diff --git a/.github/workflows/build_wheels.yml b/.github/workflows/build_wheels_linux.yml
similarity index 61%
rename from .github/workflows/build_wheels.yml
rename to .github/workflows/build_wheels_linux.yml
index 67f7ad8d..c9307d74 100644
--- a/.github/workflows/build_wheels.yml
+++ b/.github/workflows/build_wheels_linux.yml
@@ -1,4 +1,4 @@
-name: Build PYPI wheels for opencv-python
+name: Build PYPI wheels for opencv-python on Linux x86_64
 
 on:
   pull_request:
@@ -9,75 +9,6 @@ on:
 
 
 jobs:
-  build-windows-x86_64:
-    runs-on: ${{ matrix.os }}
-    defaults:
-      run:
-        shell: powershell
-
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [windows-latest]
-        python-version: [3.6, 3.7, 3.8, 3.9]
-        platform: [x86, x64]
-        with_contrib: [0, 1]
-        without_gui: [0, 1]
-        build_sdist: [0]
-
-    env:
-      ACTIONS_ALLOW_UNSECURE_COMMANDS: true
-      SDIST: ${{ matrix.build_sdist || 0}}
-      ENABLE_HEADLESS: ${{ matrix.without_gui }}
-      ENABLE_CONTRIB: ${{ matrix.with_contrib }}
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v2
-      with:
-        submodules: true
-        fetch-depth: 0
-
-    - name: Update submodules
-      run: |
-        git submodule update --remote
-
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
-      with:
-        python-version: ${{ matrix.python-version }}
-        architecture: ${{ matrix.platform }}
-
-    - name: Setup MSBuild.exe
-      uses: warrenbuckley/Setup-MSBuild@v1
-
-    - name: build script
-      run: |
-        python --version
-        python -m pip install --upgrade pip
-        python -m pip install --upgrade setuptools
-        set "CI_BUILD=1" && python -m pip wheel --wheel-dir=%cd%\wheelhouse . --verbose
-      shell: cmd
-
-    - name: before test
-      run: |
-        cd ${{ github.workspace }}/tests
-        &python -m pip install --user --no-warn-script-location (ls "../wheelhouse/opencv*.whl")
-        if ($LastExitCode -ne 0) {throw $LastExitCode}
-      shell: powershell
-
-    - name: run test
-      run: |
-        cd ${{ github.workspace }}/tests
-        python -m unittest test
-      shell: cmd
-
-    - name: saving artifacts
-      uses: actions/upload-artifact@v2
-      with:
-        name: wheels
-        path: wheelhouse/opencv*.whl
-
   build:
     runs-on: ${{ matrix.os }}
     defaults:
@@ -87,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest]
         python-version: [3.6, 3.7, 3.8, 3.9]
         platform: [x64]
         with_contrib: [0, 1]
@@ -102,13 +33,13 @@ jobs:
       MB_PYTHON_VERSION: ${{ matrix.python-version }}
       TRAVIS_PYTHON_VERSION: ${{ matrix.python-version }}
       MB_ML_VER: 2014
-      NP_TEST_DEP: numpy
+      NP_TEST_DEP: numpy==1.19.4
       TRAVIS_BUILD_DIR: ${{ github.workspace }}
       CONFIG_PATH: travis_config.sh
       DOCKER_IMAGE: quay.io/skvark/manylinux2014_${PLAT}
       USE_CCACHE: 1
       UNICODE_WIDTH: 32
-      SDIST: ${{ matrix.build_sdist || 0}}
+      SDIST: ${{ matrix.build_sdist || 0 }}
       ENABLE_HEADLESS: ${{ matrix.without_gui }}
       ENABLE_CONTRIB: ${{ matrix.with_contrib }}
 
@@ -116,49 +47,27 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v2
       with:
-        submodules: true
+        submodules: false
         fetch-depth: 0
 
     - name: Update submodules
-      run: |
-        git submodule update --remote
-
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
-      if: ${{ 'macos-latest' == matrix.os }}
-      with:
-        python-version: ${{ matrix.python-version }}
-        architecture: ${{ matrix.platform }}
+      if: github.event_name == 'pull_request'
+      run: git submodule update --remote
 
