diff --git a/packaging/macos/010-init.sh b/packaging/macos/010-init.sh
index 728288d77379ae869f41c6aeafcf8fc2a64787dd..a5de35c1605174ae177e87b1f0174d59eb78677b 100644
--- a/packaging/macos/010-init.sh
+++ b/packaging/macos/010-init.sh
@@ -34,7 +34,7 @@ bash_d_include sed
 
 #--------------------------------------------------------------- toolset version
 
-VERSION=0.54
+VERSION=0.55
 
 #-------------------------------------------------------------- target OS by SDK
 
diff --git a/packaging/macos/210-inkscape_build.sh b/packaging/macos/210-inkscape_build.sh
index 81080a46302b7468e07b547eeed75889f8fc72c9..16d5d0d81d809db282b03ea3896893806ce30c8a 100755
--- a/packaging/macos/210-inkscape_build.sh
+++ b/packaging/macos/210-inkscape_build.sh
@@ -50,13 +50,8 @@ jhbuild_configure
 
 if ! $CI_GITLAB; then     # not running GitLab CI
 
-  if [ -d "$INK_DIR"/.git ]; then   # Already cloned?
-    # Special treatment 1/2 for local builds: Leave it up to the
-    # user if they need a fresh clone. This way we enable making changes
-    # to the code and running the build again.
-    echo_w "using existing repository in $INK_DIR"
-    echo_w "Do 'rm -rf $INK_DIR' if you want a fresh clone."
-    sleep 5
+  if [ -d "$INK_DIR" ]; then   # Sourcecode directory already there?
+    echo_i "using existing source $INK_DIR"
   else
     git clone \
       --branch "$INK_BRANCH" \
@@ -66,9 +61,9 @@ if ! $CI_GITLAB; then     # not running GitLab CI
       "$INK_URL" "$INK_DIR"
   fi
 
-  if ! $CI && [ -d "$INK_BLD_DIR" ]; then   # Running locally and build exists?
-    # Special treatment 2/2 for local builds: remove the build directory
-    # to ensure clean builds.
+  # Remove files from a previous build if they exist. This is to ensure clean
+  # builds when running locally or on non-ephemeral runners.
+  if [ -d "$INK_BLD_DIR" ]; then
     rm -rf "$INK_BLD_DIR"
   fi
 fi
@@ -92,7 +87,7 @@ ninja tests
 
 # Most libraries are linked to with their fully qualified paths, a few have been
 # linked to using '@rpath'. The Inkscape binary only provides an LC_RPATH
-# setting for its own library path (LIB_DIR/inkscape) at this point, so we need
-# to add LIB_DIR to make it work.
+# setting for its custom library path 'lib/inkscape' at this point, so we need
+# to add the common library path 'lib'.
 
-lib_add_rpath @loader_path/../lib $BIN_DIR/inkscape
+lib_add_rpath @loader_path/../lib "$BIN_DIR"/inkscape
diff --git a/packaging/macos/220-inkscape_package.sh b/packaging/macos/220-inkscape_package.sh
index 41bdcef4ef23239202cd7c0921870e7e473b72be..6876ca7d46bf7f2f84b51ae23a13d770b5b9b7b6 100755
--- a/packaging/macos/220-inkscape_package.sh
+++ b/packaging/macos/220-inkscape_package.sh
@@ -105,8 +105,9 @@ fi
 
 #----------------------------------------------------- generate application icon
 
-svg2icns "$INK_DIR"/share/branding/inkscape-mac.svg \
-         "$INK_APP_RES_DIR"/inkscape.icns
+svg2icns \
+  "$INK_DIR"/share/branding/inkscape-mac.svg \
+  "$INK_APP_RES_DIR"/inkscape.icns
 
 #----------------------------------------------------------- add file type icons
 
@@ -125,22 +126,37 @@ lib_add_rpath @executable_path/../../../../../../../../Resources/lib \
   "$INK_APP_FRA_DIR"/Python.framework/Versions/Current/Resources/\
 Python.app/Contents/MacOS/Python
 
