diff --git a/native_client/javascript/package.json.in b/native_client/javascript/package.json.in
index 00079851..09dad3a5 100644
--- a/native_client/javascript/package.json.in
+++ b/native_client/javascript/package.json.in
@@ -32,7 +32,7 @@
         "host"        : "https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.tensorflow.pip.v1.0.0-warpctc.arm/artifacts/public/"
     },
     "dependencies"  : {
-      "node-pre-gyp": "0.14.x",
+      "node-pre-gyp": "0.15.x",
       "argparse": "1.0.x",
       "sox-stream": "2.0.x",
       "memory-stream": "0.0.3",
diff --git a/taskcluster/.shared.yml b/taskcluster/.shared.yml
index a5492b82..672380c5 100644
--- a/taskcluster/.shared.yml
+++ b/taskcluster/.shared.yml
@@ -29,6 +29,7 @@ nodejs:
     prep_11: 'echo "deb http://deb.nodesource.com/node_11.x xenial main" > /etc/apt/sources.list.d/nodesource.list && wget -qO- https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add -'
     prep_12: 'echo "deb http://deb.nodesource.com/node_12.x xenial main" > /etc/apt/sources.list.d/nodesource.list && wget -qO- https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add -'
     prep_13: 'echo "deb http://deb.nodesource.com/node_13.x xenial main" > /etc/apt/sources.list.d/nodesource.list && wget -qO- https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add -'
+    prep_14: 'echo "deb http://deb.nodesource.com/node_14.x xenial main" > /etc/apt/sources.list.d/nodesource.list && wget -qO- https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add -'
   packages_docs_bionic:
     apt: 'nodejs'
     apt_pinning: '(echo "Package: nodejs" && echo "Pin: origin deb.nodesource.com" && echo "Pin-Priority: 999") > /etc/apt/preferences'
@@ -41,26 +42,29 @@ nodejs:
     prep_11: 'echo "deb http://deb.nodesource.com/node_11.x buster main" > /etc/apt/sources.list.d/nodesource.list && wget -qO- https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add -'
     prep_12: 'echo "deb http://deb.nodesource.com/node_12.x buster main" > /etc/apt/sources.list.d/nodesource.list && wget -qO- https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add -'
     prep_13: 'echo "deb http://deb.nodesource.com/node_13.x buster main" > /etc/apt/sources.list.d/nodesource.list && wget -qO- https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add -'
+    prep_14: 'echo "deb http://deb.nodesource.com/node_14.x buster main" > /etc/apt/sources.list.d/nodesource.list && wget -qO- https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add -'
   brew:
-    prep_10: 'export NVM_DIR=$TASKCLUSTER_TASK_DIR/homebrew-tests/.nvm/ && source "$TASKCLUSTER_TASK_DIR/homebrew-tests/opt/nvm/nvm.sh" && nvm use 10.18.1'
+    prep_10: 'export NVM_DIR=$TASKCLUSTER_TASK_DIR/homebrew-tests/.nvm/ && source "$TASKCLUSTER_TASK_DIR/homebrew-tests/opt/nvm/nvm.sh" && nvm use 10.20.1'
     prep_11: 'export NVM_DIR=$TASKCLUSTER_TASK_DIR/homebrew-tests/.nvm/ && source "$TASKCLUSTER_TASK_DIR/homebrew-tests/opt/nvm/nvm.sh" && nvm use 11.15.0'
-    prep_12: 'export NVM_DIR=$TASKCLUSTER_TASK_DIR/homebrew-tests/.nvm/ && source "$TASKCLUSTER_TASK_DIR/homebrew-tests/opt/nvm/nvm.sh" && nvm use 12.8.1'
-    prep_13: 'export NVM_DIR=$TASKCLUSTER_TASK_DIR/homebrew-tests/.nvm/ && source "$TASKCLUSTER_TASK_DIR/homebrew-tests/opt/nvm/nvm.sh" && nvm use 13.1.0'
+    prep_12: 'export NVM_DIR=$TASKCLUSTER_TASK_DIR/homebrew-tests/.nvm/ && source "$TASKCLUSTER_TASK_DIR/homebrew-tests/opt/nvm/nvm.sh" && nvm use 12.17.0'
+    prep_13: 'export NVM_DIR=$TASKCLUSTER_TASK_DIR/homebrew-tests/.nvm/ && source "$TASKCLUSTER_TASK_DIR/homebrew-tests/opt/nvm/nvm.sh" && nvm use 13.14.0'
+    prep_14: 'export NVM_DIR=$TASKCLUSTER_TASK_DIR/homebrew-tests/.nvm/ && source "$TASKCLUSTER_TASK_DIR/homebrew-tests/opt/nvm/nvm.sh" && nvm use 14.3.0'
   win:
-    prep_10: '/usr/bin/wget.exe https://nodejs.org/dist/v10.18.1/node-v10.18.1-win-x64.zip && ""C:\Program Files\7-zip\7z.exe"" x -o$TASKCLUSTER_NODE_DIR -tzip -aoa node-v10.18.1-win-x64.zip && rm node-*.zip && export PATH=$TASKCLUSTER_TASK_DIR/bin/node-v10.18.1-win-x64/:$PATH'
