diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index 5291d109bc..3c8317f179 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -42,7 +42,7 @@ jobs:
           sudo apt-get install -y --no-install-recommends autoconf automake bison build-essential mingw-w64
         if: steps.swig-build-cache.outputs.cache-hit != 'true'
       - run: |
-          curl -sSL https://ftp.pcre.org/pub/pcre/pcre-8.43.tar.gz > pcre-8.43.tar.gz
+          curl -sSL https://sourceforge.net/projects/pcre/files/pcre/8.43/pcre-8.43.tar.gz/download > pcre-8.43.tar.gz
         if: steps.swig-build-cache.outputs.cache-hit != 'true'
       - run: |
           ./Tools/pcre-build.sh --host=x86_64-w64-mingw32
@@ -87,7 +87,7 @@ jobs:
           sudo apt-get install -y --no-install-recommends autoconf automake bison build-essential
         if: steps.swig-build-cache.outputs.cache-hit != 'true'
       - run: |
-          curl -sSL https://ftp.pcre.org/pub/pcre/pcre-8.43.tar.gz > pcre-8.43.tar.gz
+          curl -sSL https://sourceforge.net/projects/pcre/files/pcre/8.43/pcre-8.43.tar.gz/download > pcre-8.43.tar.gz
         if: steps.swig-build-cache.outputs.cache-hit != 'true'
       - run: |
           ./Tools/pcre-build.sh
@@ -394,7 +394,7 @@ jobs:
       - uses: ./.github/actions/node-build
         with:
           nodejs_versions: "10.0.0 11.0.0 12.7.0 13.0.0 14.0.0 15.0.0 16.0.0"
-          electronjs_versions: "5.0.13 6.0.12 6.1.7 7.0.1 7.1.8 8.0.1 9.0.1 9.1.0 9.2.0 10.0.0 10.1.0 11.0.0 12.0.0"
+          electronjs_versions: "5.0.13 6.0.12 6.1.7 7.0.1 7.1.8 8.0.1 9.0.1 9.1.0 9.2.0 10.0.0 10.1.0 11.0.0 12.0.0 13.6.1 14.2.1 15.3.1"
       - uses: actions/upload-artifact@v2
         with:
           name: "nodewrapper-${{ matrix.build-flavor }}-Linux_amd64.tar.gz"
@@ -554,7 +554,7 @@ jobs:
     if: ${{ github.event_name == 'pull_request' }}
     strategy:
       matrix:
-        electronjs-version: [5.0.13, 6.1.7, 7.1.8, 8.0.1, 9.2.0, 10.1.0, 11.0.0, 12.0.0]
+        electronjs-version: [5.0.13, 6.1.7, 7.1.8, 8.0.1, 9.2.0, 10.1.0, 11.0.0, 12.0.0, 13.6.1, 14.2.1, 15.3.1]
         build-flavor: ["tf", "tflite"]
         models: ["test"]
         bitrate: ["16k"]
@@ -625,7 +625,7 @@ jobs:
           brew install automake
         if: steps.swig-build-cache.outputs.cache-hit != 'true'
       - run: |
-          curl -sSL https://ftp.pcre.org/pub/pcre/pcre-8.43.tar.gz > pcre-8.43.tar.gz
+          curl -sSL https://sourceforge.net/projects/pcre/files/pcre/8.43/pcre-8.43.tar.gz/download > pcre-8.43.tar.gz
         if: steps.swig-build-cache.outputs.cache-hit != 'true'
       - run: |
           ./Tools/pcre-build.sh
@@ -938,7 +938,7 @@ jobs:
       - uses: ./.github/actions/node-build
         with:
           nodejs_versions: "10.0.0 11.0.0 12.7.0 13.0.0 14.0.0 15.0.0 16.0.0"
-          electronjs_versions: "5.0.13 6.0.12 6.1.7 7.0.1 7.1.8 8.0.1 9.0.1 9.1.0 9.2.0 10.0.0 10.1.0 11.0.0 12.0.0"
+          electronjs_versions: "5.0.13 6.0.12 6.1.7 7.0.1 7.1.8 8.0.1 9.0.1 9.1.0 9.2.0 10.0.0 10.1.0 11.0.0 12.0.0 13.6.1 14.2.1 15.3.1"
       - uses: actions/upload-artifact@v2
         with:
           name: "nodewrapper-${{ matrix.build-flavor }}-macOS_amd64.tar.gz"
@@ -1094,7 +1094,7 @@ jobs:
     if: ${{ github.event_name == 'pull_request' }}
     strategy:
       matrix:
-        electronjs-version: [5.0.13, 6.1.7, 7.1.8, 8.0.1, 9.2.0, 10.1.0, 11.0.0, 12.0.0]
+        electronjs-version: [5.0.13, 6.1.7, 7.1.8, 8.0.1, 9.2.0, 10.1.0, 11.0.0, 12.0.0, 13.6.1, 14.2.1, 15.3.1]
         build-flavor: ["tf", "tflite"]
         models: ["test"]
         bitrate: ["16k"]
@@ -1424,7 +1424,7 @@ jobs:
       - uses: ./.github/actions/node-build
         with:
           nodejs_versions: "10.0.0 11.0.0 12.7.0 13.0.0 14.0.0 15.0.0 16.0.0"
-          electronjs_versions: "5.0.13 6.0.12 6.1.7 7.0.1 7.1.8 8.0.1 9.0.1 9.1.0 9.2.0 10.0.0 10.1.0 11.0.0 12.0.0"
+          electronjs_versions: "5.0.13 6.0.12 6.1.7 7.0.1 7.1.8 8.0.1 9.0.1 9.1.0 9.2.0 10.0.0 10.1.0 11.0.0 12.0.0 13.6.1 14.2.1 15.3.1"
       - uses: actions/upload-artifact@v2
         with:
           name: "nodewrapper-${{ matrix.build-flavor }}-Windows_amd64.tar.gz"
@@ -1610,7 +1610,7 @@ jobs:
     if: ${{ github.event_name == 'pull_request' }}
     strategy:
       matrix:
-        electronjs-version: [5.0.13, 6.1.7, 7.1.8, 8.0.1, 9.2.0, 10.1.0, 11.0.0, 12.0.0]
+        electronjs-version: [5.0.13, 6.1.7, 7.1.8, 8.0.1, 9.2.0, 10.1.0, 11.0.0, 12.0.0, 13.6.1, 14.2.1, 15.3.1]
         build-flavor: ["tf", "tflite"]
         models: ["test"]
         bitrate: ["16k"]
@@ -1791,7 +1791,7 @@ jobs:
     if: ${{ github.event_name == 'pull_request' }}
     strategy:
       matrix:
-        electronjs-version: [5.0.13, 12.0.0]
+        electronjs-version: [5.0.13, 15.3.1]
         build-flavor: ["tf", "tflite"]
         models: ["test", "prod"]
         bitrate: ["8k", "16k"]
@@ -1901,7 +1901,7 @@ jobs:
     if: ${{ github.event_name == 'pull_request' }}
     strategy:
       matrix:
-        electronjs-version: [5.0.13, 12.0.0]
+        electronjs-version: [5.0.13, 15.3.1]
         build-flavor: ["tf", "tflite"]
         models: ["test", "prod"]
         bitrate: ["8k", "16k"]
@@ -2021,7 +2021,7 @@ jobs:
     if: ${{ github.event_name == 'pull_request' }}
     strategy:
       matrix:
-        electronjs-version: [5.0.13, 12.0.0]
+        electronjs-version: [5.0.13, 15.3.1]
         build-flavor: ["tf", "tflite"]
         models: ["test", "prod"]
         bitrate: ["8k", "16k"]
@@ -2421,7 +2421,7 @@ jobs:
       - uses: ./.github/actions/node-build
         with:
           nodejs_versions: "10.0.0 11.0.0 12.7.0 13.0.0 14.0.0 15.0.0"
-          electronjs_versions: "5.0.13 6.0.12 6.1.7 7.0.1 7.1.8 8.0.1 9.0.1 9.1.0 9.2.0 10.0.0 10.1.0 11.0.0 12.0.0"
+          electronjs_versions: "5.0.13 6.0.12 6.1.7 7.0.1 7.1.8 8.0.1 9.0.1 9.1.0 9.2.0 10.0.0 10.1.0 11.0.0 12.0.0 13.6.1 14.2.1 15.3.1"
           target: ${{ env.SYSTEM_TARGET }}
           chroot: ${{ env.SYSTEM_RASPBIAN }}
       - uses: actions/upload-artifact@v2
@@ -2578,7 +2578,7 @@ jobs:
       - uses: ./.github/actions/node-build
         with:
           nodejs_versions: "10.0.0 11.0.0 12.7.0 13.0.0 14.0.0 15.0.0"
-          electronjs_versions: "5.0.13 6.0.12 6.1.7 7.0.1 7.1.8 8.0.1 9.0.1 9.1.0 9.2.0 10.0.0 10.1.0 11.0.0 12.0.0"
+          electronjs_versions: "5.0.13 6.0.12 6.1.7 7.0.1 7.1.8 8.0.1 9.0.1 9.1.0 9.2.0 10.0.0 10.1.0 11.0.0 12.0.0 13.6.1 14.2.1 15.3.1"
           target: ${{ env.SYSTEM_TARGET }}
           chroot: ${{ env.SYSTEM_RASPBIAN }}
       - uses: actions/upload-artifact@v2
@@ -2818,7 +2818,7 @@ jobs:
     strategy:
       matrix:
         arch: [ "armv7", "aarch64" ]
-        electronjs-version: [5.0.13, 6.1.7, 7.1.8, 8.0.1, 9.2.0, 10.1.0, 11.0.0, 12.0.0]
+        electronjs-version: [5.0.13, 6.1.7, 7.1.8, 8.0.1, 9.2.0, 10.1.0, 11.0.0, 12.0.0, 13.6.1, 14.2.1, 15.3.1]
         build-flavor: ["tflite"]
         models: ["test"]
         bitrate: ["16k"]
diff --git a/taskcluster/tc-all-vars.sh b/taskcluster/tc-all-vars.sh
index e3bf6192fd..d9e41e9750 100755
--- a/taskcluster/tc-all-vars.sh
+++ b/taskcluster/tc-all-vars.sh
@@ -95,4 +95,4 @@ SUPPORTED_PYTHON_VERSIONS=${SUPPORTED_PYTHON_VERSIONS:-3.5.8:ucs2 3.6.10:ucs2 3.
 SUPPORTED_NODEJS_BUILD_VERSIONS=${SUPPORTED_NODEJS_BUILD_VERSIONS:-10.0.0 11.0.0 12.7.0 13.0.0 14.0.0 15.0.0}
