diff --git a/.appveyor.yml b/.appveyor.yml
deleted file mode 100644
index ffcd7e3b..00000000
--- a/.appveyor.yml
+++ /dev/null
@@ -1,111 +0,0 @@
-environment:
-  global:
-    # SDK v7.0 MSVC Express 2008's SetEnv.cmd script will fail if the
-    # /E:ON and /V:ON options are not enabled in the batch script intepreter
-    # See: http://stackoverflow.com/a/13751649/163740
-    CMD_IN_ENV: "cmd /E:ON /V:ON /C .\\ci\\run_with_env.cmd"
-
-  matrix:
-
-    # Pre-installed Python versions, which Appveyor may upgrade to
-    # a later point release.
-    # See: http://www.appveyor.com/docs/installed-software#python
-
-    - PYTHON: C:\\Python36-x64
-      PYTHON_VERSION: 3.6.x
-      PYTHON_ARCH: 64
-      MSVC: 12.0
-      ARCH: x86_64
-      BOOST_PREFIX: C:\Libraries\boost_1_66_0
-
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      PYTHON: C:\\Python36-x64
-      PYTHON_VERSION: 3.6.x
-      PYTHON_ARCH: 64
-      MSVC: 15.9.19
-      ARCH: x86_64
-      BOOST_PREFIX: C:\Libraries\boost_1_69_0
-
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
-      PYTHON: C:\\Python36-x64
-      PYTHON_VERSION: 3.6.x
-      PYTHON_ARCH: 64
-      MSVC: 16.7.4
-      ARCH: x86_64
-      BOOST_PREFIX: C:\Libraries\boost_1_73_0
-
-install:
-  # If there is a newer build queued for the same PR, cancel this one.
-  # The AppVeyor 'rollout builds' option is supposed to serve the same
-  # purpose but it is problematic because it tends to cancel builds pushed
-  # directly to master instead of just PR builds (or the converse).
-  # credits: JuliaLang developers.
-  - ps: if ($env:APPVEYOR_PULL_REQUEST_NUMBER -and $env:APPVEYOR_BUILD_NUMBER -ne ((Invoke-RestMethod `
-        https://ci.appveyor.com/api/projects/$env:APPVEYOR_ACCOUNT_NAME/$env:APPVEYOR_PROJECT_SLUG/history?recordsNumber=50).builds | `
-        Where-Object pullRequestId -eq $env:APPVEYOR_PULL_REQUEST_NUMBER)[0].buildNumber) { `
-          throw "There are newer queued builds for this pull request, failing early." }
-  - ECHO "Filesystem root:"
-  - ps: "ls \"C:/\""
-  - ECHO "Installed libraries:"
-  - ps: "ls \"C:/Libraries/\""
-  ## This path doesn't exist with the VS 2017 worker images
-  #- ECHO "Installed SDKs:"
-  #- ps: "ls \"C:/Program Files/Microsoft SDKs/Windows\""
-
-  # Install Python (from the official .msi of http://python.org) and pip when
-  # not already installed.
-  - ps: if (-not(Test-Path($env:PYTHON))) { & .ci\install.ps1 }
-
-  # Prepend newly installed Python to the PATH of this build (this cannot be
-  # done from inside the powershell script as it would require to restart
-  # the parent CMD process).
-  - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
-
-  # Check that we have the expected version and architecture for Python
-  - "python --version"
-  - "python -c \"import struct; print(struct.calcsize('P') * 8)\""
-
-  # Upgrade to the latest version of pip to avoid it displaying warnings
-  # about it being out of date.
-  - "python -m pip install --disable-pip-version-check --user --upgrade pip"
-
-  # Install the build dependencies of the project. If some dependencies contain
-  # compiled extensions and are not provided as pre-built wheel packages,
-  # pip will build them from source using the MSVC compiler matching the
-  # target Python version and architecture
-
-  - curl -LfsS -o vswhere.exe https://github.com/Microsoft/vswhere/releases/download/2.8.4/vswhere.exe
-  #- |
-  #   curl -LfsS -o faber.tar.gz https://github.com/stefanseefeld/faber/archive/snapshot/2020-08-01.tar.gz
-  #   tar xf faber.tar.gz
-  #   CD faber-snapshot-2020-08-01
-  #   python setup.py install
-  #   CD ..
-  - python -m pip install faber
-  # report the available MSVC compilers
-  - faber --log=tools --info=tools cxx
-  - easy_install sphinx
-  - python -m pip install numpy
-  - set FARGS=--log=summary --log=output --log=actions --log=commands --with-boost-include=%BOOST_PREFIX% target.arch=%ARCH% cxx.name=msvc cxx.version=%MSVC%
-
-build_script:
-  - faber %FARGS% config || type config.log
-  - faber %FARGS% -j8
-
-test_script:
-  - faber %FARGS% -j8 test.report
-
-after_test:
-  # If tests are successful, create binary packages for the project.
-  #- "%CMD_IN_ENV% python setup.py bdist_wheel"
-  #- "%CMD_IN_ENV% python setup.py bdist_wininst"
-  #- "%CMD_IN_ENV% python setup.py bdist_msi"
-  #- ps: "ls dist"
-
-#artifacts:
-  # Archive the generated packages in the ci.appveyor.com build report.
-  #- path: dist\*
-
-#on_success:
-#  - TODO: upload the content of dist/*.whl to a public wheelhouse
-#
diff --git a/.ci/faber b/.ci/faber
index b23e8a18..ddb36ddf 100644
--- a/.ci/faber
+++ b/.ci/faber
@@ -1,3 +1,7 @@
+# -*- python -*-
+
+from faber.tools.boost import boostbook
 from faber.tools.python import python
 
