+    'mesa'
+    'nspr'
+    'nss'
+    'pango'
+
+    ## implicit
+    #expat
+    #glib2
+    #libdrm
+    #libx11
+    #libxcb
+    #libxdamage
+    #libxext
+    #libxfixes
+  )
+
+  echo "  -> Extracting the archive..."
+  bsdtar -xf "$_dl_filename" data.tar.xz
+  bsdtar -xf data.tar.xz -C "$pkgdir/"
+  rm data.tar.xz
+
+  echo "  -> Moving files in place..."
+  mv "$pkgdir/opt/chromium.org/thorium" "$pkgdir/opt/$_pkgname"
+  unlink "$pkgdir/usr/bin/thorium-browser"
+  unlink "$pkgdir/usr/bin/pak"
+
+  # thorium-browser
+  install -Dm755 "$_pkgname.sh" "$pkgdir/usr/bin/$_pkgname"
+  chmod 4755 "$pkgdir/opt/$_pkgname/chrome-sandbox"
+
+  # thorium-shell
+  sed -E \
+    -e "s@/opt/chromium.org/thorium/@/opt/$_pkgname/@" \
+    -i "$pkgdir/usr/bin/thorium-shell"
+
+  mv "$pkgdir/usr/bin/thorium-shell" "$pkgdir/usr/bin/thorium-shell-${_pkgname: -4}"
+
+  # thorium-browser.xml
+  sed -E \
+    -e "s@thorium-browser@$_pkgname@" \
+    -e "s@/opt/chromium.org/thorium/@/opt/$_pkgname/@" \
+    -i "$pkgdir/usr/share/gnome-control-center/default-apps/thorium-browser.xml"
+
+  mv "$pkgdir/usr/share/gnome-control-center/default-apps/thorium-browser.xml" "$pkgdir/usr/share/gnome-control-center/default-apps/$_pkgname.xml"
+
+  # thorium-browser.appdata.xml
+  sed -E \
+    -e "s@thorium-browser@$_pkgname@" \
+    -i "$pkgdir/usr/share/appdata/thorium-browser.appdata.xml"
+
+  mv "$pkgdir/usr/share/appdata/thorium-browser.appdata.xml" "$pkgdir/usr/share/appdata/$_pkgname.appdata.xml"
+
+  # thorium-browser.desktop
+  sed -E \
+    -e "s@thorium-browser@$_pkgname@" \
+    -e "s@thorium-shell@thorium-shell-${_pkgname: -4}@" \
+    -e "s@^(Name\S*=.*)\$@\1 SSE3@" \
+    -e "s@^(GenericName\S*=.*)\$@\1 SSE3@" \
+    -i "$pkgdir/usr/share/applications/thorium-browser.desktop"
+
+  mv "$pkgdir/usr/share/applications/thorium-browser.desktop" "$pkgdir/usr/share/applications/$_pkgname.desktop"
+
+  # thorium-shell.desktop
+  sed -E \
+    -e "s@^Icon=.*\$@Icon=thorium-shell-${_pkgname: -4}@" \
+    -e "s@thorium-shell@thorium-shell-${_pkgname: -4}@" \
+    -e "s@thorium_shell@thorium_shell_${_pkgname: -4}@" \
+    -e "s@^(Name\S*=.*)\$@\1 SSE3@" \
+    -e "s@^(GenericName\S*=.*)\$@\1 SSE3@" \
+    -i "$pkgdir/usr/share/applications/thorium-shell.desktop"
+
+  mv "$pkgdir/usr/share/applications/thorium-shell.desktop" "$pkgdir/usr/share/applications/thorium-shell-${_pkgname: -4}.desktop"
+
+  # man page
+  mv "$pkgdir/usr/share/man/man1/thorium-browser.1.gz" "$pkgdir/usr/share/man/man1/$_pkgname.1.gz"
+
+  # Icons
+  for i in 16 24 32 48 64 128 256; do
+    install -Dm644 "$pkgdir/opt/$_pkgname/product_logo_${i}.png" \
+      "$pkgdir/usr/share/icons/hicolor/${i}x${i}/apps/$_pkgname.png"
+  done
+
+  install -Dm644 "$pkgdir/opt/$_pkgname/thorium_shell.png" \
+    "$pkgdir/usr/share/icons/hicolor/256x256/apps/thorium-shell-${_pkgname: -4}.png"
+
+  # clean-up
+  echo "  -> Removing Debian Cron job, duplicate product logos and menu directory..."