 SUPPORTED_NODEJS_TESTS_VERSIONS=${SUPPORTED_NODEJS_TESTS_VERSIONS:-10.20.1 11.15.0 12.17.0 13.14.0 14.3.0 15.0.0}
 
-SUPPORTED_ELECTRONJS_VERSIONS=${SUPPORTED_ELECTRONJS_VERSIONS:-5.0.13 6.0.12 6.1.7 7.0.1 7.1.8 8.0.1 9.0.1 9.1.0 9.2.0 10.0.0 10.1.0 11.0.0 12.0.0}
+SUPPORTED_ELECTRONJS_VERSIONS=${SUPPORTED_ELECTRONJS_VERSIONS:-5.0.13 6.0.12 6.1.7 7.0.1 7.1.8 8.0.1 9.0.1 9.1.0 9.2.0 10.0.0 10.1.0 11.0.0 12.0.0 13.6.1 14.2.1 15.3.1}
\ No newline at end of file
diff --git a/taskcluster/test-electronjs_v13.6-darwin-amd64-opt.yml b/taskcluster/test-electronjs_v13.6-darwin-amd64-opt.yml
new file mode 100644
index 0000000000..2905149ff3
--- /dev/null
+++ b/taskcluster/test-electronjs_v13.6-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 13.6.1 16k"
+  metadata:
+    name: "DeepSpeech OSX AMD64 CPU ElectronJS v13.6 tests"
+    description: "Testing DeepSpeech for OSX/AMD64 on ElectronJS v13.6, CPU only, optimized version"
diff --git a/taskcluster/test-electronjs_v13.6-win-amd64-opt.yml b/taskcluster/test-electronjs_v13.6-win-amd64-opt.yml
new file mode 100644
index 0000000000..929a9452d5
--- /dev/null
+++ b/taskcluster/test-electronjs_v13.6-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 13.6.1 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CPU ElectronJS v13.6 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS v13.6, CPU only, optimized version"
diff --git a/taskcluster/test-electronjs_v13.6_16k-linux-amd64-opt.yml b/taskcluster/test-electronjs_v13.6_16k-linux-amd64-opt.yml
new file mode 100644
index 0000000000..4f80aec93b
--- /dev/null
+++ b/taskcluster/test-electronjs_v13.6_16k-linux-amd64-opt.yml
@@ -0,0 +1,16 @@
+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 13.6.1 16k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU ElectronJS v13.6 tests (16kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on ElectronJS v13.6, CPU only, optimized version (16kHz)"
diff --git a/taskcluster/test-electronjs_v13.6_8k-linux-amd64-opt.yml b/taskcluster/test-electronjs_v13.6_8k-linux-amd64-opt.yml
new file mode 100644
index 0000000000..dc45e7c9c9
--- /dev/null
+++ b/taskcluster/test-electronjs_v13.6_8k-linux-amd64-opt.yml
@@ -0,0 +1,16 @@
+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 13.6.1 8k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU ElectronJS v13.6 tests (8kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on ElectronJS v13.6, CPU only, optimized version (8kHz)"
diff --git a/taskcluster/test-electronjs_v13.6_multiarchpkg-win-amd64-opt.yml b/taskcluster/test-electronjs_v13.6_multiarchpkg-win-amd64-opt.yml
new file mode 100644
index 0000000000..e3f375c8b1
--- /dev/null
+++ b/taskcluster/test-electronjs_v13.6_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 13.6.1 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CPU ElectronJS MultiArch Package v13.6 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS MultiArch Package v13.6, CPU only, optimized version"
diff --git a/taskcluster/test-electronjs_v13.6_multiarchpkg-win-cuda-opt.yml b/taskcluster/test-electronjs_v13.6_multiarchpkg-win-cuda-opt.yml
new file mode 100644
index 0000000000..3db39de664
--- /dev/null
+++ b/taskcluster/test-electronjs_v13.6_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 13.6.1 16k cuda"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CUDA ElectronJS MultiArch Package v13.6 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS MultiArch Package v13.6, CUDA, optimized version"
diff --git a/taskcluster/test-electronjs_v13.6_multiarchpkg-win-tflite-opt.yml b/taskcluster/test-electronjs_v13.6_multiarchpkg-win-tflite-opt.yml
new file mode 100644
index 0000000000..3be5ae9ee4
--- /dev/null