-# Exteract the externally built wheels (if present).
-if [ -f "$INK_WHEELS_DIR"/wheels.tar.xz ]; then
-  tar -C "$TMP_DIR" -xf "$INK_WHEELS_DIR"/wheels.tar.xz
-  INK_WHEELS_DIR=$TMP_DIR
+# Exteract the externally built wheels if present. Wheels in TMP_DIR
+# will take precedence over the ones in PKG_DIR.
+if [ -f "$PKG_DIR"/wheels.tar.xz ]; then
+  tar -C "$TMP_DIR" -xf "$PKG_DIR"/wheels.tar.xz
 else
   echo_w "not using externally built wheels"
 fi
 
 # Install wheels.
+ink_pipinstall_appdirs         # extension manager
+ink_pipinstall_beautifulsoup4  # extension manager
+ink_pipinstall_cachecontrol    # extension manager
 ink_pipinstall_cssselect
+ink_pipinstall_gtkme           # extension manager
 ink_pipinstall_lxml
 ink_pipinstall_numpy
 ink_pipinstall_pygobject
 ink_pipinstall_pyserial
 ink_pipinstall_scour
-ink_pipinstall_urllib3
+
+#---------------------------------------------------------- generate Python icon
+
+curl \
+  -o "$TMP_DIR/$(basename "$INK_PYTHON_ICON_URL")" \
+  -L "$INK_PYTHON_ICON_URL"
+
+svg2icns \
+  "$TMP_DIR/$(basename "$INK_PYTHON_ICON_URL")" \
+  "$INK_APP_FRA_DIR/Python.framework/Resources/Python.app/Contents/\
+Resources/PythonInterpreter.icns" \
+  8
 
 #----------------------------------------------------- remove Python cache files
 
diff --git a/packaging/macos/packages/ink.sh b/packaging/macos/packages/ink.sh
index 49b63b405075d9c6f2cde70c85621cfb975a79a2..1fbf98acc95ec7673ad64726cd0450e1605886be 100644
--- a/packaging/macos/packages/ink.sh
+++ b/packaging/macos/packages/ink.sh
@@ -9,6 +9,7 @@
 ### shellcheck #################################################################
 
 # shellcheck shell=bash # no shebang as this file is intended to be sourced
+# shellcheck disable=SC2034 # multipe vars only used outside this script
 
 ### dependencies ###############################################################
 
@@ -18,15 +19,24 @@
 
 #----------------------------------------------- source directory and git branch
 
-# If we're running inside Inkscape's official CI, the repository is already
-# there and we adjust INK_DIR accordingly.
-# If not, check if a custom repository location and/or branch has been
-# specified in the environment.
+# There are 3 possible scenarios:
+#
+#   1. We're running inside GitLab CI:
+#      The repository has already been cloned, set INK_DIR accordingly.
+#
+#   2. We're not running inside GitLab CI and INK_DIR has been set:
+#      Use INK_DIR provided as-is, we expect the source to be there.
+#
+#   3. We're not running inside GitLab CI and INK_DIR has not been set:
+#      Set INK_DIR to our default location, we'll clone the repo there.
 
 if $CI_GITLAB; then   # running GitLab CI
   INK_DIR=$SELF_DIR/../..
 else                  # not running GitLab CI
-  INK_DIR=$SRC_DIR/inkscape
+  # Use default directory if not provided.
+  if [ -z "$INK_DIR" ]; then
+    INK_DIR=$SRC_DIR/inkscape
+  fi
 
   # Allow using a custom Inkscape repository and branch.
   if [ -z "$INK_URL" ]; then
@@ -52,38 +62,69 @@ INK_PYTHON_VER_MINOR=8
 INK_PYTHON_VER=$INK_PYTHON_VER_MAJOR.$INK_PYTHON_VER_MINOR
 INK_PYTHON_URL="https://gitlab.com/api/v4/projects/26780227/packages/generic/\
 python_macos/1/python_${INK_PYTHON_VER/./}_$(uname -p)_inkscape.tar.xz"
-
-INK_WHEELS_DIR=$PKG_DIR
+INK_PYTHON_ICON_URL="https://gitlab.com/inkscape/vectors/content/-/raw/\
+5f4f4cdf/branding/projects/extensions_c1.svg"
 