+  rm -r -- \
+  "$pkgdir/opt/chromium.org" \
+    "$pkgdir/etc/cron.daily/" \
+    "$pkgdir/usr/share/doc/" \
+    "$pkgdir/opt/$_pkgname/cron/" \
+    "$pkgdir/opt/$_pkgname"/product_logo_*.{png,xpm} \
+    "$pkgdir/usr/share/menu/"
+}
+
+# update version
+_update_version() {
+  : ${_pkgver:=${pkgver%%.r*}}
+
+  if [[ "${_autoupdate::1}" != "t" ]] ; then
+    return
+  fi
+  local _blacklist _response _tags _tag _pkgver_new
+
+  _blacklist=(
+  )
+  _response=$(curl -Ssf "$url/releases.atom")
+  _tags=$(
+    printf '%s' "$_response" \
+      | grep '/releases/tag/' \
+      | sed -E 's@^.*/releases/tag/(.*)".*$@\1@' \
+      | grep -Ev '[a-z]{2}'
+  )
+  for i in "${_blacklist[@]}" ; do
+    _tags=${_tags/$i}
+  done
+  _tag=$(printf '%s' "$_tags" | sort -rV | head -1)
+  _pkgver_new="${_tag#M}"
+
+  # update _pkgver
+  if [ "$_pkgver" != "${_pkgver_new:?}" ] ; then
+    _pkgver="${_pkgver_new:?}"
+  fi
+}
+
+# execute
+_main_package
diff --git a/thorium-browser.install b/thorium-browser.install
index 4c154108d38da..89fbe77d7c0b9 100644
--- a/thorium-browser.install
+++ b/thorium-browser.install
@@ -26,9 +26,6 @@ post_install() {
   if /usr/lib/ld-linux-x86-64.so.2 --help | grep -qsE '^\s+x86-64-v3.*supported.*$' ; then
     note1 "Custom flags should be put directly in: ~/.config/thorium-flags.conf"
     note2 "The launcher is called: 'thorium-browser'"
-  elif grep -qE '\bpni\b' /proc/cpuinfo ; then
-    note1 "Your processor does not support x86-64-v3 instructions."
-    note2 "You may want to install thorium-browser-sse3-bin instead."
   else
     note1 "Your processor does not support SSE3 instructions."
     note2 "thorium-browser may not work on your computer."
diff --git a/thorium-browser.sh b/thorium-browser.sh
deleted file mode 100644
index 528c421652dff..0000000000000
--- a/thorium-browser.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/usr/bin/env bash
-
-# check microprocessor architecture level
-if /usr/lib/ld-linux-x86-64.so.2 --help | grep -qsE '^\s+x86-64-v3.*supported.*$' ; then
-  _message=''
-  _message+=$'The fastest browser on Earth.'
-elif grep -qE '\bpni\b' /proc/cpuinfo ; then
-  _message=''
-  _message+=$'Your processor does not support x86-64-v3 instructions.\n'
-  _message+=$'You may want to use thorium-browser-sse3-bin.'
-else
-  _message=''
-  _message+=$'Your processor does not support SSE3 instructions.\n'
-  _message+=$'thorium-browser may not work on your computer.'
-fi
-
-# Allow users to override command-line options
-XDG_CONFIG_HOME=${XDG_CONFIG_HOME:-~/.config}
-_FLAGS_FILE="$XDG_CONFIG_HOME/thorium-flags.conf"
-
-if [[ -f "$_FLAGS_FILE" ]]; then
-  _USER_FLAGS="$(cat "$_FLAGS_FILE")"
-fi
-
-# display processor support message
-if tty -s ; then
-  echo "$_message"
-else
-  [ ! -e "$XDG_CONFIG_HOME/thorium" ] && notify-send -a "thorium-browser" -t 7500 "$_message"
-fi
-
-# Launch
-exec /opt/thorium-browser/thorium-browser $_USER_FLAGS "$@"