     - name: Setup Environment variables
       run: |
-        if [ "macos-latest" == "${{ matrix.os }}" ]; then echo "TRAVIS_OS_NAME=osx" >> $GITHUB_ENV; else echo "TRAVIS_OS_NAME=${{ matrix.os }}" >> $GITHUB_ENV; fi
         if [ "schedule" == "${{ github.event_name }}" ]; then echo "TRAVIS_EVENT_TYPE=cron" >> $GITHUB_ENV; else echo "TRAVIS_EVENT_TYPE=${{ github.event_name }}" >> $GITHUB_ENV; fi
         if [ "schedule" == "${{ github.event_name }}" ]; then echo "BUILD_COMMIT=master" >> $GITHUB_ENV; else echo "BUILD_COMMIT=$BUILD_COMMIT" >> $GITHUB_ENV; fi
         if [ "x64" == "${{ matrix.platform }}" ]; then echo "PLAT=x86_64" >> $GITHUB_ENV; fi
-        if [ "x86" == "${{ matrix.platform }}" ]; then echo "PLAT=i686" >> $GITHUB_ENV; fi
         echo "BUILD_DEPENDS=$(echo $NP_BUILD_DEP)" >> $GITHUB_ENV;
         echo "TEST_DEPENDS=$(echo $NP_TEST_DEP)" >> $GITHUB_ENV;
 
-    - name: before install
-      run: |
-        set -e
-        # Check out and prepare the source
-        # Multibuild doesn't have releases, so --depth would break eventually (see
-        # https://superuser.com/questions/1240216/server-does-not-allow-request-for-unadvertised)
-        git submodule update --init multibuild
-        source multibuild/common_utils.sh
-        # https://github.com/matthew-brett/multibuild/issues/116
-        if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export ARCH_FLAGS=" "; fi
-        source multibuild/travis_steps.sh
-        # This sets -x
-        # source travis_multibuild_customize.sh
-        echo $ENABLE_CONTRIB > contrib.enabled
-        echo $ENABLE_HEADLESS > headless.enabled
-        set -x
-        build_wheel $REPO_DIR $PLAT
-        install_run $PLAT
-        set +x
+    - name: build
+      run: source scripts/build.sh
+
+    - name: install and test
+      run: source scripts/install.sh
+
     - name: saving artifacts
       uses: actions/upload-artifact@v2
       with:
@@ -191,26 +100,26 @@ jobs:
       MB_PYTHON_VERSION: ${{ matrix.python-version }}
       TRAVIS_PYTHON_VERSION: ${{ matrix.python-version }}
       MB_ML_VER: 2014
-      NP_TEST_DEP: numpy
+      NP_TEST_DEP: numpy==1.19.4
       TRAVIS_BUILD_DIR: ${{ github.workspace }}
       CONFIG_PATH: travis_config.sh
       DOCKER_IMAGE: quay.io/skvark/manylinux2014_${PLAT}
       USE_CCACHE: 1
       UNICODE_WIDTH: 32
-      SDIST: ${{ matrix.build_sdist || 0}}
+      SDIST: ${{ matrix.build_sdist || 0 }}
       ENABLE_HEADLESS: ${{ matrix.without_gui || 0 }}
-      ENABLE_CONTRIB: ${{ matrix.with_contrib || 0}}
+      ENABLE_CONTRIB: ${{ matrix.with_contrib || 0 }}
 
     steps:
     - name: Checkout
       uses: actions/checkout@v2
       with:
-        submodules: true
+        submodules: false
         fetch-depth: 0
 
     - name: Update submodules
-      run: |
-        git submodule update --remote
+      if: github.event_name == 'pull_request'
+      run: git submodule update --remote
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
@@ -220,7 +129,6 @@ jobs:
 
     - name: Setup Environment variables
       run: |
-        if [ "macos-latest" == "${{ matrix.os }}" ]; then echo "TRAVIS_OS_NAME=osx" >> $GITHUB_ENV; else echo "TRAVIS_OS_NAME=${{ matrix.os }}" >> $GITHUB_ENV; fi
         if [ "schedule" == "${{ github.event_name }}" ]; then echo "TRAVIS_EVENT_TYPE=cron" >> $GITHUB_ENV; else echo "TRAVIS_EVENT_TYPE=${{ github.event_name }}" >> $GITHUB_ENV; fi
         if [ "schedule" == "${{ github.event_name }}" ]; then echo "BUILD_COMMIT=master" >> $GITHUB_ENV; else echo "BUILD_COMMIT=$BUILD_COMMIT" >> $GITHUB_ENV; fi
         echo "BUILD_DEPENDS=$(echo $NP_BUILD_DEP)" >> $GITHUB_ENV;
@@ -238,6 +146,7 @@ jobs:
         # Install and run tests
         set -x
         echo "skipping tests because of sdist"
+
     - name: saving artifacts
       uses: actions/upload-artifact@v2
       with:
@@ -246,7 +155,7 @@ jobs:
 