 #----------------------------------- Python packages to be bundled with Inkscape
 
+# https://pypi.org/project/appdirs/
+INK_PYTHON_PKG_APPDIRS=appdirs==1.4.4
+
+# https://pypi.org/project/beautifulsoup4/
+# https://pypi.org/project/soupsieve/
+INK_PYTHON_PKG_BEAUTIFULSOUP4="\
+  beautifulsoup4==4.10.0\
+  soupsieve==2.2.1\
+"
+
+# https://pypi.org/project/CacheControl/
+# https://pypi.org/project/certifi/
+# https://pypi.org/project/charset-normalizer/
+# https://pypi.org/project/idna/
+# https://pypi.org/project/lockfile/
+# https://pypi.org/project/msgpack/
+# https://pypi.org/project/requests/
+# https://pypi.org/project/urllib3/
+INK_PYTHON_PKG_CACHECONTROL="\
+  CacheControl==0.12.6\
+  certifi==2021.10.8\
+  charset_normalizer==2.0.7\
+  idna==3.3\
+  lockfile==0.12.2\
+  msgpack==1.0.2\
+  requests==2.26.0\
+  urllib3==1.26.7\
+"
+
 # https://pypi.org/project/cssselect/
-INK_PYTHON_CSSSELECT=cssselect==1.1.0
+INK_PYTHON_PKG_CSSSELECT=cssselect==1.1.0
+
+# https://pypi.org/project/gtkme/
+INK_PYTHON_PKG_GTKME=gtkme==1.5.3
 
 # https://pypi.org/project/lxml/
-INK_PYTHON_LXML=lxml==4.6.3
+INK_PYTHON_PKG_LXML=lxml==4.6.3
 
 # https://pypi.org/project/numpy/
-INK_PYTHON_NUMPY=numpy==1.20.3
+INK_PYTHON_PKG_NUMPY=numpy==1.21.2
 
+# https://pypi.org/project/pycairo/
 # https://pypi.org/project/PyGObject/
-INK_PYTHON_PYGOBJECT="\
-  PyGObject==3.40.1\
-  pycairo==1.20.0\
+INK_PYTHON_PKG_PYGOBJECT="\
+  PyGObject==3.42.0\
+  pycairo==1.20.1\
 "
 
 # https://pypi.org/project/pyserial/
-INK_PYTHON_PYSERIAL=pyserial==3.5
+INK_PYTHON_PKG_PYSERIAL=pyserial==3.5
 
 # https://pypi.org/project/scour/
-INK_PYTHON_SCOUR="\
+# https://pypi.org/project/six/
+INK_PYTHON_PKG_SCOUR="\
   scour==0.38.2\
   six==1.16.0\
 "
 
-# https://pypi.org/project/urllib3
-INK_PYTHON_URLLIB3=urllib3==1.26.5
-
 #------------------------------------------- application bundle directory layout
 
 INK_APP_DIR=$ARTIFACT_DIR/Inkscape.app
@@ -95,8 +136,7 @@ INK_APP_BIN_DIR=$INK_APP_RES_DIR/bin
 INK_APP_ETC_DIR=$INK_APP_RES_DIR/etc
 INK_APP_EXE_DIR=$INK_APP_CON_DIR/MacOS
 INK_APP_LIB_DIR=$INK_APP_RES_DIR/lib
-
-INK_APP_SITEPKG_DIR=$INK_APP_LIB_DIR/python$INK_PYTHON_VER/site-packages
+INK_APP_SPK_DIR=$INK_APP_LIB_DIR/python$INK_PYTHON_VER/site-packages
 
