diff --git a/native_client/ctcdecode/Makefile b/native_client/ctcdecode/Makefile
index 8bff277b..87859af1 100644
--- a/native_client/ctcdecode/Makefile
+++ b/native_client/ctcdecode/Makefile
@@ -44,14 +44,14 @@ workspace_status.cc:
 # Enforce PATH here because swig calls from build_ext looses track of some
 # variables over several runs
 bindings: clean-keep-third-party workspace_status.cc ds-swig
-	pip install --quiet $(PYTHON_PACKAGES) wheel==0.33.6 setuptools==39.1.0
+	pip install --quiet $(PYTHON_PACKAGES) wheel==0.33.6 setuptools==45.0.0
 	DISTUTILS_USE_SDK=1 PATH=$(DS_SWIG_BIN_PATH):$(TOOLCHAIN):$$PATH SWIG_LIB="$(SWIG_LIB)" AS=$(AS) CC=$(CC) CXX=$(CXX) LD=$(LD) LIBEXE=$(LIBEXE) CFLAGS="$(CFLAGS) $(CXXFLAGS)" LDFLAGS="$(LDFLAGS_NEEDED)" $(PYTHON_PATH) $(NUMPY_INCLUDE) python ./setup.py build_ext --num_processes $(NUM_PROCESSES) $(PYTHON_PLATFORM_NAME) $(SETUP_FLAGS)
 	find temp_build -type f -name "*.o" -delete
 	DISTUTILS_USE_SDK=1 AS=$(AS) CC=$(CC) CXX=$(CXX) LD=$(LD) LIBEXE=$(LIBEXE) CFLAGS="$(CFLAGS) $(CXXFLAGS)" LDFLAGS="$(LDFLAGS_NEEDED)" $(PYTHON_PATH) $(NUMPY_INCLUDE) python ./setup.py bdist_wheel $(PYTHON_PLATFORM_NAME) $(SETUP_FLAGS)
 	rm -rf temp_build
 
 bindings-debug: clean-keep-third-party workspace_status.cc ds-swig
-	pip install --quiet $(PYTHON_PACKAGES) wheel==0.33.6 setuptools==39.1.0
+	pip install --quiet $(PYTHON_PACKAGES) wheel==0.33.6 setuptools==45.0.0
 	DISTUTILS_USE_SDK=1 PATH=$(DS_SWIG_BIN_PATH):$(TOOLCHAIN):$$PATH SWIG_LIB="$(SWIG_LIB)" AS=$(AS) CC=$(CC) CXX=$(CXX) LD=$(LD) LIBEXE=$(LIBEXE) CFLAGS="$(CFLAGS) $(CXXFLAGS) -DDEBUG" LDFLAGS="$(LDFLAGS_NEEDED)" $(PYTHON_PATH) $(NUMPY_INCLUDE) python ./setup.py build_ext --debug --num_processes $(NUM_PROCESSES) $(PYTHON_PLATFORM_NAME) $(SETUP_FLAGS)
 	$(GENERATE_DEBUG_SYMS)
 	find temp_build -type f -name "*.o" -delete
diff --git a/native_client/python/Makefile b/native_client/python/Makefile
index 7f948649..10924654 100644
--- a/native_client/python/Makefile
+++ b/native_client/python/Makefile
@@ -9,7 +9,7 @@ bindings-clean:
 # Enforce PATH here because swig calls from build_ext looses track of some
 # variables over several runs
 bindings-build: ds-swig
-	pip install --quiet $(PYTHON_PACKAGES) wheel==0.33.6 setuptools==39.1.0
+	pip install --quiet $(PYTHON_PACKAGES) wheel==0.33.6 setuptools==45.0.0
 	DISTUTILS_USE_SDK=1 PATH=$(TOOLCHAIN):$(DS_SWIG_BIN_PATH):$$PATH SWIG_LIB="$(SWIG_LIB)" AS=$(AS) CC=$(CC) CXX=$(CXX) LD=$(LD) CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS_NEEDED) $(RPATH_PYTHON)" MODEL_LDFLAGS="$(LDFLAGS_DIRS)" MODEL_LIBS="$(LIBS)" $(PYTHON_PATH) $(PYTHON_SYSCONFIGDATA) $(NUMPY_INCLUDE) python ./setup.py build_ext $(PYTHON_PLATFORM_NAME)
 
