diff --git a/signal-desktop-7.37.0-0.build.sh b/signal-desktop-7.37.0-0.build.sh
new file mode 100755
index 0000000..fbf07e3
--- /dev/null
+++ b/signal-desktop-7.37.0-0.build.sh
@@ -0,0 +1,248 @@
+#! /bin/bash -x
+{
+umask 022
+
+set -u
+set -x
+set -e
+
+umask 022
+
+PKG=signal-desktop
+VERSION=7.37.0
+BUILD=0
+
+declare -A NODEVMAP
+NODEVMAP["6.44.1"]="18.17.1" # good
+NODEVMAP["6.46.0"]="18.17.1" # good
+NODEVMAP["6.47.0"]="18.18.2" # bad
+NODEVMAP["6.48.1"]="18.18.2" # bad
+NODEVMAP["7.0.0"]="18.18.2" # bad
+NODEVMAP["7.1.1"]="18.18.2" # bad
+NODEVMAP["7.2.1"]="20.9.0" # good
+NODEVMAP["7.3.1"]="20.9.0" # good
+NODEVMAP["7.4.0"]="20.9.0" # good
+NODEVMAP["7.5.0"]="20.9.0" # nach zwei mal good
+NODEVMAP["7.5.1"]="20.9.0" # good
+NODEVMAP["7.16.0"]="20.11.1" # good
+NODEVMAP["7.28.0"]="20.17.0" # good
+NODEVMAP["7.29.0-beta.1"]="20.17.0" # good
+NODEVMAP["7.37.0"]="20.17.0" # good
+
+# error signal-desktop@7.16.0: The engine "node" is incompatible with this module. Expected version "20.11.1". Got "20.15.1"
+# error signal-desktop@7.29.0-beta.1: The engine "node" is incompatible with this module. Expected version "20.17.0". Got "20.11.1"
+
+NODEVERSION=${NODEVMAP[${VERSION}]}
+
+PATH=/bin:/usr/bin:/usr/sbin:/usr/local/bin
+export PATH
+
+PREFIX=/pkg/${PKG}-${VERSION}-${BUILD}
+
+mkdir -vp ${PREFIX}
+cat >${PREFIX}/profile <<EOF
+PATH=$PREFIX/bin:\$PATH
+EOF
+
+BUILDDIR=/scratch/local2/${USER}/signal-build/${VERSION}
+mkdir -p ${BUILDDIR}
+
+TMPDIR=${BUILDDIR}/tmp
+mkdir -p ${TMPDIR}
+export TMPDIR
+
+HOME=${BUILDDIR}/home
+mkdir -p ${HOME}
+export HOME
+
+_CLEANUP=(
+    ${HOME}/.cache/node-gyp
+    ${HOME}/.cache/pip
+    ${HOME}/.npm
+    ${HOME}/.config/configstore
+)
+
+for i in  "${_CLEANUP[@]}"; do
+    test -d $i && chmod -c -R u+rwx $i && rm -rf $i && echo "removed $i"
+done
+
+cat >>${HOME}/.wgetrc <<'_EOW_'
+http_proxy = beehive:3128
+https_proxy = beehive:3128
+ftp_proxy = beehive:3128
+check-certificate = quiet
+_EOW_
+
+git config --global http.proxy http://beehive:3128
+git config --global https.proxy https://beehive.molgen.mpg.de:3128
+git config --global advice.detachedHead false
+git config --global http.sslVerify false
+git config --global pack.threads 24
+
+exec </dev/null
+
+NODEPREFIX=/scratch/local2/${USER}/signal-build/node-${NODEVERSION}
+
+SRCURL="https://beehive.molgen.mpg.de/8996b90d5544c80c6ddc91efbcacc72f/node-v3.0.0-30761-g019efe1453.tar"
+
+PKGARC=${SRCURL##*/}
+
+pushd ${BUILDDIR}
+
+if [ ! -d ${NODEPREFIX} ]; then
+
+  # git tar file schon da ? wget it
+  test -e "${PKGARC}" || wget -nv "${SRCURL}"
+
+  test -d node-git || mkdir node-git && tar -x --directory=node-git --strip-components=1 -f ${PKGARC}
+
+  pushd node-git
+  # im node git, version auschecken
+
+  git clean -d --force
+  git checkout "v${NODEVERSION}"
+
+  # bauen nach
+  CFLAGS='-O2 -fPIC' \
+  ./configure \
+      --prefix=${NODEPREFIX}