+    prep_10: '/usr/bin/wget.exe https://nodejs.org/dist/v10.20.1/node-v10.20.1-win-x64.zip && ""C:\Program Files\7-zip\7z.exe"" x -o$TASKCLUSTER_NODE_DIR -tzip -aoa node-v10.20.1-win-x64.zip && rm node-*.zip && export PATH=$TASKCLUSTER_TASK_DIR/bin/node-v10.20.1-win-x64/:$PATH'
     prep_11: '/usr/bin/wget.exe https://nodejs.org/dist/v11.15.0/node-v11.15.0-win-x64.zip && ""C:\Program Files\7-zip\7z.exe"" x -o$TASKCLUSTER_NODE_DIR -tzip -aoa node-v11.15.0-win-x64.zip && rm node-*.zip && export PATH=$TASKCLUSTER_TASK_DIR/bin/node-v11.15.0-win-x64/:$PATH'
     prep_12: '/usr/bin/wget.exe https://nodejs.org/dist/v12.14.1/node-v12.14.1-win-x64.zip && ""C:\Program Files\7-zip\7z.exe"" x -o$TASKCLUSTER_NODE_DIR -tzip -aoa node-v12.14.1-win-x64.zip && rm node-*.zip && export PATH=$TASKCLUSTER_TASK_DIR/bin/node-v12.14.1-win-x64/:$PATH'
-    prep_13: '/usr/bin/wget.exe https://nodejs.org/dist/v13.6.0/node-v13.6.0-win-x64.zip && ""C:\Program Files\7-zip\7z.exe"" x -o$TASKCLUSTER_NODE_DIR -tzip -aoa node-v13.6.0-win-x64.zip && rm node-*.zip && export PATH=$TASKCLUSTER_TASK_DIR/bin/node-v13.6.0-win-x64/:$PATH'
+    prep_13: '/usr/bin/wget.exe https://nodejs.org/dist/v13.14.0/node-v13.14.0-win-x64.zip && ""C:\Program Files\7-zip\7z.exe"" x -o$TASKCLUSTER_NODE_DIR -tzip -aoa node-v13.14.0-win-x64.zip && rm node-*.zip && export PATH=$TASKCLUSTER_TASK_DIR/bin/node-v13.14.0-win-x64/:$PATH'
+    prep_14: '/usr/bin/wget.exe https://nodejs.org/dist/v14.3.0/node-v14.3.0-win-x64.zip && ""C:\Program Files\7-zip\7z.exe"" x -o$TASKCLUSTER_NODE_DIR -tzip -aoa node-v14.3.0-win-x64.zip && rm node-*.zip && export PATH=$TASKCLUSTER_TASK_DIR/bin/node-v14.3.0-win-x64/:$PATH'
 system:
   node_gyp_cache:
-    url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.node-gyp-cache.2/artifacts/public/node-gyp-cache.tar.gz'
-    namespace: 'project.deepspeech.node-gyp-cache.2'
+    url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.node-gyp-cache.4/artifacts/public/node-gyp-cache.tar.gz'
+    namespace: 'project.deepspeech.node-gyp-cache.4'
   homebrew_builds:
-    url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.homebrew_builds.4/artifacts/public/homebrew_builds.tar.gz'
-    namespace: 'project.deepspeech.homebrew_builds.4'
+    url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.homebrew_builds.5/artifacts/public/homebrew_builds.tar.gz'
+    namespace: 'project.deepspeech.homebrew_builds.5'
   homebrew_tests:
-    url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.homebrew_tests.4/artifacts/public/homebrew_tests.tar.gz'
-    namespace: 'project.deepspeech.homebrew_tests.4'
+    url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.homebrew_tests.6/artifacts/public/homebrew_tests.tar.gz'
+    namespace: 'project.deepspeech.homebrew_tests.6'
   android_cache:
     arm64_v8a:
       android_24:
diff --git a/taskcluster/homebrew-build.sh b/taskcluster/homebrew-build.sh
index 69dd1628..6cdda80a 100755
--- a/taskcluster/homebrew-build.sh
+++ b/taskcluster/homebrew-build.sh
@@ -29,7 +29,7 @@ do_prepare_homebrew()
   export PATH=${_brew_instance}/bin:$PATH
   export HOMEBREW_LOGS="${_brew_instance}/homebrew.logs/"
   export HOMEBREW_CACHE="${_brew_instance}/homebrew.cache/"
-  export BREW_FORMULAS_COMMIT=c3f06e4f17853bea8c35742923a9c43d3a244d35
+  export BREW_FORMULAS_COMMIT=ddd39cf1b71452bfe9c5f17f45cc0118796b20d3
 
   # Never fail on pre-existing homebrew/ directory
   mkdir -p "${_brew_instance}" || true
@@ -40,7 +40,7 @@ do_prepare_homebrew()
     curl -L ${BREW_URL} | tar xz --strip 1 -C "${_brew_instance}"
   fi;
 
-  check_homebrew
+  check_homebrew "${_brew_instance}"
 
   # Force an upgrade to fetch formulae
   brew search openssl
@@ -53,14 +53,16 @@ do_prepare_homebrew()
 
 check_homebrew()
 {
-  echo "local brew prefix ..."
-  local_prefix=$(brew --prefix)
-  echo "${local_prefix}"
+  local _expected_prefix=$1
 
-  if [ "${BUILDS_BREW}" != "${local_prefix}" ]; then
+  echo "local brew prefix ..."