 MANIFEST.in: bindings-build
diff --git a/taskcluster/.shared.yml b/taskcluster/.shared.yml
index cc8651c0..5663ef71 100644
--- a/taskcluster/.shared.yml
+++ b/taskcluster/.shared.yml
@@ -137,14 +137,14 @@ system:
     namespace: 'project.deepspeech.gradle.7'
   pyenv:
     linux:
-      url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.pyenv.linux.9/artifacts/public/pyenv.tar.gz'
-      namespace: 'project.deepspeech.pyenv.linux.9'
+      url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.pyenv.linux.18/artifacts/public/pyenv.tar.gz'
+      namespace: 'project.deepspeech.pyenv.linux.18'
     osx:
-      url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.pyenv.osx.9/artifacts/public/pyenv.tar.gz'
-      namespace: 'project.deepspeech.pyenv.osx.9'
+      url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.pyenv.osx.18/artifacts/public/pyenv.tar.gz'
+      namespace: 'project.deepspeech.pyenv.osx.18'
     win:
-      url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.pyenv.win.8/artifacts/public/pyenv.tar.gz'
-      namespace: 'project.deepspeech.pyenv.win.8'
+      url: 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.pyenv.win.18/artifacts/public/pyenv.tar.gz'
+      namespace: 'project.deepspeech.pyenv.win.18'
   kenlm:
     android_arm64_cpu:
       url: "https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.kenlm.689a25aae9171b3ea46bd80d4189f540f35f1a02.4.android-arm64/artifacts/public/kenlm.tar.gz"
diff --git a/taskcluster/examples-mic_vad_streaming-py38.yml.DISABLED_UNTIL_SCIPY_PY38 b/taskcluster/examples-mic_vad_streaming-py38.yml
similarity index 92%
rename from taskcluster/examples-mic_vad_streaming-py38.yml.DISABLED_UNTIL_SCIPY_PY38
rename to taskcluster/examples-mic_vad_streaming-py38.yml
index 950de353..e1f53fd0 100644
--- a/taskcluster/examples-mic_vad_streaming-py38.yml.DISABLED_UNTIL_SCIPY_PY38
+++ b/taskcluster/examples-mic_vad_streaming-py38.yml
@@ -8,6 +8,7 @@ build:
       apt-get -qq -y install portaudio19-dev pulseaudio
   args:
     tests_cmdline: "${system.homedir.linux}/DeepSpeech/examples/mic_vad_streaming/test.sh 3.8.0:"
+  workerType: "${docker.dsTests}"
   metadata:
     name: "DeepSpeech examples: mic VAD streaming Py3.8"
     description: "DeepSpeech examples: mic VAD streaming Python 3.8"
diff --git a/taskcluster/examples-mic_vad_streaming-py39.yml.DISABLED_UNTIL_SCIPY_PY39 b/taskcluster/examples-mic_vad_streaming-py39.yml.DISABLED_UNTIL_SCIPY_PY39
new file mode 100644
index 00000000..ff78555b
--- /dev/null
+++ b/taskcluster/examples-mic_vad_streaming-py39.yml.DISABLED_UNTIL_SCIPY_PY39
@@ -0,0 +1,14 @@
+build:
+  template_file: examples-base.tyml
+  docker_image: "python:3.9"
+  dependencies:
+    - "linux-amd64-cpu-opt"
+  system_setup:
+    >
+      apt-get -qq -y install portaudio19-dev pulseaudio
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/examples/mic_vad_streaming/test.sh 3.9.0:"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech examples: mic VAD streaming Py3.9"