+bb = boostbook(prefix='/usr/share/boostbook')
 p = python(command='$PYTHON')
diff --git a/.ci/install.ps1 b/.ci/install.ps1
deleted file mode 100644
index 94d6f018..00000000
--- a/.ci/install.ps1
+++ /dev/null
@@ -1,229 +0,0 @@
-# Sample script to install Python and pip under Windows
-# Authors: Olivier Grisel, Jonathan Helmus, Kyle Kastner, and Alex Willmer
-# License: CC0 1.0 Universal: http://creativecommons.org/publicdomain/zero/1.0/
-
-$MINICONDA_URL = "http://repo.continuum.io/miniconda/"
-$BASE_URL = "https://www.python.org/ftp/python/"
-$GET_PIP_URL = "https://bootstrap.pypa.io/get-pip.py"
-$GET_PIP_PATH = "C:\get-pip.py"
-
-$PYTHON_PRERELEASE_REGEX = @"
-(?x)
-(?<major>\d+)
-\.
-(?<minor>\d+)
-\.
-(?<micro>\d+)
-(?<prerelease>[a-z]{1,2}\d+)
-"@
-
-
-function Download ($filename, $url) {
-    $webclient = New-Object System.Net.WebClient
-
-    $basedir = $pwd.Path + "\"
-    $filepath = $basedir + $filename
-    if (Test-Path $filename) {
-        Write-Host "Reusing" $filepath
-        return $filepath
-    }
-
-    # Download and retry up to 3 times in case of network transient errors.
-    Write-Host "Downloading" $filename "from" $url
-    $retry_attempts = 2
-    for ($i = 0; $i -lt $retry_attempts; $i++) {
-        try {
-            $webclient.DownloadFile($url, $filepath)
-            break
-        }
-        Catch [Exception]{
-            Start-Sleep 1
-        }
-    }
-    if (Test-Path $filepath) {
-        Write-Host "File saved at" $filepath
-    } else {
-        # Retry once to get the error message if any at the last try
-        $webclient.DownloadFile($url, $filepath)
-    }
-    return $filepath
-}
-
-
-function ParsePythonVersion ($python_version) {
-    if ($python_version -match $PYTHON_PRERELEASE_REGEX) {
-        return ([int]$matches.major, [int]$matches.minor, [int]$matches.micro,
-                $matches.prerelease)
-    }
-    $version_obj = [version]$python_version
-    return ($version_obj.major, $version_obj.minor, $version_obj.build, "")
-}
-
-
-function DownloadPython ($python_version, $platform_suffix) {
-    $major, $minor, $micro, $prerelease = ParsePythonVersion $python_version
-
-    if (($major -le 2 -and $micro -eq 0) `
-        -or ($major -eq 3 -and $minor -le 2 -and $micro -eq 0) `
-        ) {
-        $dir = "$major.$minor"
-        $python_version = "$major.$minor$prerelease"
-    } else {
-        $dir = "$major.$minor.$micro"
-    }
-
-    if ($prerelease) {
-        if (($major -le 2) `
-            -or ($major -eq 3 -and $minor -eq 1) `
-            -or ($major -eq 3 -and $minor -eq 2) `
-            -or ($major -eq 3 -and $minor -eq 3) `
-            ) {
-            $dir = "$dir/prev"
-        }
-    }
-
-    if (($major -le 2) -or ($major -le 3 -and $minor -le 4)) {
-        $ext = "msi"
-        if ($platform_suffix) {
-            $platform_suffix = ".$platform_suffix"
-        }
-    } else {
-        $ext = "exe"
-        if ($platform_suffix) {
-            $platform_suffix = "-$platform_suffix"
-        }
-    }
-
-    $filename = "python-$python_version$platform_suffix.$ext"
-    $url = "$BASE_URL$dir/$filename"
-    $filepath = Download $filename $url
-    return $filepath
-}
-
-
-function InstallPython ($python_version, $architecture, $python_home) {
-    Write-Host "Installing Python" $python_version "for" $architecture "bit architecture to" $python_home
-    if (Test-Path $python_home) {
-        Write-Host $python_home "already exists, skipping."
-        return $false
-    }
-    if ($architecture -eq "32") {
-        $platform_suffix = ""
-    } else {
-        $platform_suffix = "amd64"
-    }
-    $installer_path = DownloadPython $python_version $platform_suffix
-    $installer_ext = [System.IO.Path]::GetExtension($installer_path)
-    Write-Host "Installing $installer_path to $python_home"
-    $install_log = $python_home + ".log"
-    if ($installer_ext -eq '.msi') {
-        InstallPythonMSI $installer_path $python_home $install_log
-    } else {
-        InstallPythonEXE $installer_path $python_home $install_log
-    }
-    if (Test-Path $python_home) {
-        Write-Host "Python $python_version ($architecture) installation complete"
-    } else {
-        Write-Host "Failed to install Python in $python_home"
-        Get-Content -Path $install_log
-        Exit 1
-    }
-}
-
-
-function InstallPythonEXE ($exepath, $python_home, $install_log) {