+  local _local_prefix=$(brew --prefix)
+  echo "${_local_prefix}"
+
+  if [ "${_expected_prefix}" != "${_local_prefix}" ]; then
     echo "Weird state:"
-    echo "BUILDS_BREW=${BUILDS_BREW}"
-    echo "local_prefix=${local_prefix}"
+    echo "_expected_prefix=${_expected_prefix}"
+    echo "_local_prefix=${_local_prefix}"
     exit 1
   fi;
 }
@@ -90,7 +92,7 @@ prepare_homebrew_tests()
 
   install_pkg_homebrew "nvm"
     source "${TESTS_BREW}/opt/nvm/nvm.sh"
-    for node_ver in ${SUPPORTED_NODEJS_VERSIONS};
+    for node_ver in ${SUPPORTED_NODEJS_TESTS_VERSIONS};
     do
       nvm install ${node_ver}
     done;
diff --git a/taskcluster/homebrew_builds-darwin-amd64.yml b/taskcluster/homebrew_builds-darwin-amd64.yml
index 258f9ded..4dac3a13 100644
--- a/taskcluster/homebrew_builds-darwin-amd64.yml
+++ b/taskcluster/homebrew_builds-darwin-amd64.yml
@@ -1,8 +1,8 @@
 build:
   template_file: homebrew-darwin-opt-base.tyml
   homebrew:
-    url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.homebrew_builds.4/artifacts/public/homebrew_builds.tar.gz'
-    namespace: 'project.deepspeech.homebrew_builds.4'
+    url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.homebrew_builds.5/artifacts/public/homebrew_builds.tar.gz'
+    namespace: 'project.deepspeech.homebrew_builds.5'
   scripts:
     build: "taskcluster/homebrew-build.sh --builds"
     package: "taskcluster/homebrew-package.sh --builds"
diff --git a/taskcluster/homebrew_tests-darwin-amd64.yml b/taskcluster/homebrew_tests-darwin-amd64.yml
index 68e61bdd..fc9637f2 100644
--- a/taskcluster/homebrew_tests-darwin-amd64.yml
+++ b/taskcluster/homebrew_tests-darwin-amd64.yml
@@ -1,8 +1,8 @@
 build:
   template_file: homebrew-darwin-opt-base.tyml
   homebrew:
-    url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.homebrew_tests.4/artifacts/public/homebrew_tests.tar.gz'
-    namespace: 'project.deepspeech.homebrew_tests.4'
+    url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.homebrew_tests.6/artifacts/public/homebrew_tests.tar.gz'
+    namespace: 'project.deepspeech.homebrew_tests.6'
   scripts:
     build: "taskcluster/homebrew-build.sh --tests"
     package: "taskcluster/homebrew-package.sh --tests"
diff --git a/taskcluster/node-gyp-populate.sh b/taskcluster/node-gyp-populate.sh
index ebc0e47a..7043d332 100755
--- a/taskcluster/node-gyp-populate.sh
+++ b/taskcluster/node-gyp-populate.sh
@@ -16,7 +16,7 @@ mkdir -p ${devDir}
 
 node-gyp list ${devDir}
 
-for node in ${SUPPORTED_NODEJS_VERSIONS}; do
+for node in ${SUPPORTED_NODEJS_BUILD_VERSIONS}; do
     node-gyp install --devdir ${devDir} \
         --target=$node
     mkdir ${devDir}/${node}/x64/ || true
diff --git a/taskcluster/tc-all-vars.sh b/taskcluster/tc-all-vars.sh
index 6cdc6e7c..74887bdc 100755
--- a/taskcluster/tc-all-vars.sh
+++ b/taskcluster/tc-all-vars.sh
@@ -25,7 +25,7 @@ if [ "${OS}" = "Darwin" ]; then
     export PYENV_ROOT="${DS_ROOT_TASK}/pyenv-root"
 
     export HOMEBREW_NO_AUTO_UPDATE=1
-    export BREW_URL=https://github.com/Homebrew/brew/tarball/2.1.14
+    export BREW_URL=https://github.com/Homebrew/brew/tarball/2.2.17
 
     export BUILDS_BREW="${TASKCLUSTER_TASK_DIR}/homebrew-builds"
     export TESTS_BREW="${TASKCLUSTER_TASK_DIR}/homebrew-tests"
@@ -87,5 +87,10 @@ SUPPORTED_PYTHON_VERSIONS=${SUPPORTED_PYTHON_VERSIONS:-3.5.8:ucs2 3.6.10:ucs2 3.
 # When updating NodeJS / ElectronJS supported versions, do not forget to increment
 # deepspeech.node-gyp-cache.<X> in both `system.node_gyp_cache` (taskcluster/.shared.yml)
 # and route index (taskcluster/node-gyp-cache.yml) to ensure the cache is updated
-SUPPORTED_NODEJS_VERSIONS=${SUPPORTED_NODEJS_VERSIONS:-10.18.1 11.15.0 12.8.1 13.1.0}
-SUPPORTED_ELECTRONJS_VERSIONS=${SUPPORTED_ELECTRONJS_VERSIONS:-5.0.13 6.0.12 6.1.7 7.0.1 7.1.8 8.0.1}
+#
+# Also, builds should always target first major branch release to ensure proper binary compatibility
+# and tests should always target latest major branch release version
+SUPPORTED_NODEJS_BUILD_VERSIONS=${SUPPORTED_NODEJS_BUILD_VERSIONS:-10.0.0 11.0.0 12.7.0 13.0.0 14.0.0}
+SUPPORTED_NODEJS_TESTS_VERSIONS=${SUPPORTED_NODEJS_TESTS_VERSIONS:-10.20.1 11.15.0 12.17.0 13.14.0 14.3.0}
+
+SUPPORTED_ELECTRONJS_VERSIONS=${SUPPORTED_ELECTRONJS_VERSIONS:-5.0.13 6.0.12 6.1.7 7.0.1 7.1.8 8.0.1 9.0.1}
diff --git a/taskcluster/tc-build-utils.sh b/taskcluster/tc-build-utils.sh
index 26234a4f..5530517e 100755
--- a/taskcluster/tc-build-utils.sh
+++ b/taskcluster/tc-build-utils.sh
@@ -110,7 +110,7 @@ do_deepspeech_nodejs_build()
 
   export PATH="${PYTHON27}:$PATH"
 
-  for node in ${SUPPORTED_NODEJS_VERSIONS}; do
+  for node in ${SUPPORTED_NODEJS_BUILD_VERSIONS}; do
     EXTRA_CFLAGS="${EXTRA_LOCAL_CFLAGS}" EXTRA_LDFLAGS="${EXTRA_LOCAL_LDFLAGS}" EXTRA_LIBS="${EXTRA_LOCAL_LIBS}" make -C native_client/javascript \
       TARGET=${SYSTEM_TARGET} \
       RASPBIAN=${SYSTEM_RASPBIAN} \
diff --git a/taskcluster/tc-electron_tflite-tests.sh b/taskcluster/tc-electron_tflite-tests.sh
new file mode 100755
index 00000000..f740a5bd
--- /dev/null
+++ b/taskcluster/tc-electron_tflite-tests.sh
@@ -0,0 +1,71 @@
+#!/bin/bash
+
+set -xe
+
+source $(dirname "$0")/tc-tests-utils.sh
+
+nodever=$1
+electronver=$2
+
+if [ -z "${nodever}" ]; then
+    echo "No node version given, aborting."
+    exit 1
+fi;
+
+if [ -z "${electronver}" ]; then
+    echo "No electron version given, aborting."