+    description: "DeepSpeech examples: mic VAD streaming Python 3.9"
diff --git a/taskcluster/examples-vad_transcriber-py35.yml b/taskcluster/examples-vad_transcriber-py35.yml
index ebf891af..dbd4ef12 100644
--- a/taskcluster/examples-vad_transcriber-py35.yml
+++ b/taskcluster/examples-vad_transcriber-py35.yml
@@ -8,4 +8,4 @@ build:
   workerType: "${docker.dsTests}"
   metadata:
     name: "DeepSpeech examples: VAD transcriber Py3.5"
-    description: "DeepSpeech examples: VAD transcriberaming Python 3.5"
+    description: "DeepSpeech examples: VAD transcriber streaming Python 3.5"
diff --git a/taskcluster/examples-vad_transcriber-py36.yml b/taskcluster/examples-vad_transcriber-py36.yml
index a7cdfd48..15df5dde 100644
--- a/taskcluster/examples-vad_transcriber-py36.yml
+++ b/taskcluster/examples-vad_transcriber-py36.yml
@@ -8,4 +8,4 @@ build:
   workerType: "${docker.dsTests}"
   metadata:
     name: "DeepSpeech examples: VAD transcriber Py3.6"
-    description: "DeepSpeech examples: VAD transcriberaming Python 3.6"
+    description: "DeepSpeech examples: VAD transcriber streaming Python 3.6"
diff --git a/taskcluster/examples-vad_transcriber-py37.yml b/taskcluster/examples-vad_transcriber-py37.yml
index c5c4eeca..1b2bcc3c 100644
--- a/taskcluster/examples-vad_transcriber-py37.yml
+++ b/taskcluster/examples-vad_transcriber-py37.yml
@@ -8,4 +8,4 @@ build:
   workerType: "${docker.dsTests}"
   metadata:
     name: "DeepSpeech examples: VAD transcriber Py3.7"
-    description: "DeepSpeech examples: VAD transcriberaming Python 3.7"
+    description: "DeepSpeech examples: VAD transcriber streaming Python 3.7"
diff --git a/taskcluster/examples-vad_transcriber-py38.yml b/taskcluster/examples-vad_transcriber-py38.yml
index 5542ef43..b04358f9 100644
--- a/taskcluster/examples-vad_transcriber-py38.yml
+++ b/taskcluster/examples-vad_transcriber-py38.yml
@@ -8,4 +8,4 @@ build:
   workerType: "${docker.dsTests}"
   metadata:
     name: "DeepSpeech examples: VAD transcriber Py3.8"
-    description: "DeepSpeech examples: VAD transcriberaming Python 3.8"
+    description: "DeepSpeech examples: VAD transcriber streaming Python 3.8"
diff --git a/taskcluster/examples-vad_transcriber-py39.yml b/taskcluster/examples-vad_transcriber-py39.yml
new file mode 100644
index 00000000..50262935
--- /dev/null
+++ b/taskcluster/examples-vad_transcriber-py39.yml
@@ -0,0 +1,11 @@
+build:
+  template_file: examples-base.tyml
+  docker_image: "python:3.9"
+  dependencies:
+    - "linux-amd64-cpu-opt"
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/examples/vad_transcriber/test.sh 3.9.0:"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech examples: VAD transcriber Py3.9"
+    description: "DeepSpeech examples: VAD transcriber streaming Python 3.9"
diff --git a/taskcluster/tc-all-vars.sh b/taskcluster/tc-all-vars.sh
index dd204dbf..432bf7e4 100755
--- a/taskcluster/tc-all-vars.sh
+++ b/taskcluster/tc-all-vars.sh
@@ -16,7 +16,7 @@ if [ "${OS}" = "${TC_MSYS_VERSION}" ]; then
     export DS_CPU_COUNT=$(nproc)
 