   test_release_opencv_python:
     if: github.event_name == 'release' && github.event.release.prerelease
-    needs: [build, build-windows-x86_64, build_sdist]
+    needs: [build, build_sdist]
     runs-on: ubuntu-latest
     environment: test-opencv-python-release
     defaults:
@@ -265,7 +174,7 @@ jobs:
 
   release_opencv_python:
     if: github.event_name == 'release' && !github.event.release.prerelease
-    needs: [build, build-windows-x86_64, build_sdist]
+    needs: [build, build_sdist]
     runs-on: ubuntu-latest
     environment: opencv-python-release
     defaults:
diff --git a/.github/workflows/build_wheels_linux_arm.yml b/.github/workflows/build_wheels_linux_arm.yml
new file mode 100644
index 00000000..7ad52cda
--- /dev/null
+++ b/.github/workflows/build_wheels_linux_arm.yml
@@ -0,0 +1,128 @@
+name: Build PYPI wheels for opencv-python on Linux ARM
+
+on:
+  pull_request:
+    branches:
+      - master
+  release:
+    types: [published, edited]
+
+
+jobs:
+  build_arm:
+    runs-on: ${{ matrix.os }}
+    defaults:
+      run:
+        shell: bash
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ARM64]
+        python-version: [3.6, 3.7, 3.8, 3.9]
+        platform: [x64]
+        with_contrib: [0, 1]
+        without_gui: [0, 1]
+        build_sdist: [0]
+
+    env:
+      ACTIONS_ALLOW_UNSECURE_COMMANDS: true
+      REPO_DIR: .
+      BUILD_COMMIT: master
+      PROJECT_SPEC: opencv-python
+      MB_PYTHON_VERSION: ${{ matrix.python-version }}
+      TRAVIS_PYTHON_VERSION: ${{ matrix.python-version }}
+      PLAT: aarch64
+      MB_ML_VER: 2014
+      NP_TEST_DEP: numpy==1.19.4
+      TRAVIS_BUILD_DIR: ${{ github.workspace }}
+      CONFIG_PATH: travis_config.sh
+      DOCKER_IMAGE: quay.io/skvark/manylinux2014_${PLAT}
+      DOCKER_TEST_IMAGE: multibuild/xenial_arm64v8
+      USE_CCACHE: 0
+      UNICODE_WIDTH: 32
+      SDIST: ${{ matrix.build_sdist || 0 }}
+      ENABLE_HEADLESS: ${{ matrix.without_gui }}
+      ENABLE_CONTRIB: ${{ matrix.with_contrib }}
+
+    steps:
+    - name: Cleanup
+      if: always()
+      uses: AutoModality/action-clean@v1
+
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        submodules: false
+        fetch-depth: 0
+
+    - name: Setup Environment variables
+      run: |
+        if [ "ARM64" == "${{ matrix.os }}" ]; then echo "PLAT=aarch64" >> $GITHUB_ENV; fi
+        echo "BUILD_DEPENDS=$(echo $NP_BUILD_DEP)" >> $GITHUB_ENV;
+        echo "TEST_DEPENDS=$(echo $NP_TEST_DEP)" >> $GITHUB_ENV;
+
+    - name: build
+      run: source scripts/build.sh
+
+    - name: install and test
+      run: source scripts/install.sh
+
+    - name: saving artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: wheels
+        path: wheelhouse/opencv*.whl
+
+  test_release_opencv_python:
+    if: github.event_name == 'release' && github.event.release.prerelease
+    needs: [build_arm]
+    runs-on: ubuntu-latest
+    environment: test-opencv-python-release
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - uses: actions/download-artifact@v2
+        with:
+          name: wheels
+          path: wheelhouse/
+
+      - name: Upload all wheels
+        run: |
+          python -m pip install twine
+          python -m twine upload --repository testpypi -u ${{ secrets.PYPI_USERNAME }} -p ${{ secrets.PYPI_PASSWORD }} --skip-existing wheelhouse/opencv_*
+
+  release_opencv_python:
+    if: github.event_name == 'release' && !github.event.release.prerelease
+    needs: [build_arm]
+    runs-on: ubuntu-latest
+    environment: opencv-python-release
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - uses: actions/download-artifact@v2
+        with:
+          name: wheels
+          path: wheelhouse/
+
+      - name: Upload wheels for opencv_python
+        run: |
+          python -m pip install twine