+    exit 1
+fi;
+
+bitrate=$3
+set_ldc_sample_filename "${bitrate}"
+
+model_source=${DEEPSPEECH_TEST_MODEL//.pb/.tflite}
+model_name=$(basename "${model_source}")
+model_name_mmap=$(basename "${model_source}")
+
+download_data
+
+node --version
+npm --version
+
+NODE_ROOT="${DS_ROOT_TASK}/ds-test/"
+NODE_CACHE="${DS_ROOT_TASK}/ds-test.cache/"
+export NODE_PATH="${NODE_ROOT}/node_modules/"
+export PATH="${NODE_ROOT}:${NODE_PATH}/.bin/:${NODE_PATH}/electron/dist/:$PATH"
+
+npm install --prefix ${NODE_ROOT} --cache ${NODE_CACHE} electron@${electronver}
+
+deepspeech_npm_url=$(get_dep_npm_pkg_url)
+npm install --prefix ${NODE_ROOT} --cache ${NODE_CACHE} ${deepspeech_npm_url}
+
+if [ "${OS}" = "Darwin" ]; then
+  ln -s Electron.app/Contents/MacOS/Electron "${NODE_ROOT}/node_modules/electron/dist/node"
+else
+  ln -s electron "${NODE_ROOT}/node_modules/electron/dist/node"
+  if [ -f "${NODE_ROOT}/node_modules/electron/dist//chrome-sandbox" ]; then
+    export ELECTRON_DISABLE_SANDBOX=1
+  fi;
+fi
+
+find ${NODE_ROOT}/node_modules/electron/dist/
+
+which electron
+which node
+
+if [ "${OS}" = "Linux" ]; then
+  export DISPLAY=':99.0'
+  Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
+  xvfb_process=$!
+fi
+
+node --version
+
+check_runtime_electronjs
+
+run_electronjs_inference_tests
+
+if [ "${OS}" = "Linux" ]; then
+  sleep 1
+  kill -9 ${xvfb_process} || true
+fi
diff --git a/taskcluster/test-electronjs_v8.0_multiarchpkg-win-tflite-opt.yml.disabled b/taskcluster/test-electronjs_v8.0_multiarchpkg-win-tflite-opt.yml
similarity index 92%
rename from taskcluster/test-electronjs_v8.0_multiarchpkg-win-tflite-opt.yml.disabled
rename to taskcluster/test-electronjs_v8.0_multiarchpkg-win-tflite-opt.yml
index ef2f693a..5d2531f0 100644
--- a/taskcluster/test-electronjs_v8.0_multiarchpkg-win-tflite-opt.yml.disabled
+++ b/taskcluster/test-electronjs_v8.0_multiarchpkg-win-tflite-opt.yml
@@ -8,7 +8,7 @@ build:
     >
       ${system.sox_win} && ${nodejs.win.prep_12}
   args:
-    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/taskcluster/tc-electron-tests.sh 12.x 8.0.1 16k"
+    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/taskcluster/tc-electron_tflite-tests.sh 12.x 8.0.1 16k"
   metadata:
     name: "DeepSpeech Windows AMD64 TFLite ElectronJS MultiArch Package v8.0 tests"
     description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS MultiArch Package v8.0, TFLite only, optimized version"
diff --git a/taskcluster/test-electronjs_v9.0-darwin-amd64-opt.yml b/taskcluster/test-electronjs_v9.0-darwin-amd64-opt.yml
new file mode 100644
index 00000000..2c9ce143
--- /dev/null
+++ b/taskcluster/test-electronjs_v9.0-darwin-amd64-opt.yml
@@ -0,0 +1,15 @@
+build:
+  template_file: test-darwin-opt-base.tyml
+  dependencies:
+    - "darwin-amd64-cpu-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+    - "homebrew_tests-darwin-amd64"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.brew.prep_12}
+  args:
+    tests_cmdline: "$TASKCLUSTER_TASK_DIR/DeepSpeech/ds/taskcluster/tc-electron-tests.sh 12.x 9.0.1 16k"
+  metadata:
+    name: "DeepSpeech OSX AMD64 CPU ElectronJS v9.0 tests"
+    description: "Testing DeepSpeech for OSX/AMD64 on ElectronJS v9.0, CPU only, optimized version"
diff --git a/taskcluster/test-electronjs_v9.0-win-amd64-opt.yml b/taskcluster/test-electronjs_v9.0-win-amd64-opt.yml
new file mode 100644
index 00000000..66bd7b1f
--- /dev/null
+++ b/taskcluster/test-electronjs_v9.0-win-amd64-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-win-opt-base.tyml
+  dependencies:
+    - "win-amd64-cpu-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${system.sox_win} && ${nodejs.win.prep_12}
+  args:
+    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/taskcluster/tc-electron-tests.sh 12.x 9.0.1 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CPU ElectronJS v9.0 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS v9.0, CPU only, optimized version"
diff --git a/taskcluster/test-electronjs_v9.0_16k-linux-amd64-opt.yml b/taskcluster/test-electronjs_v9.0_16k-linux-amd64-opt.yml
new file mode 100644
index 00000000..15f53576
--- /dev/null
+++ b/taskcluster/test-electronjs_v9.0_16k-linux-amd64-opt.yml
@@ -0,0 +1,15 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  docker_image: "ubuntu:16.04"
+  dependencies:
+    - "linux-amd64-cpu-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.packages_xenial.prep_12} && ${nodejs.packages_xenial.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_xenial.apt} ${electronjs.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-electron-tests.sh 12.x 9.0.1 16k"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU ElectronJS v9.0 tests (16kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on ElectronJS v9.0, CPU only, optimized version (16kHz)"
diff --git a/taskcluster/test-electronjs_v9.0_8k-linux-amd64-opt.yml b/taskcluster/test-electronjs_v9.0_8k-linux-amd64-opt.yml
new file mode 100644
index 00000000..4704d64d
--- /dev/null
+++ b/taskcluster/test-electronjs_v9.0_8k-linux-amd64-opt.yml
@@ -0,0 +1,15 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  docker_image: "ubuntu:16.04"
+  dependencies:
+    - "linux-amd64-cpu-opt"
+    - "test-training_8k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_8k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.packages_xenial.prep_12} && ${nodejs.packages_xenial.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_xenial.apt} ${electronjs.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-electron-tests.sh 12.x 9.0.1 8k"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU ElectronJS v9.0 tests (8kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on ElectronJS v9.0, CPU only, optimized version (8kHz)"
diff --git a/taskcluster/test-electronjs_v9.0_multiarchpkg-win-amd64-opt.yml b/taskcluster/test-electronjs_v9.0_multiarchpkg-win-amd64-opt.yml
new file mode 100644
index 00000000..0b6d51f3
--- /dev/null
+++ b/taskcluster/test-electronjs_v9.0_multiarchpkg-win-amd64-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-win-opt-base.tyml
+  dependencies:
+    - "node-package-cpu"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${system.sox_win} && ${nodejs.win.prep_12}
+  args:
+    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/taskcluster/tc-electron-tests.sh 12.x 9.0.1 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CPU ElectronJS MultiArch Package v9.0 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS MultiArch Package v9.0, CPU only, optimized version"
diff --git a/taskcluster/test-electronjs_v9.0_multiarchpkg-win-cuda-opt.yml b/taskcluster/test-electronjs_v9.0_multiarchpkg-win-cuda-opt.yml
new file mode 100644
index 00000000..957a0281
--- /dev/null
+++ b/taskcluster/test-electronjs_v9.0_multiarchpkg-win-cuda-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-win-cuda-opt-base.tyml
+  dependencies:
+    - "node-package-gpu"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${system.sox_win} && ${nodejs.win.prep_12}
+  args:
+    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/taskcluster/tc-electron-tests.sh 12.x 9.0.1 16k cuda"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CUDA ElectronJS MultiArch Package v9.0 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS MultiArch Package v9.0, CUDA, optimized version"
diff --git a/taskcluster/test-electronjs_v9.0_multiarchpkg-win-tflite-opt.yml b/taskcluster/test-electronjs_v9.0_multiarchpkg-win-tflite-opt.yml
new file mode 100644
index 00000000..4de742c3
--- /dev/null
+++ b/taskcluster/test-electronjs_v9.0_multiarchpkg-win-tflite-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-win-opt-base.tyml
+  dependencies:
+    - "node-package-tflite"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${system.sox_win} && ${nodejs.win.prep_12}
+  args:
+    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/taskcluster/tc-electron_tflite-tests.sh 12.x 9.0.1 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 TFLite ElectronJS MultiArch Package v9.0 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS MultiArch Package v9.0, TFLite only, optimized version"
diff --git a/taskcluster/test-nodejs_10x-armbian-arm64-opt.yml b/taskcluster/test-nodejs_10x-armbian-arm64-opt.yml
index ee0e025c..8c3cf5ac 100644
--- a/taskcluster/test-nodejs_10x-armbian-arm64-opt.yml
+++ b/taskcluster/test-nodejs_10x-armbian-arm64-opt.yml
@@ -11,4 +11,4 @@ build:
     tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node_tflite-tests.sh 10.x 16k"
   metadata:
     name: "DeepSpeech ARMbian ARM64 Cortex-A53 CPU NodeJS 10.x tests"
-    description: "Testing DeepSpeech forARMbian ARM64 Cortex-A53 on NodeJS v10.x, CPU only, optimized version"
+    description: "Testing DeepSpeech for ARMbian ARM64 Cortex-A53 on NodeJS v10.x, CPU only, optimized version"
diff --git a/taskcluster/test-nodejs_11x-armbian-arm64-opt.yml b/taskcluster/test-nodejs_11x-armbian-arm64-opt.yml
index e08c8773..f7af3d3b 100644
--- a/taskcluster/test-nodejs_11x-armbian-arm64-opt.yml
+++ b/taskcluster/test-nodejs_11x-armbian-arm64-opt.yml
@@ -11,4 +11,4 @@ build:
     tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node_tflite-tests.sh 11.x 16k"
   metadata:
     name: "DeepSpeech ARMbian ARM64 Cortex-A53 CPU NodeJS 11.x tests"
-    description: "Testing DeepSpeech forARMbian ARM64 Cortex-A53 on NodeJS v11.x, CPU only, optimized version"
+    description: "Testing DeepSpeech for ARMbian ARM64 Cortex-A53 on NodeJS v11.x, CPU only, optimized version"
diff --git a/taskcluster/test-nodejs_12x-armbian-arm64-opt.yml b/taskcluster/test-nodejs_12x-armbian-arm64-opt.yml
index a83b2bb1..db647ce0 100644
--- a/taskcluster/test-nodejs_12x-armbian-arm64-opt.yml
+++ b/taskcluster/test-nodejs_12x-armbian-arm64-opt.yml
@@ -11,4 +11,4 @@ build:
     tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node_tflite-tests.sh 12.x 16k"
   metadata:
     name: "DeepSpeech ARMbian ARM64 Cortex-A53 CPU NodeJS 12.x tests"
-    description: "Testing DeepSpeech forARMbian ARM64 Cortex-A53 on NodeJS v12.x, CPU only, optimized version"
+    description: "Testing DeepSpeech for ARMbian ARM64 Cortex-A53 on NodeJS v12.x, CPU only, optimized version"
diff --git a/taskcluster/test-nodejs_13x-armbian-arm64-opt.yml b/taskcluster/test-nodejs_13x-armbian-arm64-opt.yml
index 7681bb7a..cadffe01 100644
--- a/taskcluster/test-nodejs_13x-armbian-arm64-opt.yml
+++ b/taskcluster/test-nodejs_13x-armbian-arm64-opt.yml
@@ -11,4 +11,4 @@ build:
     tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node_tflite-tests.sh 13.x 16k"
   metadata:
     name: "DeepSpeech ARMbian ARM64 Cortex-A53 CPU NodeJS 13.x tests"
-    description: "Testing DeepSpeech forARMbian ARM64 Cortex-A53 on NodeJS v13.x, CPU only, optimized version"
+    description: "Testing DeepSpeech for ARMbian ARM64 Cortex-A53 on NodeJS v13.x, CPU only, optimized version"
diff --git a/taskcluster/test-nodejs_13x_multiarchpkg-armbian-arm64-opt.yml b/taskcluster/test-nodejs_13x_multiarchpkg-armbian-arm64-opt.yml
index c62a40ca..47f01a89 100644
--- a/taskcluster/test-nodejs_13x_multiarchpkg-armbian-arm64-opt.yml
+++ b/taskcluster/test-nodejs_13x_multiarchpkg-armbian-arm64-opt.yml
@@ -11,4 +11,4 @@ build:
     tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node_tflite-tests.sh 13.x 16k"
   metadata:
     name: "DeepSpeech ARMbian ARM64 Cortex-A53 CPU NodeJS MultiArch Package 13.x tests"
-    description: "Testing DeepSpeech forARMbian ARM64 Cortex-A53 on NodeJS MultiArch Package v13.x, CPU only, optimized version"
+    description: "Testing DeepSpeech for ARMbian ARM64 Cortex-A53 on NodeJS MultiArch Package v13.x, CPU only, optimized version"
diff --git a/taskcluster/test-nodejs_14x-armbian-arm64-opt.yml b/taskcluster/test-nodejs_14x-armbian-arm64-opt.yml
new file mode 100644
index 00000000..db09c287
--- /dev/null
+++ b/taskcluster/test-nodejs_14x-armbian-arm64-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-armbian-opt-base.tyml
+  dependencies:
+    - "linux-arm64-cpu-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.packages_buster.prep_14} && ${nodejs.packages_buster.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_buster.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node_tflite-tests.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech ARMbian ARM64 Cortex-A53 CPU NodeJS 14.x tests"