     # Those are the versions available on NuGet.org
-    export SUPPORTED_PYTHON_VERSIONS="3.5.4:ucs2 3.6.8:ucs2 3.7.6:ucs2 3.8.1:ucs2"
+    export SUPPORTED_PYTHON_VERSIONS="3.5.4:ucs2 3.6.8:ucs2 3.7.6:ucs2 3.8.1:ucs2 3.9.0:ucs2"
 fi;
 
 if [ "${OS}" = "Darwin" ]; then
@@ -79,7 +79,7 @@ model_source_mmap="$(dirname "${model_source}")/${model_name_mmap}"
 
 ldc93s1_sample_filename=''
 
-SUPPORTED_PYTHON_VERSIONS=${SUPPORTED_PYTHON_VERSIONS:-3.5.8:ucs2 3.6.10:ucs2 3.7.6:ucs2 3.8.1:ucs2}
+SUPPORTED_PYTHON_VERSIONS=${SUPPORTED_PYTHON_VERSIONS:-3.5.8:ucs2 3.6.10:ucs2 3.7.6:ucs2 3.8.1:ucs2 3.9.0:ucs2}
 
 # 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)
diff --git a/taskcluster/tc-py-utils.sh b/taskcluster/tc-py-utils.sh
index 6d573c20..13f92ea7 100755
--- a/taskcluster/tc-py-utils.sh
+++ b/taskcluster/tc-py-utils.sh
@@ -24,7 +24,7 @@ install_pyenv()
   fi
 
   pushd ${PYENV_ROOT}
-    git checkout --quiet 20a1f0cd7a3d2f95800d8e0d5863b4e98f25f4df
+    git checkout --quiet 806b30d6ce5b263a765648fbcdd68266833b7289
   popd
 
   if [ ! -d "${PYENV_ROOT}/plugins/pyenv-alias" ]; then
@@ -213,6 +213,10 @@ maybe_numpy_min_version()
                     export NUMPY_BUILD_VERSION="==1.17.3"
                     export NUMPY_DEP_VERSION=">=1.17.3"
                 ;;
+                3.9*)
+                    export NUMPY_BUILD_VERSION="==1.19.4"
+                    export NUMPY_DEP_VERSION=">=1.19.4"
+                ;;
             esac
         ;;
 
@@ -230,6 +234,10 @@ maybe_numpy_min_version()
                     export NUMPY_BUILD_VERSION="==1.17.3"
                     export NUMPY_DEP_VERSION=">=1.17.3,<=1.17.3"
                 ;;
+                3.9*)
+                    export NUMPY_BUILD_VERSION="==1.19.4"
+                    export NUMPY_DEP_VERSION=">=1.19.4"
+                ;;
             esac
         ;;
 
@@ -251,6 +259,10 @@ maybe_numpy_min_version()
                     export NUMPY_BUILD_VERSION="==1.17.3"
                     export NUMPY_DEP_VERSION=">=1.17.3,<=1.17.3"
                 ;;
+                3.9*)
+                    export NUMPY_BUILD_VERSION="==1.19.4"
+                    export NUMPY_DEP_VERSION=">=1.19.4"
+                ;;
             esac
         ;;
 
@@ -310,7 +322,7 @@ extract_python_versions()
 
   local _pyver=$(echo "${_pyver_full}" | cut -d':' -f1)
 
-  # 3.8.x => 38
+  # 3.8.x => 38 / 3.9.x => 39 
   local _pyver_pkg=$(echo "${_pyver}" | cut -d'.' -f1,2 | tr -d '.')
 
   # https://www.python.org/dev/peps/pep-3149/#proposal
@@ -321,7 +333,7 @@ extract_python_versions()
     local _pyconf="ucs2"
   elif [ "${_py_unicode_type}" = "mu" ]; then
     local _pyconf="ucs4"
-  elif [ "${_py_unicode_type}" = "" ]; then # valid for Python 3.8
+  elif [ "${_py_unicode_type}" = "" ]; then # valid for Python 3.8 and 3.9
     local _pyconf="ucs2"
   fi;
 