+          python -m twine upload -u ${{ secrets.OPENCV_PYTHON_USERNAME }} -p ${{ secrets.OPENCV_PYTHON_PASSWORD }} --skip-existing wheelhouse/opencv_python-*
+
+      - name: Upload wheels for opencv_contrib_python
+        run: |
+          python -m pip install twine
+          python -m twine upload -u ${{ secrets.OPENCV_CONTRIB_PYTHON_USERNAME }} -p ${{ secrets.OPENCV_CONTRIB_PYTHON_PASSWORD }} --skip-existing wheelhouse/opencv_contrib_python-*
+
+      - name: Upload wheels for opencv_python_headless
+        run: |
+          python -m pip install twine
+          python -m twine upload -u ${{ secrets.OPENCV_PYTHON_HEADLESS_USERNAME }} -p ${{ secrets.OPENCV_PYTHON_HEADLESS_PASSWORD }} --skip-existing wheelhouse/opencv_python_headless-*
+
+      - name: Upload wheels for opencv_contrib_python_headless
+        run: |
+          python -m pip install twine
+          python -m twine upload -u ${{ secrets.OPENCV_CONTRIB_PYTHON_HEADLESS_USERNAME }} -p ${{ secrets.OPENCV_CONTRIB_PYTHON_HEADLESS_PASSWORD }} --skip-existing wheelhouse/opencv_contrib_python_headless-*
diff --git a/.github/workflows/build_wheels_macos.yml b/.github/workflows/build_wheels_macos.yml
new file mode 100644
index 00000000..c2dc073f
--- /dev/null
+++ b/.github/workflows/build_wheels_macos.yml
@@ -0,0 +1,152 @@
+name: Build PYPI wheels for opencv-python on Macos
+
+on:
+  pull_request:
+    branches:
+      - master
+  release:
+    types: [published, edited]
+
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    defaults:
+      run:
+        shell: bash
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest]
+        python-version: [3.6, 3.7, 3.8, 3.9]
+        platform: [x64]
+        with_contrib: [0, 1]
+        without_gui: [0, 1]
+        build_sdist: [0]
+
+    env:
+      ACTIONS_ALLOW_UNSECURE_COMMANDS: true
+      REPO_DIR: .
+      BUILD_COMMIT: master
+      PROJECT_SPEC: opencv-python
+      MB_PYTHON_VERSION: ${{ matrix.python-version }}
+      TRAVIS_PYTHON_VERSION: ${{ matrix.python-version }}
+      MB_ML_VER: 2014
+      NP_TEST_DEP: numpy==1.19.4
+      TRAVIS_BUILD_DIR: ${{ github.workspace }}
+      CONFIG_PATH: travis_config.sh
+      DOCKER_IMAGE: quay.io/skvark/manylinux2014_${PLAT}
+      USE_CCACHE: 1
+      UNICODE_WIDTH: 32
+      SDIST: ${{ matrix.build_sdist || 0 }}
+      ENABLE_HEADLESS: ${{ matrix.without_gui }}
+      ENABLE_CONTRIB: ${{ matrix.with_contrib }}
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        submodules: false
+        fetch-depth: 0
+
+    - name: Update submodules
+      if: github.event_name == 'pull_request'
+      run: git submodule update --remote
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      if: ${{ 'macos-latest' == matrix.os }}
+      with:
+        python-version: ${{ matrix.python-version }}
+        architecture: ${{ matrix.platform }}
+
+    - name: Setup Environment variables
+      run: |
+        if [ "macos-latest" == "${{ matrix.os }}" ]; then echo "TRAVIS_OS_NAME=osx" >> $GITHUB_ENV; else echo "TRAVIS_OS_NAME=${{ matrix.os }}" >> $GITHUB_ENV; fi
+        if [ "schedule" == "${{ github.event_name }}" ]; then echo "TRAVIS_EVENT_TYPE=cron" >> $GITHUB_ENV; else echo "TRAVIS_EVENT_TYPE=${{ github.event_name }}" >> $GITHUB_ENV; fi
+        if [ "schedule" == "${{ github.event_name }}" ]; then echo "BUILD_COMMIT=master" >> $GITHUB_ENV; else echo "BUILD_COMMIT=$BUILD_COMMIT" >> $GITHUB_ENV; fi
+        if [ "x64" == "${{ matrix.platform }}" ]; then echo "PLAT=x86_64" >> $GITHUB_ENV; fi
+        if [ "x86" == "${{ matrix.platform }}" ]; then echo "PLAT=i686" >> $GITHUB_ENV; fi
+        echo "BUILD_DEPENDS=$(echo $NP_BUILD_DEP)" >> $GITHUB_ENV;
+        echo "TEST_DEPENDS=$(echo $NP_TEST_DEP)" >> $GITHUB_ENV;
+
+    - name: before install
+      run: |
+        set -e