 ### functions ##################################################################
 
@@ -104,19 +144,22 @@ function ink_get_version
 {
   local file=$INK_DIR/CMakeLists.txt
   local ver_major
-  ver_major=$(grep INKSCAPE_VERSION_MAJOR "$file" | head -n 1 | awk '{ print $2+0 }')
+  ver_major=$(grep INKSCAPE_VERSION_MAJOR "$file" | head -n 1 |
+    awk '{ print $2+0 }')
   local ver_minor
-  ver_minor=$(grep INKSCAPE_VERSION_MINOR "$file" | head -n 1 | awk '{ print $2+0 }')
+  ver_minor=$(grep INKSCAPE_VERSION_MINOR "$file" | head -n 1 |
+    awk '{ print $2+0 }')
   local ver_patch
-  ver_patch=$(grep INKSCAPE_VERSION_PATCH "$file" | head -n 1 | awk '{ print $2+0 }')
+  ver_patch=$(grep INKSCAPE_VERSION_PATCH "$file" | head -n 1 |
+    awk '{ print $2+0 }')
   local ver_suffix
-  ver_suffix=$(grep INKSCAPE_VERSION_SUFFIX "$file" | head -n 1 | awk '{ print $2 }')
+  ver_suffix=$(grep INKSCAPE_VERSION_SUFFIX "$file" | head -n 1 |
+    awk '{ print $2 }')
 
-  ver_suffix=${ver_suffix%\"*}   # remove "double quote and everything after" from end
+  ver_suffix=${ver_suffix%\"*}  # remove "double quotes and all" from end
   ver_suffix=${ver_suffix#\"}   # remove "double quote" from beginning
 
-  # shellcheck disable=SC2086 # they are integers
-  echo $ver_major.$ver_minor.$ver_patch"$ver_suffix"
+  echo "$ver_major.$ver_minor.$ver_patch$ver_suffix"
 }
 
 function ink_get_repo_shorthash
@@ -127,13 +170,26 @@ function ink_get_repo_shorthash
 
 function ink_pipinstall
 {
-  local packages=$1
+  local packages=$1     # list of packages or function name ink_pipinstall_*
   local options=$2      # optional
 
+  # resolve function name into list of packages
+  if [[ $packages = ${FUNCNAME[0]}* ]]; then
+    packages=$(tr "[:lower:]" "[:upper:]" <<< "${packages/${FUNCNAME[0]}_/}")
+    packages=$(eval echo \$INK_PYTHON_PKG_"$packages")
+  fi
+
   # turn package names into filenames of our wheels
   local wheels
   for package in $packages; do
-    wheels="$wheels $(eval echo "$INK_WHEELS_DIR"/"${package%==*}"*.whl)"
+    package=$(eval echo "${package%==*}"*.whl)
+    # If present in TMP_DIR, use that. This is how the externally built
+    # packages can be fed into this.
+    if [ -f "$TMP_DIR/$package" ]; then
+      wheels="$wheels $TMP_DIR/$package"
+    else
+      wheels="$wheels $PKG_DIR/$package"
+    fi
   done
 
   local PATH_ORIGINAL=$PATH
@@ -149,25 +205,45 @@ function ink_pipinstall
   export PATH=$PATH_ORIGINAL
 }
 
+function ink_pipinstall_appdirs
+{
+  ink_pipinstall "${FUNCNAME[0]}"
+}
+
+function ink_pipinstall_beautifulsoup4
+{
+  ink_pipinstall "${FUNCNAME[0]}"
+}
+
+function ink_pipinstall_cachecontrol
+{
+  ink_pipinstall "${FUNCNAME[0]}"
+}
+
 function ink_pipinstall_cssselect
 {
-  ink_pipinstall "$INK_PYTHON_CSSSELECT"
+  ink_pipinstall "${FUNCNAME[0]}"
+}
+
+function ink_pipinstall_gtkme
+{
+  ink_pipinstall "${FUNCNAME[0]}"
 }
 