diff --git a/taskcluster/test-python_39-darwin-amd64-opt.yml b/taskcluster/test-python_39-darwin-amd64-opt.yml
new file mode 100644
index 00000000..8c15e08f
--- /dev/null
+++ b/taskcluster/test-python_39-darwin-amd64-opt.yml
@@ -0,0 +1,12 @@
+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"
+  args:
+    tests_cmdline: "$TASKCLUSTER_TASK_DIR/DeepSpeech/ds/taskcluster/tc-python-tests.sh 3.9.0: 16k"
+  metadata:
+    name: "DeepSpeech OSX AMD64 CPU Python v3.9 tests"
+    description: "Testing DeepSpeech for OSX/AMD64 on Python v3.9.0:m, CPU only, optimized version"
diff --git a/taskcluster/test-python_39-win-amd64-opt.yml b/taskcluster/test-python_39-win-amd64-opt.yml
new file mode 100644
index 00000000..81c9c115
--- /dev/null
+++ b/taskcluster/test-python_39-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:
+    >
+      ${system.sox_win}
+  args:
+    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/taskcluster/tc-python-tests.sh 3.9.0: 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CPU Python v3.9 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on Python v3.9, CPU only, optimized version"
diff --git a/taskcluster/test-python_39-win-cuda-opt.yml b/taskcluster/test-python_39-win-cuda-opt.yml
new file mode 100644
index 00000000..9ed09241
--- /dev/null
+++ b/taskcluster/test-python_39-win-cuda-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-win-cuda-opt-base.tyml
+  dependencies:
+    - "win-amd64-gpu-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${system.sox_win}
+  args:
+    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/taskcluster/tc-python-tests.sh 3.9.0: 16k cuda"
+  metadata:
+    name: "DeepSpeech Windows AMD64 CUDA Python v3.9 tests"
+    description: "Testing DeepSpeech for Windows/AMD64 on Python v3.9, CUDA, optimized version"
diff --git a/taskcluster/test-python_39_16k-linux-amd64-opt.yml b/taskcluster/test-python_39_16k-linux-amd64-opt.yml
new file mode 100644
index 00000000..65da9b25
--- /dev/null
+++ b/taskcluster/test-python_39_16k-linux-amd64-opt.yml
@@ -0,0 +1,12 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  dependencies:
+    - "linux-amd64-cpu-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-python-tests.sh 3.9.0: 16k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU Python v3.9 tests (16kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on Python v3.9, CPU only, optimized version (16kHz)"
diff --git a/taskcluster/test-python_39_16k-linux-amd64-prod_pbmodel-opt.yml b/taskcluster/test-python_39_16k-linux-amd64-prod_pbmodel-opt.yml
new file mode 100644
index 00000000..31d714cd
--- /dev/null
+++ b/taskcluster/test-python_39_16k-linux-amd64-prod_pbmodel-opt.yml
@@ -0,0 +1,10 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  dependencies:
+    - "linux-amd64-cpu-opt"
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-python-tests-prod.sh 3.9.0: 16k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU Python v3.9 prod tests (16kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on Python v3.9 on prod model, CPU only, optimized version (16kHz)"
diff --git a/taskcluster/test-python_39_8k-linux-amd64-opt.yml b/taskcluster/test-python_39_8k-linux-amd64-opt.yml
new file mode 100644
index 00000000..79fd06ad
--- /dev/null
+++ b/taskcluster/test-python_39_8k-linux-amd64-opt.yml
@@ -0,0 +1,12 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  dependencies:
+    - "linux-amd64-cpu-opt"
+    - "test-training_8k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_8k-linux-amd64-py36m-opt"
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-python-tests.sh 3.9.0: 8k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU Python v3.9 tests (8kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on Python v3.9, CPU only, optimized version (8kHz)"
diff --git a/taskcluster/test-python_39_8k-linux-amd64-prod_pbmodel-opt.yml b/taskcluster/test-python_39_8k-linux-amd64-prod_pbmodel-opt.yml
new file mode 100644
index 00000000..27ad17b1
--- /dev/null
+++ b/taskcluster/test-python_39_8k-linux-amd64-prod_pbmodel-opt.yml
@@ -0,0 +1,10 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  dependencies:
+    - "linux-amd64-cpu-opt"
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-python-tests-prod.sh 3.9.0: 8k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU Python v3.9 prod tests (8kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on Python v3.9 on prod model, CPU only, optimized version (8kHz)"
diff --git a/taskcluster/test-python_39_tflite_16k-darwin-amd64-opt.yml b/taskcluster/test-python_39_tflite_16k-darwin-amd64-opt.yml
new file mode 100644
index 00000000..3b604919
--- /dev/null
+++ b/taskcluster/test-python_39_tflite_16k-darwin-amd64-opt.yml
@@ -0,0 +1,12 @@
+build:
+  template_file: test-darwin-opt-base.tyml
+  dependencies:
+    - "darwin-amd64-tflite-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+    - "homebrew_tests-darwin-amd64"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  args:
+    tests_cmdline: "$TASKCLUSTER_TASK_DIR/DeepSpeech/ds/taskcluster/tc-python_tflite-tests.sh 3.9.0: 16k"
+  metadata:
+    name: "DeepSpeech OSX AMD64 TFLite Python v3.9 tests (16kHz)"
+    description: "Testing DeepSpeech for OSX/AMD64 on Python v3.9 TFLite, optimized version (16kHz)"
diff --git a/taskcluster/test-python_39_tflite_16k-darwin-amd64-prod-opt.yml b/taskcluster/test-python_39_tflite_16k-darwin-amd64-prod-opt.yml
new file mode 100644
index 00000000..fd62eadb
--- /dev/null
+++ b/taskcluster/test-python_39_tflite_16k-darwin-amd64-prod-opt.yml
@@ -0,0 +1,12 @@
+build:
+  template_file: test-darwin-opt-base.tyml
+  dependencies:
+    - "darwin-amd64-tflite-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+    - "homebrew_tests-darwin-amd64"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  args:
+    tests_cmdline: "$TASKCLUSTER_TASK_DIR/DeepSpeech/ds/taskcluster/tc-python_tflite-tests-prod.sh 3.9.0: 16k"
+  metadata:
+    name: "DeepSpeech OSX AMD64 TFLite Python v3.9 prod tests (16kHz)"
+    description: "Testing DeepSpeech for OSX/AMD64 on Python v3.9 on prod model, TFLite, optimized version (16kHz)"
diff --git a/taskcluster/test-python_39_tflite_16k-linux-amd64-opt.yml b/taskcluster/test-python_39_tflite_16k-linux-amd64-opt.yml
new file mode 100644
index 00000000..e2615142
--- /dev/null
+++ b/taskcluster/test-python_39_tflite_16k-linux-amd64-opt.yml
@@ -0,0 +1,12 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  dependencies:
+    - "linux-amd64-tflite-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-python_tflite-tests.sh 3.9.0: 16k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 TFLite Python v3.9 tests (16kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on Python v3.9 TFLite, optimized version (16kHz)"
diff --git a/taskcluster/test-python_39_tflite_16k-linux-amd64-prod-opt.yml b/taskcluster/test-python_39_tflite_16k-linux-amd64-prod-opt.yml
new file mode 100644
index 00000000..d33a77f0
--- /dev/null
+++ b/taskcluster/test-python_39_tflite_16k-linux-amd64-prod-opt.yml
@@ -0,0 +1,10 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  dependencies:
+    - "linux-amd64-tflite-opt"
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-python_tflite-tests-prod.sh 3.9.0: 16k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 TFLite Python v3.9 prod tests (16kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on Python v3.9 on prod model, TFLite, optimized version (16kHz)"
diff --git a/taskcluster/test-python_39_tflite_16k-win-amd64-opt.yml b/taskcluster/test-python_39_tflite_16k-win-amd64-opt.yml
new file mode 100644
index 00000000..22183b8b
--- /dev/null
+++ b/taskcluster/test-python_39_tflite_16k-win-amd64-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-win-opt-base.tyml
+  dependencies:
+    - "win-amd64-tflite-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${system.sox_win}
+  args:
+    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/taskcluster/tc-python_tflite-tests.sh 3.9.0: 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 TFLite Python v3.9 tests (16kHz)"
+    description: "Testing DeepSpeech for Windows/AMD64 on Python v3.9 TFLite, optimized version (16kHz)"
diff --git a/taskcluster/test-python_39_tflite_16k-win-amd64-prod-opt.yml b/taskcluster/test-python_39_tflite_16k-win-amd64-prod-opt.yml
new file mode 100644
index 00000000..9bdb76f0
--- /dev/null
+++ b/taskcluster/test-python_39_tflite_16k-win-amd64-prod-opt.yml
@@ -0,0 +1,14 @@
+build:
+  template_file: test-win-opt-base.tyml
+  dependencies:
+    - "win-amd64-tflite-opt"
+    - "test-training_16k-linux-amd64-py36m-opt"
+  test_model_task: "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      ${system.sox_win}
+  args:
+    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/taskcluster/tc-python_tflite-tests-prod.sh 3.9.0: 16k"
+  metadata:
+    name: "DeepSpeech Windows AMD64 TFLite Python v3.9 prod tests (16kHz)"
+    description: "Testing DeepSpeech for Windows/AMD64 on Python v3.9 on prod model, TFLite, optimized version (16kHz)"
diff --git a/taskcluster/test-python_39_tflite_8k-linux-amd64-prod-opt.yml b/taskcluster/test-python_39_tflite_8k-linux-amd64-prod-opt.yml
new file mode 100644
index 00000000..9264eab1
--- /dev/null
+++ b/taskcluster/test-python_39_tflite_8k-linux-amd64-prod-opt.yml
@@ -0,0 +1,10 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  dependencies:
+    - "linux-amd64-tflite-opt"
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-python_tflite-tests-prod.sh 3.9.0: 8k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 TFLite Python v3.9 prod tests (8kHz)"
+    description: "Testing DeepSpeech for Linux/AMD64 on Python v3.9 on prod model, TFLite, optimized version (8kHz)"