-    $install_args = "/quiet InstallAllUsers=1 TargetDir=$python_home"
-    RunCommand $exepath $install_args
-}
-
-
-function InstallPythonMSI ($msipath, $python_home, $install_log) {
-    $install_args = "/qn /log $install_log /i $msipath TARGETDIR=$python_home"
-    $uninstall_args = "/qn /x $msipath"
-    RunCommand "msiexec.exe" $install_args
-    if (-not(Test-Path $python_home)) {
-        Write-Host "Python seems to be installed else-where, reinstalling."
-        RunCommand "msiexec.exe" $uninstall_args
-        RunCommand "msiexec.exe" $install_args
-    }
-}
-
-function RunCommand ($command, $command_args) {
-    Write-Host $command $command_args
-    Start-Process -FilePath $command -ArgumentList $command_args -Wait -Passthru
-}
-
-
-function InstallPip ($python_home) {
-    $pip_path = $python_home + "\Scripts\pip.exe"
-    $python_path = $python_home + "\python.exe"
-    if (-not(Test-Path $pip_path)) {
-        Write-Host "Installing pip..."
-        $webclient = New-Object System.Net.WebClient
-        $webclient.DownloadFile($GET_PIP_URL, $GET_PIP_PATH)
-        Write-Host "Executing:" $python_path $GET_PIP_PATH
-        & $python_path $GET_PIP_PATH
-    } else {
-        Write-Host "pip already installed."
-    }
-}
-
-
-function DownloadMiniconda ($python_version, $platform_suffix) {
-    if ($python_version -eq "3.4") {
-        $filename = "Miniconda3-3.5.5-Windows-" + $platform_suffix + ".exe"
-    } else {
-        $filename = "Miniconda-3.5.5-Windows-" + $platform_suffix + ".exe"
-    }
-    $url = $MINICONDA_URL + $filename
-    $filepath = Download $filename $url
-    return $filepath
-}
-
-
-function InstallMiniconda ($python_version, $architecture, $python_home) {
-    Write-Host "Installing Python" $python_version "for" $architecture "bit architecture to" $python_home
-    if (Test-Path $python_home) {
-        Write-Host $python_home "already exists, skipping."
-        return $false
-    }
-    if ($architecture -eq "32") {
-        $platform_suffix = "x86"
-    } else {
-        $platform_suffix = "x86_64"
-    }
-    $filepath = DownloadMiniconda $python_version $platform_suffix
-    Write-Host "Installing" $filepath "to" $python_home
-    $install_log = $python_home + ".log"
-    $args = "/S /D=$python_home"
-    Write-Host $filepath $args
-    Start-Process -FilePath $filepath -ArgumentList $args -Wait -Passthru
-    if (Test-Path $python_home) {
-        Write-Host "Python $python_version ($architecture) installation complete"
-    } else {
-        Write-Host "Failed to install Python in $python_home"
-        Get-Content -Path $install_log
-        Exit 1
-    }
-}
-
-
-function InstallMinicondaPip ($python_home) {
-    $pip_path = $python_home + "\Scripts\pip.exe"
-    $conda_path = $python_home + "\Scripts\conda.exe"
-    if (-not(Test-Path $pip_path)) {
-        Write-Host "Installing pip..."
-        $args = "install --yes pip"
-        Write-Host $conda_path $args
-        Start-Process -FilePath "$conda_path" -ArgumentList $args -Wait -Passthru
-    } else {
-        Write-Host "pip already installed."
-    }
-}
-
-function main () {
-    InstallPython $env:PYTHON_VERSION $env:PYTHON_ARCH $env:PYTHON
-    InstallPip $env:PYTHON
-}
-
-main
\ No newline at end of file
diff --git a/.ci/run_with_env.cmd b/.ci/run_with_env.cmd
deleted file mode 100644
index 5da547c4..00000000
--- a/.ci/run_with_env.cmd
+++ /dev/null
@@ -1,88 +0,0 @@
-:: To build extensions for 64 bit Python 3, we need to configure environment
-:: variables to use the MSVC 2010 C++ compilers from GRMSDKX_EN_DVD.iso of:
-:: MS Windows SDK for Windows 7 and .NET Framework 4 (SDK v7.1)
-::
-:: To build extensions for 64 bit Python 2, we need to configure environment
-:: variables to use the MSVC 2008 C++ compilers from GRMSDKX_EN_DVD.iso of:
-:: MS Windows SDK for Windows 7 and .NET Framework 3.5 (SDK v7.0)
-::
-:: 32 bit builds, and 64-bit builds for 3.5 and beyond, do not require specific
-:: environment configurations.
-::
-:: Note: this script needs to be run with the /E:ON and /V:ON flags for the
-:: cmd interpreter, at least for (SDK v7.0)
-::
-:: More details at:
-:: https://github.com/cython/cython/wiki/64BitCythonExtensionsOnWindows
-:: http://stackoverflow.com/a/13751649/163740
-::
-:: Author: Olivier Grisel
-:: License: CC0 1.0 Universal: http://creativecommons.org/publicdomain/zero/1.0/
-::
-:: Notes about batch files for Python people:
-::
-:: Quotes in values are literally part of the values:
-::      SET FOO="bar"
-:: FOO is now five characters long: " b a r "
-:: If you don't want quotes, don't include them on the right-hand side.
-::
-:: The CALL lines at the end of this file look redundant, but if you move them
-:: outside of the IF clauses, they do not run properly in the SET_SDK_64==Y
-:: case, I don't know why.
-@ECHO OFF
-
-SET COMMAND_TO_RUN=%*
-SET WIN_SDK_ROOT=C:\Program Files\Microsoft SDKs\Windows
-SET WIN_WDK=c:\Program Files (x86)\Windows Kits\10\Include\wdf
-
-:: Extract the major and minor versions, and allow for the minor version to be
-:: more than 9.  This requires the version number to have two dots in it.
-SET MAJOR_PYTHON_VERSION=%PYTHON_VERSION:~0,1%
-IF "%PYTHON_VERSION:~3,1%" == "." (
-    SET MINOR_PYTHON_VERSION=%PYTHON_VERSION:~2,1%
-) ELSE (
-    SET MINOR_PYTHON_VERSION=%PYTHON_VERSION:~2,2%
-)
-
-:: Based on the Python version, determine what SDK version to use, and whether
-:: to set the SDK for 64-bit.
-IF %MAJOR_PYTHON_VERSION% == 2 (
-    SET WINDOWS_SDK_VERSION="v7.0"
-    SET SET_SDK_64=Y
-) ELSE (
-    IF %MAJOR_PYTHON_VERSION% == 3 (
-        SET WINDOWS_SDK_VERSION="v7.1"
-        IF %MINOR_PYTHON_VERSION% LEQ 4 (
-            SET SET_SDK_64=Y
-        ) ELSE (
-            SET SET_SDK_64=N
-            IF EXIST "%WIN_WDK%" (
-                :: See: https://connect.microsoft.com/VisualStudio/feedback/details/1610302/
-                REN "%WIN_WDK%" 0wdf
-            )
-        )
-    ) ELSE (
-        ECHO Unsupported Python version: "%MAJOR_PYTHON_VERSION%"
-        EXIT 1
-    )
-)
-
-IF %PYTHON_ARCH% == 64 (
-    IF %SET_SDK_64% == Y (
-        ECHO Configuring Windows SDK %WINDOWS_SDK_VERSION% for Python %MAJOR_PYTHON_VERSION% on a 64 bit architecture
-        SET DISTUTILS_USE_SDK=1
-        SET MSSdk=1
-        "%WIN_SDK_ROOT%\%WINDOWS_SDK_VERSION%\Setup\WindowsSdkVer.exe" -q -version:%WINDOWS_SDK_VERSION%
-        "%WIN_SDK_ROOT%\%WINDOWS_SDK_VERSION%\Bin\SetEnv.cmd" /x64 /release
-        ECHO Executing: %COMMAND_TO_RUN%
-        call %COMMAND_TO_RUN% || EXIT 1
-    ) ELSE (
-        ECHO Using default MSVC build environment for 64 bit architecture
-        ECHO Executing: %COMMAND_TO_RUN%
-        call %COMMAND_TO_RUN% || EXIT 1
-    )
-) ELSE (
-    ECHO Using default MSVC build environment for 32 bit architecture
-    ECHO Executing: %COMMAND_TO_RUN%
-    call %COMMAND_TO_RUN% || EXIT 1
-)
diff --git a/.ci/upload_docs.sh b/.ci/upload_docs.sh
deleted file mode 100755
index 1e6f6b5c..00000000
--- a/.ci/upload_docs.sh
+++ /dev/null
@@ -1,58 +0,0 @@
-#!/bin/bash
-set -e # Exit with nonzero exit code if anything fails
-
-SOURCE_BRANCH="master"
-TARGET_BRANCH="gh-pages"
-
-# Pull requests and commits to other branches shouldn't try to deploy, just build to verify
-if [ "$TRAVIS_PULL_REQUEST" != "false" ] || \
-   [ "$TRAVIS_BRANCH" != master -a \
-     "$TRAVIS_BRANCH" != develop  -a \
-     "$TRAVIS_BRANCH" != travis ]; then
-    echo "No docs to upload."
-    exit 0
-fi
-
-if [ -z "$GH_TOKEN" ]; then
-    echo "Error: GH_TOKEN is undefined"
-    exit 1
-fi
-
-# Save some useful information
-REPO=`git config remote.origin.url`
-SHA=`git rev-parse --verify HEAD`
-
-# build happens to contain the "doc/html" tree that we want to push
-# into the gh-pages branch. So we step into that directory, create a new repo,
-# set the remote appropriately, then commit and push.
-cd build
-git init
-git config user.name "Travis CI"
-git config user.email "travis-ci"
-
-# Make sure 'GH_TOKEN' is set (as 'secure' variable) in .travis.yml
-git remote add upstream "https://$GH_TOKEN@github.com/boostorg/python.git"
-git fetch upstream
-git reset upstream/gh-pages
-
-# Prepare version.
-if [ "$TRAVIS_BRANCH" = develop -o "$TRAVIS_BRANCH" = travis ]; then
-    mkdir -p develop/doc/
-    cp ../index.html develop/
-    cp ../doc/index.html develop/doc/
-    cp -a doc/html develop/doc/
-    git add develop/index.html
-    git add develop/doc/index.html
-    git add -A develop/doc/html
-else
-    cp ../index.html .
-    cp ../doc/index.html doc/
-    git add index.html
-    git add doc/index.html
-    git add -A doc/html
-fi
-# Commit the new version.
-git commit -m "Deploy to GitHub Pages: ${SHA}"
-
-# Now that we're all set up, we can push.
-git push -q upstream HEAD:gh-pages
diff --git a/.github/workflows/deploy-documentation.yml b/.github/workflows/deploy-documentation.yml
new file mode 100644