+        # Check out and prepare the source
+        # Multibuild doesn't have releases, so --depth would break eventually (see
+        # https://superuser.com/questions/1240216/server-does-not-allow-request-for-unadvertised)
+        git submodule update --init multibuild
+        source multibuild/common_utils.sh
+        # https://github.com/matthew-brett/multibuild/issues/116
+        if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export ARCH_FLAGS=" "; fi
+        source multibuild/travis_steps.sh
+        # This sets -x
+        # source travis_multibuild_customize.sh
+        echo $ENABLE_CONTRIB > contrib.enabled
+        echo $ENABLE_HEADLESS > headless.enabled
+        set -x
+        build_wheel $REPO_DIR $PLAT
+        git submodule update --init --recursive
+        install_run $PLAT
+        set +x
+
+    - name: saving artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: wheels
+        path: wheelhouse/opencv*.whl
+
+  test_release_opencv_python:
+    if: github.event_name == 'release' && github.event.release.prerelease
+    needs: [build]
+    runs-on: ubuntu-latest
+    environment: test-opencv-python-release
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - uses: actions/download-artifact@v2
+        with:
+          name: wheels
+          path: wheelhouse/
+
+      - name: Upload all wheels
+        run: |
+          python -m pip install twine
+          python -m twine upload --repository testpypi -u ${{ secrets.PYPI_USERNAME }} -p ${{ secrets.PYPI_PASSWORD }} --skip-existing wheelhouse/opencv_*
+
+  release_opencv_python:
+    if: github.event_name == 'release' && !github.event.release.prerelease
+    needs: [build]
+    runs-on: ubuntu-latest
+    environment: opencv-python-release
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - uses: actions/download-artifact@v2
+        with:
+          name: wheels
+          path: wheelhouse/
+
+      - name: Upload wheels for opencv_python
+        run: |
+          python -m pip install twine
+          python -m twine upload -u ${{ secrets.OPENCV_PYTHON_USERNAME }} -p ${{ secrets.OPENCV_PYTHON_PASSWORD }} --skip-existing wheelhouse/opencv_python-*
+
+      - name: Upload wheels for opencv_contrib_python
+        run: |
+          python -m pip install twine
+          python -m twine upload -u ${{ secrets.OPENCV_CONTRIB_PYTHON_USERNAME }} -p ${{ secrets.OPENCV_CONTRIB_PYTHON_PASSWORD }} --skip-existing wheelhouse/opencv_contrib_python-*
+
+      - name: Upload wheels for opencv_python_headless
+        run: |
+          python -m pip install twine
+          python -m twine upload -u ${{ secrets.OPENCV_PYTHON_HEADLESS_USERNAME }} -p ${{ secrets.OPENCV_PYTHON_HEADLESS_PASSWORD }} --skip-existing wheelhouse/opencv_python_headless-*
+
+      - name: Upload wheels for opencv_contrib_python_headless
+        run: |
+          python -m pip install twine
+          python -m twine upload -u ${{ secrets.OPENCV_CONTRIB_PYTHON_HEADLESS_USERNAME }} -p ${{ secrets.OPENCV_CONTRIB_PYTHON_HEADLESS_PASSWORD }} --skip-existing wheelhouse/opencv_contrib_python_headless-*
diff --git a/.github/workflows/build_wheels_windows.yml b/.github/workflows/build_wheels_windows.yml
new file mode 100644
index 00000000..c8811083
--- /dev/null
+++ b/.github/workflows/build_wheels_windows.yml
@@ -0,0 +1,135 @@
+name: Build PYPI wheels for opencv-python on Windows
+
+on:
+  pull_request:
+    branches:
+      - master
+  release:
+    types: [published, edited]
+
+
+jobs:
+  build-windows-x86_64:
+    runs-on: ${{ matrix.os }}
+    defaults:
+      run:
+        shell: powershell
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-latest]
+        python-version: [3.6, 3.7, 3.8, 3.9]
+        platform: [x86, x64]
+        with_contrib: [0, 1]
+        without_gui: [0, 1]
+        build_sdist: [0]