+
+  make -j $(nproc)
+  make install
+
+  popd
+
+fi
+
+PATH=${NODEPREFIX}/bin:$PATH
+
+type node
+node --version
+type npm
+npm --version
+
+pushd ${PREFIX}
+npm install yarn
+rm -f ${NODEPREFIX}/bin/yarn
+ln -sv ${PREFIX}/node_modules/yarn/bin/yarn ${NODEPREFIX}/bin/yarn
+popd
+
+type yarn
+
+############ node / npm / yarn installed ############
+
+# get git lfs organized
+
+#go get github.com/git-lfs/git-lfs
+#cd ${HOME}/go/src/github.com/git-lfs/git-lfs
+#make
+
+if [ ! -e bin/git-lfs ]; then
+  mkdir -p bin
+  pushd bin
+  wget "https://beehive.molgen.mpg.de/f07153c9add38691457af31d5ef60d89/git-lfs"
+  chmod -v 755 git-lfs
+  popd
+fi
+
+PATH=${BUILDDIR}/bin:$PATH
+export PATH
+
+############ git-lfs installed ############
+
+# now go for signal
+# git clone, git describe, tar cf
+
+SRCURL[0]="https://beehive.molgen.mpg.de/6754c1d4c92fcfd3c1adc6929c93f46a/Signal-Desktop-v6.31.0-beta.1-1447-g76a77a9b7.tar"
+
+PKGARC=${SRCURL##*/}
+
+test -e ${PKGARC} || wget -nv ${SRCURL}
+test -d Signal-Desktop || mkdir Signal-Desktop && tar -x --directory=Signal-Desktop --strip-components=1 -f ${PKGARC}
+
+pwd
+
+cd Signal-Desktop
+
+git-lfs install
+
+git clean -d --force
+git checkout tags/v${VERSION}
+
+# allow higher node versions
+#sed 's#"node": "#&>=#' -i package.json
+
+# dirty...
+rm -v patches/socks-proxy-agent+8.0.1.patch
+mv -v patches/@types+express+4.17.18.patch patches/@types+express+4.17.21.patch
+
+# workaround https://github.com/yarnpkg/yarn/issues/7584
+cat >$HOME/.yarnrc <<EOF0
+unsafe-disable-integrity-migration false
+EOF0
+
+echo $PATH
+type npm
+npm --version
+npm config set color false
+
+#npm config set proxy http://beehive:3128
+#npm config set https-proxy https://beehive.molgen.mpg.de:3128
+
+type node
+node --version
+
+type yarn
+yarn --version
+
+# yarn install --frozen-lockfile
+
+pushd sticker-creator
+
+yarn install
+
+popd
+
+mkdir -pv ${HOME}/.config/yarn/global
+touch ${HOME}/.config/yarn/global/.yarnclean
+
+yarn install --ignore-engines
+
+yarn generate
+yarn prepare-beta-build
+yarn build || yarn build
+
+
+find ${BUILDDIR} -perm -700 ! -perm -005 -exec chmod o+rx '{}' ';'
+
+false && {
+    for e in signal-desktop signal-desktop-beta ; do
+        [ -e ${BUILDDIR}/Signal-Desktop/release/linux-unpacked/$e ] && \
+        cp -ax ${BUILDDIR}/Signal-Desktop/release/linux-unpacked/$e ${PREFIX}/
+    done
+
+    for e in \
+        '*.so' \
+        '*.pak' \
+        '*.bin' \
+        icudtl.dat \
+        locales \
+        resources \
+        ; do
+        cp -ax ${BUILDDIR}/Signal-Desktop/release/linux-unpacked/$e ${PREFIX}/
+    done
+}
+
+    cp -ax ${BUILDDIR}/Signal-Desktop/release/linux-unpacked/. ${PREFIX}/
+
+mkdir -p ${PREFIX}/bin
+
+cat >${PREFIX}/bin/signal-desktop <<__EOS__
+#!/bin/sh
+exec ${PREFIX}/signal-desktop "\$@"
+__EOS__
+
+chmod 755 ${PREFIX}/bin/signal-desktop
+
+exit
+}