+    description: "Testing DeepSpeech for ARMbian ARM64 Cortex-A53 on NodeJS v14.x, CPU only, optimized version"
diff --git a/taskcluster/test-nodejs_14x-darwin-amd64-opt.yml b/taskcluster/test-nodejs_14x-darwin-amd64-opt.yml
new file mode 100644
index 00000000..8cf3f96f
--- /dev/null
+++ b/taskcluster/test-nodejs_14x-darwin-amd64-opt.yml
@@ -0,0 +1,15 @@
+build:
+  template_file: test-darwin-opt-base.tyml
+  dependencies:
+    - "darwin-amd64-cpu-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+    - "homebrew_tests-darwin-amd64"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.brew.prep_14}
+  args:
+    tests_cmdline: "$TASKCLUSTER_TASK_DIR/DeepSpeech/ds/taskcluster/tc-node-tests.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech OSX AMD64 CPU NodeJS 14.x tests"
+    description: "Testing DeepSpeech for OSX/AMD64 on NodeJS v14.x, CPU only, optimized version"
diff --git a/taskcluster/test-nodejs_14x-raspbian-rpi3-opt.yml b/taskcluster/test-nodejs_14x-raspbian-rpi3-opt.yml
new file mode 100644
index 00000000..22ab6195
--- /dev/null
+++ b/taskcluster/test-nodejs_14x-raspbian-rpi3-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-raspbian-opt-base.tyml
+  dependencies:
+    - "linux-rpi3-cpu-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.packages_buster.prep_14} && ${nodejs.packages_buster.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_buster.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node_tflite-tests.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech Raspbian RPi3/ARMv7 CPU NodeJS 14.x tests"
+    description: "Testing DeepSpeech for Raspbian RPi3/ARMv7 on NodeJS v14.x, CPU only, optimized version"
diff --git a/taskcluster/test-nodejs_14x-win-amd64-opt.yml b/taskcluster/test-nodejs_14x-win-amd64-opt.yml
new file mode 100644
index 00000000..57a4397f
--- /dev/null
+++ b/taskcluster/test-nodejs_14x-win-amd64-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-win-opt-base.tyml
+  dependencies:
+    - "win-amd64-cpu-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${system.sox_win} && ${nodejs.win.prep_14}
+  args:
+    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/taskcluster/tc-node-tests.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CPU NodeJS 14.x tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on NodeJS v14.x, CPU only, optimized version"
diff --git a/taskcluster/test-nodejs_14x_16k-linux-amd64-opt.yml b/taskcluster/test-nodejs_14x_16k-linux-amd64-opt.yml
new file mode 100644
index 00000000..84b77785
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_16k-linux-amd64-opt.yml
@@ -0,0 +1,15 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  docker_image: "ubuntu:16.04"
+  dependencies:
+    - "linux-amd64-cpu-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.packages_xenial.prep_14} && ${nodejs.packages_xenial.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node-tests.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU NodeJS 14.x tests (16kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on NodeJS v14.x, CPU only, optimized version (16kHz)"
diff --git a/taskcluster/test-nodejs_14x_16k-linux-amd64-prod_pbmodel-opt.yml b/taskcluster/test-nodejs_14x_16k-linux-amd64-prod_pbmodel-opt.yml
new file mode 100644
index 00000000..0d195a45
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_16k-linux-amd64-prod_pbmodel-opt.yml
@@ -0,0 +1,13 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  docker_image: "ubuntu:16.04"
+  dependencies:
+    - "linux-amd64-cpu-opt"
+  system_setup:
+    >
+      ${nodejs.packages_xenial.prep_14} && ${nodejs.packages_xenial.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node-tests-prod.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU NodeJS 14.x prod tests (16kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on NodeJS v14.x on prod model, CPU only, optimized version (16kHz)"
diff --git a/taskcluster/test-nodejs_14x_16k_multiarchpkg-linux-amd64-opt.yml b/taskcluster/test-nodejs_14x_16k_multiarchpkg-linux-amd64-opt.yml
new file mode 100644
index 00000000..4c1c5fa7
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_16k_multiarchpkg-linux-amd64-opt.yml
@@ -0,0 +1,15 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  docker_image: "ubuntu:16.04"
+  dependencies:
+    - "node-package-cpu"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.packages_xenial.prep_14} && ${nodejs.packages_xenial.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node-tests.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU NodeJS MultiArch Package 14.x tests (16kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on NodeJS MultiArch Package v14.x, CPU only, optimized version (16kHz)"
diff --git a/taskcluster/test-nodejs_14x_16k_multiarchpkg-linux-amd64-prod_pbmodel-opt.yml b/taskcluster/test-nodejs_14x_16k_multiarchpkg-linux-amd64-prod_pbmodel-opt.yml
new file mode 100644
index 00000000..2f51e579
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_16k_multiarchpkg-linux-amd64-prod_pbmodel-opt.yml
@@ -0,0 +1,13 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  docker_image: "ubuntu:16.04"
+  dependencies:
+    - "node-package-cpu"
+  system_setup:
+    >
+      ${nodejs.packages_xenial.prep_14} && ${nodejs.packages_xenial.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node-tests-prod.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU NodeJS MultiArch Package 14.x prod tests (16kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on NodeJS MultiArch Package v14.x on prod model, CPU only, optimized version (16kHz)"
diff --git a/taskcluster/test-nodejs_14x_16k_multiarchpkg-linux-tflite-opt.yml b/taskcluster/test-nodejs_14x_16k_multiarchpkg-linux-tflite-opt.yml
new file mode 100644
index 00000000..ef8b1f66
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_16k_multiarchpkg-linux-tflite-opt.yml
@@ -0,0 +1,15 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  docker_image: "ubuntu:16.04"
+  dependencies:
+    - "node-package-tflite"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.packages_xenial.prep_14} && ${nodejs.packages_xenial.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node_tflite-tests.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech Linux AMD64 TFLite NodeJS MultiArch Package 14.x tests (16kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on NodeJS MultiArch Package v14.x, TFLite only, optimized version (16kHz)"
diff --git a/taskcluster/test-nodejs_14x_16k_tflite-linux-amd64-prod-opt.yml b/taskcluster/test-nodejs_14x_16k_tflite-linux-amd64-prod-opt.yml
new file mode 100644
index 00000000..57e2d23a
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_16k_tflite-linux-amd64-prod-opt.yml
@@ -0,0 +1,13 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  docker_image: "ubuntu:16.04"
+  dependencies:
+    - "linux-amd64-tflite-opt"
+  system_setup:
+    >
+      ${nodejs.packages_xenial.prep_14} && ${nodejs.packages_xenial.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node_tflite-tests-prod.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech Linux AMD64 TFLite NodeJS 14.x prod tests (16kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on NodeJS v14.x on prod model, TFLite, optimized version (16kHz)"
diff --git a/taskcluster/test-nodejs_14x_8k-linux-amd64-opt.yml b/taskcluster/test-nodejs_14x_8k-linux-amd64-opt.yml
new file mode 100644
index 00000000..9f064566
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_8k-linux-amd64-opt.yml
@@ -0,0 +1,15 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  docker_image: "ubuntu:16.04"
+  dependencies:
+    - "linux-amd64-cpu-opt"
+    - "test-training_8k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_8k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.packages_xenial.prep_14} && ${nodejs.packages_xenial.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node-tests.sh 14.x 8k"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU NodeJS 14.x tests (8kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on NodeJS v14.x, CPU only, optimized version (8kHz)"
diff --git a/taskcluster/test-nodejs_14x_8k-linux-amd64-prod_pbmodel-opt.yml b/taskcluster/test-nodejs_14x_8k-linux-amd64-prod_pbmodel-opt.yml
new file mode 100644
index 00000000..a90c7dfe
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_8k-linux-amd64-prod_pbmodel-opt.yml
@@ -0,0 +1,13 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  docker_image: "ubuntu:16.04"
+  dependencies:
+    - "linux-amd64-cpu-opt"
+  system_setup:
+    >
+      ${nodejs.packages_xenial.prep_14} && ${nodejs.packages_xenial.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node-tests-prod.sh 14.x 8k"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU NodeJS 14.x prod tests (8kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on NodeJS v14.x on prod model, CPU only, optimized version (8kHz)"
diff --git a/taskcluster/test-nodejs_14x_8k_multiarchpkg-linux-amd64-opt.yml b/taskcluster/test-nodejs_14x_8k_multiarchpkg-linux-amd64-opt.yml
new file mode 100644
index 00000000..595bf5dd
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_8k_multiarchpkg-linux-amd64-opt.yml
@@ -0,0 +1,15 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  docker_image: "ubuntu:16.04"
+  dependencies:
+    - "node-package-cpu"
+    - "test-training_8k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_8k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.packages_xenial.prep_14} && ${nodejs.packages_xenial.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node-tests.sh 14.x 8k"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU NodeJS MultiArch Package 14.x tests (8kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on NodeJS MultiArch Package v14.x, CPU only, optimized version (8kHz)"
diff --git a/taskcluster/test-nodejs_14x_8k_multiarchpkg-linux-amd64-prod_pbmodel-opt.yml b/taskcluster/test-nodejs_14x_8k_multiarchpkg-linux-amd64-prod_pbmodel-opt.yml
new file mode 100644
index 00000000..a66a9345
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_8k_multiarchpkg-linux-amd64-prod_pbmodel-opt.yml
@@ -0,0 +1,13 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  docker_image: "ubuntu:16.04"
+  dependencies:
+    - "node-package-cpu"
+  system_setup:
+    >
+      ${nodejs.packages_xenial.prep_14} && ${nodejs.packages_xenial.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node-tests-prod.sh 14.x 8k"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU NodeJS MultiArch Package 14.x prod tests (8kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on NodeJS MultiArch Package v14.x on prod model, CPU only, optimized version (8kHz)"
diff --git a/taskcluster/test-nodejs_14x_8k_multiarchpkg-linux-tflite-opt.yml b/taskcluster/test-nodejs_14x_8k_multiarchpkg-linux-tflite-opt.yml
new file mode 100644
index 00000000..3f7db2d5
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_8k_multiarchpkg-linux-tflite-opt.yml
@@ -0,0 +1,15 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  docker_image: "ubuntu:16.04"
+  dependencies:
+    - "node-package-tflite"
+    - "test-training_8k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_8k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.packages_xenial.prep_14} && ${nodejs.packages_xenial.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node_tflite-tests.sh 14.x 8k"
+  metadata:
+    name: "DeepSpeech Linux AMD64 TFLite NodeJS MultiArch Package 14.x tests (8kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on NodeJS MultiArch Package v14.x, TFLite only, optimized version (8kHz)"
diff --git a/taskcluster/test-nodejs_14x_8k_tflite-linux-amd64-prod-opt.yml b/taskcluster/test-nodejs_14x_8k_tflite-linux-amd64-prod-opt.yml
new file mode 100644
index 00000000..01da67be
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_8k_tflite-linux-amd64-prod-opt.yml
@@ -0,0 +1,13 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  docker_image: "ubuntu:16.04"
+  dependencies:
+    - "linux-amd64-tflite-opt"
+  system_setup:
+    >
+      ${nodejs.packages_xenial.prep_14} && ${nodejs.packages_xenial.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node_tflite-tests-prod.sh 14.x 8k"