+
+    env:
+      ACTIONS_ALLOW_UNSECURE_COMMANDS: true
+      SDIST: ${{ matrix.build_sdist || 0 }}
+      ENABLE_HEADLESS: ${{ matrix.without_gui }}
+      ENABLE_CONTRIB: ${{ matrix.with_contrib }}
+      OPENCV_TEST_DATA_PATH: ${{ github.workspace }}\opencv_extra\testdata
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        submodules: false
+        fetch-depth: 0
+
+    - name: Update submodules
+      if: github.event_name == 'pull_request'
+      run: git submodule update --remote
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+        architecture: ${{ matrix.platform }}
+
+    - name: Setup MSBuild.exe
+      uses: warrenbuckley/Setup-MSBuild@v1
+
+    - name: build script
+      run: |
+        python --version
+        python -m pip install --upgrade pip
+        python -m pip install --upgrade setuptools
+        set "CI_BUILD=1" && python -m pip wheel --wheel-dir=%cd%\wheelhouse . --verbose
+      shell: cmd
+
+    - name: before test
+      run: |
+        git submodule update --init --recursive
+        cd ${{ github.workspace }}/tests
+        &python -m pip install --user --no-warn-script-location (ls "../wheelhouse/opencv*.whl")
+        if ($LastExitCode -ne 0) {throw $LastExitCode}
+        python get_build_info.py
+      shell: powershell
+
+    - name: run test
+      run: |
+        cd ${{ github.workspace }}/opencv
+        python modules\python\test\test.py -v --repo .
+      shell: cmd
+
+    - name: saving artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: wheels
+        path: wheelhouse/opencv*.whl
+
+  test_release_opencv_python:
+    if: github.event_name == 'release' && github.event.release.prerelease
+    needs: [build-windows-x86_64]
+    runs-on: ubuntu-latest
+    environment: test-opencv-python-release
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - uses: actions/download-artifact@v2
+        with:
+          name: wheels
+          path: wheelhouse/
+
+      - name: Upload all wheels
+        run: |
+          python -m pip install twine
+          python -m twine upload --repository testpypi -u ${{ secrets.PYPI_USERNAME }} -p ${{ secrets.PYPI_PASSWORD }} --skip-existing wheelhouse/opencv_*
+
+  release_opencv_python:
+    if: github.event_name == 'release' && !github.event.release.prerelease
+    needs: [build-windows-x86_64]
+    runs-on: ubuntu-latest
+    environment: opencv-python-release
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - uses: actions/download-artifact@v2
+        with:
+          name: wheels
+          path: wheelhouse/
+
+      - name: Upload wheels for opencv_python
+        run: |
+          python -m pip install twine
+          python -m twine upload -u ${{ secrets.OPENCV_PYTHON_USERNAME }} -p ${{ secrets.OPENCV_PYTHON_PASSWORD }} --skip-existing wheelhouse/opencv_python-*
+
+      - name: Upload wheels for opencv_contrib_python
+        run: |
+          python -m pip install twine
+          python -m twine upload -u ${{ secrets.OPENCV_CONTRIB_PYTHON_USERNAME }} -p ${{ secrets.OPENCV_CONTRIB_PYTHON_PASSWORD }} --skip-existing wheelhouse/opencv_contrib_python-*
+
+      - name: Upload wheels for opencv_python_headless
+        run: |
+          python -m pip install twine
+          python -m twine upload -u ${{ secrets.OPENCV_PYTHON_HEADLESS_USERNAME }} -p ${{ secrets.OPENCV_PYTHON_HEADLESS_PASSWORD }} --skip-existing wheelhouse/opencv_python_headless-*
+
+      - name: Upload wheels for opencv_contrib_python_headless
+        run: |
+          python -m pip install twine
+          python -m twine upload -u ${{ secrets.OPENCV_CONTRIB_PYTHON_HEADLESS_USERNAME }} -p ${{ secrets.OPENCV_CONTRIB_PYTHON_HEADLESS_PASSWORD }} --skip-existing wheelhouse/opencv_contrib_python_headless-*
diff --git a/.gitmodules b/.gitmodules