 function ink_pipinstall_lxml
 {
-  ink_pipinstall "$INK_PYTHON_LXML"
+  ink_pipinstall "${FUNCNAME[0]}"
 
   lib_change_paths \
     @loader_path/../../.. \
     "$INK_APP_LIB_DIR" \
-    "$INK_APP_SITEPKG_DIR"/lxml/etree.cpython-"${INK_PYTHON_VER/./}"-darwin.so \
-    "$INK_APP_SITEPKG_DIR"/lxml/objectify.cpython-"${INK_PYTHON_VER/./}"-darwin.so
+    "$INK_APP_SPK_DIR"/lxml/etree.cpython-"${INK_PYTHON_VER/./}"-darwin.so \
+    "$INK_APP_SPK_DIR"/lxml/objectify.cpython-"${INK_PYTHON_VER/./}"-darwin.so
 }
 
 function ink_pipinstall_numpy
 {
-  ink_pipinstall "$INK_PYTHON_NUMPY"
+  ink_pipinstall "${FUNCNAME[0]}"
 
   sed -i '' '1s/.*/#!\/usr\/bin\/env python'"$INK_PYTHON_VER_MAJOR"'/' \
     "$INK_APP_BIN_DIR"/f2py
@@ -179,37 +255,33 @@ function ink_pipinstall_numpy
 
 function ink_pipinstall_pygobject
 {
-  ink_pipinstall "$INK_PYTHON_PYGOBJECT"
+  ink_pipinstall "${FUNCNAME[0]}"
 
   lib_change_paths \
     @loader_path/../../.. \
     "$INK_APP_LIB_DIR" \
-    "$INK_APP_SITEPKG_DIR"/gi/_gi.cpython-"${INK_PYTHON_VER/./}"-darwin.so \
-    "$INK_APP_SITEPKG_DIR"/gi/_gi_cairo.cpython-"${INK_PYTHON_VER/./}"-darwin.so \
-    "$INK_APP_SITEPKG_DIR"/cairo/_cairo.cpython-"${INK_PYTHON_VER/./}"-darwin.so
+    "$INK_APP_SPK_DIR"/gi/_gi.cpython-"${INK_PYTHON_VER/./}"-darwin.so \
+    "$INK_APP_SPK_DIR"/gi/_gi_cairo.cpython-"${INK_PYTHON_VER/./}"-darwin.so \
+    "$INK_APP_SPK_DIR"/cairo/_cairo.cpython-"${INK_PYTHON_VER/./}"-darwin.so
 }
 
 function ink_pipinstall_pyserial
 {
-  ink_pipinstall "$INK_PYTHON_PYSERIAL"
+  ink_pipinstall "${FUNCNAME[0]}"
 
-  find "$INK_APP_SITEPKG_DIR"/serial -type f -name "*.pyc" -exec rm {} \;
-  sed -i '' '1s/.*/#!\/usr\/bin\/env python3/' "$INK_APP_BIN_DIR"/pyserial-miniterm
+  find "$INK_APP_SPK_DIR"/serial -type f -name "*.pyc" -exec rm {} \;
+  sed -i '' '1s/.*/#!\/usr\/bin\/env python3/' \
+    "$INK_APP_BIN_DIR"/pyserial-miniterm
   sed -i '' '1s/.*/#!\/usr\/bin\/env python3/' "$INK_APP_BIN_DIR"/pyserial-ports
 }
 
 function ink_pipinstall_scour
 {
-  ink_pipinstall "$INK_PYTHON_SCOUR"
+  ink_pipinstall "${FUNCNAME[0]}"
 
   sed -i '' '1s/.*/#!\/usr\/bin\/env python3/' "$INK_APP_BIN_DIR"/scour
 }
 
-function ink_pipinstall_urllib3
-{
-  ink_pipinstall "$INK_PYTHON_URLLIB3"
-}
-
 function ink_download_python
 {
   curl -o "$PKG_DIR"/"$(basename "${INK_PYTHON_URL%\?*}")" -L "$INK_PYTHON_URL"
@@ -233,17 +305,13 @@ python$INK_PYTHON_VER_MAJOR "$INK_APP_BIN_DIR"
 python$INK_PYTHON_VER/site-packages/inkscape.pth
 }
 