index 00000000..83a0f089
--- /dev/null
+++ b/.github/workflows/deploy-documentation.yml
@@ -0,0 +1,37 @@
+name: deploy documentation
+
+on: [push, pull_request]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: setup
+      run: |
+        sudo apt-get update
+        sudo apt-get install \
+          libboost1.71-tools-dev \
+          python3 \
+          python3-numpy \
+          python3-sphinx \
+          xsltproc \
+          docbook-xsl
+        sudo python3 -m pip install --upgrade pip
+        sudo python3 -m pip install faber
+    - name: build
+      run: |
+        sed -e "s/\$PYTHON/python3/g" .ci/faber > ~/.faber
+        faber --builddir=build doc.html
+        if [ "${GITHUB_REF##*/}" == master ]; then
+          echo "destination_dir=doc/html" >> $GITHUB_ENV
+        else
+          echo "destination_dir=doc/develop/html" >> $GITHUB_ENV
+        fi
+    - name: deploy
+      uses: peaceiris/actions-gh-pages@v3
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        publish_dir: build/doc/html
+        destination_dir: ${{ env.destination_dir }}
+        keep_files: true
diff --git a/.github/workflows/test-osx.yml b/.github/workflows/test-osx.yml
new file mode 100644
index 00000000..19928d87
--- /dev/null
+++ b/.github/workflows/test-osx.yml
@@ -0,0 +1,45 @@
+name: Test OSX
+
+on:  [push, pull_request]
+
+jobs:
+  build:
+    runs-on: macOS-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.6]
+        cxx: [clang++]
+        std: [c++98, c++11, c++14] # TODO: c++17 is failing !
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: setup python
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: setup prerequisites
+      run: |
+        brew install boost
+        python -m pip install --upgrade pip
+        python -m pip install setuptools faber
+    - name: build
+      run: |
+        python --version
+        ${{ matrix.cxx }} --version
+        faber -v
+        sed -e "s/\$PYTHON/python/g" .ci/faber > ~/.faber
+        faber \
+          --builddir=build \
+          cxx.name=${{ matrix.cxx }} \
+          cxxflags=-std=${{ matrix.std }} \
+          -j`sysctl -n hw.ncpu`
+    - name: test
+      run: |
+        faber \
+          --builddir=build\
+          cxx.name=${{ matrix.cxx }} \
+          cxxflags=-std=${{ matrix.std }} \
+          -j`sysctl -n hw.ncpu` \
+          test.report
diff --git a/.github/workflows/test-ubuntu.yml b/.github/workflows/test-ubuntu.yml
new file mode 100644
index 00000000..61a29598
--- /dev/null
+++ b/.github/workflows/test-ubuntu.yml
@@ -0,0 +1,51 @@
+name: Test Ubuntu
+
+on:  [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        python: [python, python3]
+        cxx: [g++, clang++]
+        std: [c++98, c++11, c++14, c++17]
+        include:
+          # Add the appropriate docker image for each compiler.
+          # The images from teeks99/boost-python-test already have boost::python
+          # pre-reqs installed, see:
+          # https://github.com/teeks99/boost-python-test-docker
+          - cxx: clang++
+            docker-img: teeks99/boost-python-test:clang-11_1.66.0
+          - cxx: g++
+            docker-img: teeks99/boost-python-test:gcc-9_1.66.0
+
+    container:
+      image: ${{ matrix.docker-img }}
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: build
+      run: |
+        ${{ matrix.python }} --version
+        ${{ matrix.cxx }} --version
+        faber -v
+        sed -e "s/\$PYTHON/${{ matrix.python }}/g" .ci/faber > ~/.faber
+        faber \
+          --with-boost-include=${BOOST_PY_DEPS} \
+          --builddir=build \
+          cxx.name=${{ matrix.cxx }} \
+          cxxflags=-std=${{ matrix.std }} \
+          -j`nproc`
+    - name: test
+      run: |
+        faber \
+          --with-boost-include=${BOOST_PY_DEPS} \
+          --builddir=build \
+          cxx.name=${{ matrix.cxx }} \
+          cxxflags=-std=${{ matrix.std }} \
+          -j`nproc` \
+          test.report
diff --git a/.github/workflows/test-windows.yml b/.github/workflows/test-windows.yml
new file mode 100644
index 00000000..4d5878ea
--- /dev/null
+++ b/.github/workflows/test-windows.yml
@@ -0,0 +1,39 @@
+name: Test Windows
+
+on:  [push, pull_request]
+
+jobs:
+  build:
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.7]
+
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: setup boost prerequisites
+      uses: lukka/run-vcpkg@v6
+      with:
+        vcpkgGitCommitId: '8a9a97315aefb3f8bc5d81bf66ca0025938b9c91'
+        vcpkgDirectory: '${{ runner.workspace }}/vcpkg'
+        vcpkgTriplet: x64-windows
+        vcpkgArguments: boost-config boost-core boost-function boost-graph boost-iterator boost-lexical-cast boost-mpl boost-preprocessor boost-smart-ptr boost-static-assert
+
+    - name: setup faber
+      #shell: 'bash'
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install setuptools faber numpy
+        faber --info=tools cxx
+    - name: build
+      shell: cmd
+      run: |
+        faber --builddir=build cxx.name=msvc --with-boost-include=${{ runner.workspace }}/vcpkg/installed/x64-windows/include -j4
+    - name: test
+      shell: cmd
+      run: |
+        faber --builddir=build cxx.name=msvc --with-boost-include=${{ runner.workspace }}/vcpkg/installed/x64-windows/include -j4 test.report
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 657386bb..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,117 +0,0 @@
-#
-# Copyright (c) 2016 Stefan Seefeld
-# All rights reserved.
-#
-# Distributed under the Boost Software License, Version 1.0.
-# (See accompanying file LICENSE_1_0.txt or copy at
-# http://www.boost.org/LICENSE_1_0.txt)
-
-dist: bionic
-
-language: cpp
-
-env:
-  global:
-    - secure: BRNUkxN3p8f+uYKWC3Hr0VPqZA0PxbWr1DJlcI4hbiZtzKhMCWjDmd9UW9CzzexqeOxpd+9s0G87qvOur+wMSVxugDxtTesZrh1czXHeSVxgQrYD783XJtQJ9aYypbChkiboRD6Xpmbq7itwMuHBJMFtCuDxMynpU1jWwkyTf2Y=
-
-jobs:
-  include:
-    - os: linux
-      env: CXX=g++ PYTHON=python CXXFLAGS=-std=c++98
-    - os: linux
-      env: CXX=g++ PYTHON=python CXXFLAGS=-std=c++11
-    - os: linux
-      env: CXX=g++ PYTHON=python3 CXXFLAGS=-std=c++98
-    - os: linux
-      env: CXX=g++ PYTHON=python3 CXXFLAGS=-std=c++11
-    - os: linux
-      env: CXX=clang++ PYTHON=python3 CXXFLAGS=-std=c++98
-    - os: linux
-      env: CXX=clang++ PYTHON=python3 CXXFLAGS=-std=c++11
-    - os: linux
-      env: CXX=g++ PYTHON=pypy3 CXXFLAGS=-std=c++11
-    - os: osx
-      env: CXX=clang++ PYTHON=python CXXFLAGS=-std=c++11
-    - env: PYTHON=python DOC=1
-  allow_failures:
-    - os: linux
-      env: CXX=g++ PYTHON=pypy3 CXXFLAGS=-std=c++11
-    - os: osx
-
-addons:
-  apt:
-    sources:
-    - ubuntu-toolchain-r-test
-    - pypy
-    packages:
-    - gcc
-    - g++
-    - clang
-    - pypy3-dev
-    - python3-pip
-    - python-numpy
-    - python-sphinx
-    - python3-dev
-    - python3-numpy
-    - libboost-all-dev
-    - xsltproc
-    - docbook-xsl
-    - python-docutils
-
-
-cache:
-  directories:
-  - $HOME/Boost
-
-install:
-  # Install our own version of Boost (the subset we need) as the system version is
-  # too old (for C++11 support).
-  - |
-     if [ ! -d $HOME/Boost/tools/boostbook ]; then
-       echo "rebuilding Boost prerequisites."
-       wget https://sourceforge.net/projects/boost/files/boost/1.66.0/boost_1_66_0.tar.gz/download
-       tar xf download
-       pushd boost_1_66_0
-       ./bootstrap.sh
-       ./b2 tools/bcp
-       mkdir -p $HOME/Boost
-       # Install Boost.Python prerequisites, but not Boost.Python itself.
-       dist/bin/bcp python tools/boostbook tools/quickbook $HOME/Boost &> /dev/null
-       rm -rf $HOME/Boost/boost/python*
-       popd
-     else
-       echo "using cached Boost prerequisites."
-     fi
-     # Install Faber, the build tool.
-     python3 -m pip install setuptools
-     python3 -m pip install faber
-     #date=2020-08-01
-     #wget https://github.com/stefanseefeld/faber/archive/snapshot/$date.tar.gz
-     #tar xf $date.tar.gz
-     #pushd faber-snapshot-$date
-     #sudo python3 setup.py install
-     #popd
-
-before_script:
-- sed -e "s/\$PYTHON/$PYTHON/g" .ci/faber > ~/.faber
-- $PYTHON --version
-- faber -h
-- ls -l $HOME/Boost
-
-script:
-- |
-   if [ "$DOC" ]; then
-     BOOST_ROOT=$HOME/Boost faber --builddir=build doc.html
-   else
-     faber --with-boost-include=$HOME/Boost --builddir=build test.report cxx.name=$CXX cxxflags=$CXXFLAGS -j8
-   fi
-
-after_success:
-# Upload docs only when building upstream.
-- |
-   if [ "$DOC" -a \
-        "$TRAVIS_REPO_SLUG" = "boostorg/python" -a \
-        "$TRAVIS_PULL_REQUEST" = "false" ]; then
-     export GH_TOKEN
-     .ci/upload_docs.sh
-   fi
diff --git a/README.md b/README.md
index 7646d3a8..f57b9750 100644
--- a/README.md
+++ b/README.md
@@ -21,8 +21,7 @@ See the [Boost.Python](http://boostorg.github.io/python) documentation for detai
 