+++ b/taskcluster/test-electronjs_v13.6_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 13.6.1 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 TFLite ElectronJS MultiArch Package v13.6 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS MultiArch Package v13.6, TFLite only, optimized version"
diff --git a/taskcluster/test-electronjs_v14.2-darwin-amd64-opt.yml b/taskcluster/test-electronjs_v14.2-darwin-amd64-opt.yml
new file mode 100644
index 0000000000..4fd718168c
--- /dev/null
+++ b/taskcluster/test-electronjs_v14.2-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 14.2.1 16k"
+  metadata:
+    name: "DeepSpeech OSX AMD64 CPU ElectronJS v14.2 tests"
+    description: "Testing DeepSpeech for OSX/AMD64 on ElectronJS v14.2, CPU only, optimized version"
diff --git a/taskcluster/test-electronjs_v14.2-win-amd64-opt.yml b/taskcluster/test-electronjs_v14.2-win-amd64-opt.yml
new file mode 100644
index 0000000000..3611bf1b4e
--- /dev/null
+++ b/taskcluster/test-electronjs_v14.2-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 14.2.1 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CPU ElectronJS v14.2 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS v14.2, CPU only, optimized version"
diff --git a/taskcluster/test-electronjs_v14.2_16k-linux-amd64-opt.yml b/taskcluster/test-electronjs_v14.2_16k-linux-amd64-opt.yml
new file mode 100644
index 0000000000..31b1a24374
--- /dev/null
+++ b/taskcluster/test-electronjs_v14.2_16k-linux-amd64-opt.yml
@@ -0,0 +1,16 @@
+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 14.2.1 16k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU ElectronJS v14.2 tests (16kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on ElectronJS v14.2, CPU only, optimized version (16kHz)"
diff --git a/taskcluster/test-electronjs_v14.2_8k-linux-amd64-opt.yml b/taskcluster/test-electronjs_v14.2_8k-linux-amd64-opt.yml
new file mode 100644
index 0000000000..754c3d3dc6
--- /dev/null
+++ b/taskcluster/test-electronjs_v14.2_8k-linux-amd64-opt.yml
@@ -0,0 +1,16 @@
+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 14.2.1 8k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU ElectronJS v14.2 tests (8kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on ElectronJS v14.2, CPU only, optimized version (8kHz)"
diff --git a/taskcluster/test-electronjs_v14.2_multiarchpkg-win-amd64-opt.yml b/taskcluster/test-electronjs_v14.2_multiarchpkg-win-amd64-opt.yml
new file mode 100644
index 0000000000..7268e37030
--- /dev/null
+++ b/taskcluster/test-electronjs_v14.2_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 14.2.1 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CPU ElectronJS MultiArch Package v14.2 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS MultiArch Package v14.2, CPU only, optimized version"
diff --git a/taskcluster/test-electronjs_v14.2_multiarchpkg-win-cuda-opt.yml b/taskcluster/test-electronjs_v14.2_multiarchpkg-win-cuda-opt.yml
new file mode 100644
index 0000000000..5f22052607
--- /dev/null
+++ b/taskcluster/test-electronjs_v14.2_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 14.2.1 16k cuda"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CUDA ElectronJS MultiArch Package v14.2 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS MultiArch Package v14.2, CUDA, optimized version"
diff --git a/taskcluster/test-electronjs_v14.2_multiarchpkg-win-tflite-opt.yml b/taskcluster/test-electronjs_v14.2_multiarchpkg-win-tflite-opt.yml
new file mode 100644
index 0000000000..da50cb93ca
--- /dev/null
+++ b/taskcluster/test-electronjs_v14.2_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 14.2.1 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 TFLite ElectronJS MultiArch Package v14.2 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS MultiArch Package v14.2, TFLite only, optimized version"