index f2e0d283..655467e8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "multibuild"]
 	path = multibuild
 	url = https://github.com/matthew-brett/multibuild.git
+[submodule "opencv_extra"]
+	path = opencv_extra
+	url = https://github.com/opencv/opencv_extra.git
diff --git a/opencv_extra b/opencv_extra
new file mode 160000
index 00000000..3b033d09
--- /dev/null
+++ b/opencv_extra
@@ -0,0 +1 @@
+Subproject commit 3b033d09cab1894d6452707df723789fe98c8663
diff --git a/scripts/build.sh b/scripts/build.sh
new file mode 100755
index 00000000..f48ca066
--- /dev/null
+++ b/scripts/build.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+set -e
+# Check out and prepare the source
+# Multibuild doesn't have releases, so --depth would break eventually (see
+# https://superuser.com/questions/1240216/server-does-not-allow-request-for-unadvertised)
+git submodule update --init multibuild
+source multibuild/common_utils.sh
+# https://github.com/matthew-brett/multibuild/issues/116
+if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export ARCH_FLAGS=" "; fi
+source multibuild/travis_steps.sh
+# This sets -x
+# source travis_multibuild_customize.sh
+echo $ENABLE_CONTRIB > contrib.enabled
+echo $ENABLE_HEADLESS > headless.enabled
+set -x
+build_wheel $REPO_DIR $PLAT
diff --git a/scripts/install.sh b/scripts/install.sh
new file mode 100755
index 00000000..6e019d1c
--- /dev/null
+++ b/scripts/install.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -e
+# Check out and prepare the source
+# Multibuild doesn't have releases, so --depth would break eventually (see
+# https://superuser.com/questions/1240216/server-does-not-allow-request-for-unadvertised)
+git submodule update --init --recursive
+source multibuild/common_utils.sh
+# https://github.com/matthew-brett/multibuild/issues/116
+if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export ARCH_FLAGS=" "; fi
+source multibuild/travis_steps.sh
+# This sets -x
+# source travis_multibuild_customize.sh
+echo $ENABLE_CONTRIB > contrib.enabled
+echo $ENABLE_HEADLESS > headless.enabled
+set -x
+install_run $PLAT
+set +x
diff --git a/setup.py b/setup.py
index a3265206..a14825da 100644
--- a/setup.py
+++ b/setup.py
@@ -145,6 +145,7 @@ def main():
             "-DINSTALL_CREATE_DISTRIB=ON",
             # See opencv/CMakeLists.txt for options and defaults
             "-DBUILD_opencv_apps=OFF",
+            "-DBUILD_opencv_freetype=OFF",
             "-DBUILD_SHARED_LIBS=OFF",
             "-DBUILD_TESTS=OFF",
             "-DBUILD_PERF_TESTS=OFF",
diff --git a/tests/get_build_info.py b/tests/get_build_info.py
new file mode 100644
index 00000000..4714f2f4
--- /dev/null
+++ b/tests/get_build_info.py
@@ -0,0 +1,3 @@
+import cv2 as cv
+
+print(cv.getBuildInformation())
diff --git a/travis_config.sh b/travis_config.sh
index aac66317..a83fe141 100644
--- a/travis_config.sh
+++ b/travis_config.sh
@@ -146,24 +146,38 @@ function run_tests {
     echo "Run tests..."
     echo $PWD
 
+    PYTHON=python$PYTHON_VERSION
+
     if [ -n "$IS_OSX" ]; then
       echo "Running for OS X"
-      cd ../tests/
+
+      cd ../tests
+      $PYTHON get_build_info.py
+
+      cd ../opencv/
+      export OPENCV_TEST_DATA_PATH=../opencv_extra/testdata
     else
       echo "Running for linux"
-      cd /io/tests/
+
+      if [ $PYTHON == "python3.6" ]; then
+        $PYTHON -m pip install -U numpy==1.19.4
+      fi
+      cd /io/tests
+      $PYTHON get_build_info.py
+
+      cd /io/opencv
+      export OPENCV_TEST_DATA_PATH=/io/opencv_extra/testdata
     fi
 
     test_wheels
 }
 
 function test_wheels {
-    PYTHON=python$PYTHON_VERSION
 
     echo "Starting tests..."
 
     #Test package
-    $PYTHON -m unittest test
+    $PYTHON modules/python/test/test.py -v --repo .
 }
 
 export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'