 **Hint :** Check out the [development version](http://boostorg.github.io/python/develop) of the documentation to see work in progress.
 
-# Building [![Build Status](https://travis-ci.org/boostorg/python.svg?branch=develop)](https://travis-ci.org/boostorg/python) [![Build status](https://ci.appveyor.com/api/projects/status/cgx9xma6v3gjav92/branch/develop?svg=true)](https://ci.appveyor.com/project/stefanseefeld/python/branch/develop)
-
+# Building ![Test Ubuntu](https://github.com/boostorg/python/workflows/Test%20Ubuntu/badge.svg) ![Test OSX](https://github.com/boostorg/python/workflows/Test%20OSX/badge.svg) ![Test Windows](https://github.com/boostorg/python/workflows/Test%20Windows/badge.svg)
 
 While Boost.Python is part of the Boost C++ Libraries super-project, and thus can be compiled as part of Boost, it can also be compiled and installed stand-alone, i.e. against a pre-installed Boost package.
 
diff --git a/doc/reference/call_method.qbk b/doc/reference/call_method.qbk
index 926763ce..fcf68667 100644
--- a/doc/reference/call_method.qbk
+++ b/doc/reference/call_method.qbk
@@ -20,6 +20,8 @@ C++ Module Definition
 ``
 #include <boost/python/module.hpp>
 #include <boost/python/class.hpp>
+#include <boost/python/call_method.hpp>
+#include <boost/python/def.hpp>
 #include <boost/utility.hpp>
 #include <cstring>
 