+  metadata:
+    name: "DeepSpeech Linux AMD64 TFLite NodeJS 14.x prod tests (8kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on NodeJS v14.x on prod model, TFLite, optimized version (8kHz)"
diff --git a/taskcluster/test-nodejs_14x_multiarchpkg-armbian-arm64-opt.yml b/taskcluster/test-nodejs_14x_multiarchpkg-armbian-arm64-opt.yml
new file mode 100644
index 00000000..6debe667
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_multiarchpkg-armbian-arm64-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-armbian-opt-base.tyml
+  dependencies:
+    - "node-package-cpu"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.packages_buster.prep_14} && ${nodejs.packages_buster.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_buster.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node_tflite-tests.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech ARMbian ARM64 Cortex-A53 CPU NodeJS MultiArch Package 14.x tests"
+    description: "Testing DeepSpeech for ARMbian ARM64 Cortex-A53 on NodeJS MultiArch Package v14.x, CPU only, optimized version"
diff --git a/taskcluster/test-nodejs_14x_multiarchpkg-darwin-amd64-opt.yml b/taskcluster/test-nodejs_14x_multiarchpkg-darwin-amd64-opt.yml
new file mode 100644
index 00000000..3c7a9cbf
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_multiarchpkg-darwin-amd64-opt.yml
@@ -0,0 +1,15 @@
+build:
+  template_file: test-darwin-opt-base.tyml
+  dependencies:
+    - "node-package-cpu"
+    - "test-training_16k-linux-amd64-py36m-opt"
+    - "homebrew_tests-darwin-amd64"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.brew.prep_14}
+  args:
+    tests_cmdline: "$TASKCLUSTER_TASK_DIR/DeepSpeech/ds/taskcluster/tc-node-tests.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech OSX AMD64 CPU NodeJS MultiArch Package 14.x tests"
+    description: "Testing DeepSpeech for OSX/AMD64 on NodeJS MultiArch Package v14.x, CPU only, optimized version"
diff --git a/taskcluster/test-nodejs_14x_multiarchpkg-darwin-tflite-opt.yml b/taskcluster/test-nodejs_14x_multiarchpkg-darwin-tflite-opt.yml
new file mode 100644
index 00000000..9d5aa2f1
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_multiarchpkg-darwin-tflite-opt.yml
@@ -0,0 +1,15 @@
+build:
+  template_file: test-darwin-opt-base.tyml
+  dependencies:
+    - "node-package-tflite"
+    - "test-training_16k-linux-amd64-py36m-opt"
+    - "homebrew_tests-darwin-amd64"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.brew.prep_14}
+  args:
+    tests_cmdline: "$TASKCLUSTER_TASK_DIR/DeepSpeech/ds/taskcluster/tc-node_tflite-tests.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech OSX AMD64 TFLite NodeJS MultiArch Package 14.x tests"
+    description: "Testing DeepSpeech for OSX/AMD64 on NodeJS MultiArch Package v14.x, TFLite only, optimized version"
diff --git a/taskcluster/test-nodejs_14x_multiarchpkg-raspbian-rpi3-opt.yml b/taskcluster/test-nodejs_14x_multiarchpkg-raspbian-rpi3-opt.yml
new file mode 100644
index 00000000..6fb29de1
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_multiarchpkg-raspbian-rpi3-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-raspbian-opt-base.tyml
+  dependencies:
+    - "node-package-cpu"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${nodejs.packages_buster.prep_14} && ${nodejs.packages_buster.apt_pinning} && apt-get -qq update && apt-get -qq -y install ${nodejs.packages_buster.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-node_tflite-tests.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech Raspbian RPi3/ARMv7 CPU NodeJS MultiArch Package 14.x tests"
+    description: "Testing DeepSpeech for Raspbian RPi3/ARMv7 on NodeJS MultiArch Package v14.x, CPU only, optimized version"
diff --git a/taskcluster/test-nodejs_14x_multiarchpkg-win-amd64-opt.yml b/taskcluster/test-nodejs_14x_multiarchpkg-win-amd64-opt.yml
new file mode 100644
index 00000000..bd7de4d9
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_multiarchpkg-win-amd64-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-win-opt-base.tyml
+  dependencies:
+    - "node-package-cpu"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${system.sox_win} && ${nodejs.win.prep_14}
+  args:
+    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/taskcluster/tc-node-tests.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CPU NodeJS MultiArch Package 14.x tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on NodeJS MultiArch Package v14.x, CPU only, optimized version"
diff --git a/taskcluster/test-nodejs_14x_multiarchpkg-win-cuda-opt.yml b/taskcluster/test-nodejs_14x_multiarchpkg-win-cuda-opt.yml
new file mode 100644
index 00000000..733afc8f
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_multiarchpkg-win-cuda-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-win-cuda-opt-base.tyml
+  dependencies:
+    - "node-package-gpu"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${system.sox_win} && ${nodejs.win.prep_14}
+  args:
+    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/taskcluster/tc-node-tests.sh 14.x 16k cuda"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CUDA NodeJS MultiArch Package 14.x tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on NodeJS MultiArch Package v14.x, CUDA, optimized version"
diff --git a/taskcluster/test-nodejs_14x_multiarchpkg-win-tflite-opt.yml b/taskcluster/test-nodejs_14x_multiarchpkg-win-tflite-opt.yml
new file mode 100644
index 00000000..f2721d6c
--- /dev/null
+++ b/taskcluster/test-nodejs_14x_multiarchpkg-win-tflite-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-win-opt-base.tyml
+  dependencies:
+    - "node-package-tflite"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${system.sox_win} && ${nodejs.win.prep_14}
+  args:
+    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/taskcluster/tc-node_tflite-tests.sh 14.x 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 TFLite NodeJS MultiArch Package 14.x tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on NodeJS MultiArch Package v14.x, TFLite only, optimized version"