diff --git a/taskcluster/test-electronjs_v15.3-darwin-amd64-opt.yml b/taskcluster/test-electronjs_v15.3-darwin-amd64-opt.yml
new file mode 100644
index 0000000000..5137590b99
--- /dev/null
+++ b/taskcluster/test-electronjs_v15.3-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 15.3.1 16k"
+  metadata:
+    name: "DeepSpeech OSX AMD64 CPU ElectronJS v15.3 tests"
+    description: "Testing DeepSpeech for OSX/AMD64 on ElectronJS v15.3, CPU only, optimized version"
diff --git a/taskcluster/test-electronjs_v15.3-win-amd64-opt.yml b/taskcluster/test-electronjs_v15.3-win-amd64-opt.yml
new file mode 100644
index 0000000000..3a3ac0a2ee
--- /dev/null
+++ b/taskcluster/test-electronjs_v15.3-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 15.3.1 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CPU ElectronJS v15.3 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS v15.3, CPU only, optimized version"
diff --git a/taskcluster/test-electronjs_v15.3_16k-linux-amd64-opt.yml b/taskcluster/test-electronjs_v15.3_16k-linux-amd64-opt.yml
new file mode 100644
index 0000000000..65f3ef5c47
--- /dev/null
+++ b/taskcluster/test-electronjs_v15.3_16k-linux-amd64-opt.yml
@@ -0,0 +1,16 @@
+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 15.3.1 16k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU ElectronJS v15.3 tests (16kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on ElectronJS v15.3, CPU only, optimized version (16kHz)"
diff --git a/taskcluster/test-electronjs_v15.3_8k-linux-amd64-opt.yml b/taskcluster/test-electronjs_v15.3_8k-linux-amd64-opt.yml
new file mode 100644
index 0000000000..d65d86756f
--- /dev/null
+++ b/taskcluster/test-electronjs_v15.3_8k-linux-amd64-opt.yml
@@ -0,0 +1,16 @@
+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 15.3.1 8k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU ElectronJS v15.3 tests (8kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on ElectronJS v15.3, CPU only, optimized version (8kHz)"
diff --git a/taskcluster/test-electronjs_v15.3_multiarchpkg-win-amd64-opt.yml b/taskcluster/test-electronjs_v15.3_multiarchpkg-win-amd64-opt.yml
new file mode 100644
index 0000000000..56e66df3d6
--- /dev/null
+++ b/taskcluster/test-electronjs_v15.3_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 15.3.1 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CPU ElectronJS MultiArch Package v15.3 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS MultiArch Package v15.3, CPU only, optimized version"
diff --git a/taskcluster/test-electronjs_v15.3_multiarchpkg-win-cuda-opt.yml b/taskcluster/test-electronjs_v15.3_multiarchpkg-win-cuda-opt.yml
new file mode 100644
index 0000000000..2f3342fde4
--- /dev/null
+++ b/taskcluster/test-electronjs_v15.3_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 15.3.1 16k cuda"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CUDA ElectronJS MultiArch Package v15.3 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS MultiArch Package v15.3, CUDA, optimized version"
diff --git a/taskcluster/test-electronjs_v15.3_multiarchpkg-win-tflite-opt.yml b/taskcluster/test-electronjs_v15.3_multiarchpkg-win-tflite-opt.yml
new file mode 100644
index 0000000000..df014dbfc3
--- /dev/null
+++ b/taskcluster/test-electronjs_v15.3_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 15.3.1 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 TFLite ElectronJS MultiArch Package v15.3 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on ElectronJS MultiArch Package v15.3, TFLite only, optimized version"