-# shellcheck disable=SC2086 # we need word splitting here
 function ink_build_wheels
 {
   jhbuild run pip3 install wheel
-  jhbuild run pip3 wheel $INK_PYTHON_CSSSELECT -w "$INK_WHEELS_DIR"
-  jhbuild run pip3 wheel --no-binary :all: $INK_PYTHON_LXML -w "$INK_WHEELS_DIR"
-  jhbuild run pip3 wheel $INK_PYTHON_NUMPY     -w "$INK_WHEELS_DIR"
-  jhbuild run pip3 wheel $INK_PYTHON_PYGOBJECT -w "$INK_WHEELS_DIR"
-  jhbuild run pip3 wheel $INK_PYTHON_PYSERIAL  -w "$INK_WHEELS_DIR"
-  jhbuild run pip3 wheel $INK_PYTHON_SCOUR     -w "$INK_WHEELS_DIR"
-  jhbuild run pip3 wheel $INK_PYTHON_URLLIB3   -w "$INK_WHEELS_DIR"
+  for pkg in ${!INK_PYTHON_PKG_*}; do
+    # shellcheck disable=SC2046 # we need word splitting here
+    jhbuild run pip3 wheel --no-binary :all: $(eval echo \$"$pkg") -w "$PKG_DIR"
+  done
 }
 
 ### main #######################################################################
diff --git a/packaging/macos/packages/jhbuild.sh b/packaging/macos/packages/jhbuild.sh
index ad93966e6ae76b5b437fff9daa3f64dc7f0b3ab8..d287f3014bc0933673c6d91e5431e7a69a099939 100644
--- a/packaging/macos/packages/jhbuild.sh
+++ b/packaging/macos/packages/jhbuild.sh
@@ -20,10 +20,10 @@ export JHBUILDRC=$ETC_DIR/jhbuildrc
 export JHBUILDRC_CUSTOM=$JHBUILDRC-custom
 
 JHBUILD_REQUIREMENTS="\
-  certifi==2021.5.30\
-  meson==0.57.1\
-  ninja==1.10.0.post2\
-  pygments==2.8.1\
+  certifi==2021.10.8\
+  meson==0.59.2\
+  ninja==1.10.2.2\
+  pygments==2.10.0\
 "
 
 # JHBuild build system 3.38.0+ (a896cbf404461cab979fa3cd1c83ddf158efe83b)
diff --git a/packaging/macos/packages/svg2icns.sh b/packaging/macos/packages/svg2icns.sh
index 6a680ea5c30cbdb2a851b0fffaedc5e6b0f9083b..a9c72322b8fd96714373e2fabedc17ac16d5d265 100644
--- a/packaging/macos/packages/svg2icns.sh
+++ b/packaging/macos/packages/svg2icns.sh
@@ -31,12 +31,17 @@ function svg2icns
 {
   local svg_file=$1
   local icns_file=$2
+  local scale=$3   # optional
+
+  if [ -z "$scale" ]; then
+    scale=1
+  fi
 
   local png_file
   png_file=$TMP_DIR/$(basename -s .svg "$svg_file").png
 
   # svg to png
-  jhbuild run cairosvg -f png -s 1 -o "$png_file" "$svg_file"
+  jhbuild run cairosvg -f png -s $scale -o "$png_file" "$svg_file"
 
   # png to icns
   cd "$TMP_DIR" || exit 1   # png2icns.sh outputs to current directory
diff --git a/packaging/macos/resources/image-vnd.sk1.icns b/packaging/macos/resources/image-vnd.sk1.icns
deleted file mode 100644
index 887cd1a8f7243d95a650bd1b5673acc048a3ea6f..0000000000000000000000000000000000000000
Binary files a/packaging/macos/resources/image-vnd.sk1.icns and /dev/null differ