@@ -28,7 +30,7 @@ class Base
 {
  public:
    virtual char const* class_name() const { return "Base"; }
-   virtual ~Base();
+   virtual ~Base() {};
 };
 
 bool is_base(Base* b)
@@ -56,7 +58,7 @@ BOOST_PYTHON_MODULE(my_module)
 {
     def("is_base", is_base);
 
-    class_<Base,Base_callback, noncopyable>("Base")
+    class_<Base,Base_callback, boost::noncopyable>("Base")
         .def("class_name", &Base_callback::Base_name)
         ;
 
diff --git a/include/boost/python/detail/wrap_python.hpp b/include/boost/python/detail/wrap_python.hpp
index 9d5f5422..037e4bf2 100644
--- a/include/boost/python/detail/wrap_python.hpp
+++ b/include/boost/python/detail/wrap_python.hpp
@@ -227,7 +227,11 @@ typedef int pid_t;
 
 # define PyVarObject_HEAD_INIT(type, size) \
         PyObject_HEAD_INIT(type) size,
+#endif
 
+#if PY_VERSION_HEX < 0x030900A4
+#  define Py_SET_TYPE(obj, type) ((Py_TYPE(obj) = (type)), (void)0)
+#  define Py_SET_SIZE(obj, size) ((Py_SIZE(obj) = (size)), (void)0)
 #endif
 
 
diff --git a/include/boost/python/object/make_instance.hpp b/include/boost/python/object/make_instance.hpp
index 31ec08f7..5eb3aa9d 100644
--- a/include/boost/python/object/make_instance.hpp
+++ b/include/boost/python/object/make_instance.hpp
@@ -47,7 +47,7 @@ struct make_instance_impl
               
             // Note the position of the internally-stored Holder,
             // for the sake of destruction
-            Py_SIZE(instance) = offsetof(instance_t, storage);
+            Py_SET_SIZE(instance, offsetof(instance_t, storage));
 
             // Release ownership of the python object
             protect.cancel();
diff --git a/meta/libraries.json b/meta/libraries.json
index e2f2a054..80f20f84 100644
--- a/meta/libraries.json
+++ b/meta/libraries.json
@@ -10,5 +10,6 @@
     ],
     "maintainers": [
 	"Stefan Seefeld <stefan -at- seefeld.name>"
-    ]
+    ],
+    "cxxstd": "03"
 }
diff --git a/src/exec.cpp b/src/exec.cpp
index b2eabe59..dd0c3310 100644
--- a/src/exec.cpp
+++ b/src/exec.cpp
@@ -116,7 +116,7 @@ object BOOST_PYTHON_DECL exec_file(char const *filename, object global, object l
 #elif PY_VERSION_HEX >= 0x03000000
   // Let python open the file to avoid potential binary incompatibilities.
   PyObject *fo = Py_BuildValue("s", f);
-  FILE *fs = _Py_fopen(fo, "r"); // Private CPython API
+  FILE *fs = fopen(fo, "r");
   Py_DECREF(fo);
 #else
   // Let python open the file to avoid potential binary incompatibilities.
diff --git a/src/module.cpp b/src/module.cpp
index 96284819..57675fa2 100644
--- a/src/module.cpp
+++ b/src/module.cpp
@@ -21,7 +21,7 @@ namespace
             object m_obj(((borrowed_reference_t*)m));
             scope current_module(m_obj);
 
-            handle_exception(init_function);
+            if (handle_exception(init_function)) return NULL;
         }
 
         return m;
diff --git a/src/object/class.cpp b/src/object/class.cpp
index 9bb9683a..c6bab760 100644
--- a/src/object/class.cpp
+++ b/src/object/class.cpp
@@ -208,7 +208,7 @@ namespace objects
   {
       if (static_data_object.tp_dict == 0)
       {
-          Py_TYPE(&static_data_object) = &PyType_Type;
+          Py_SET_TYPE(&static_data_object, &PyType_Type);
           static_data_object.tp_base = &PyProperty_Type;
           if (PyType_Ready(&static_data_object))
               return 0;
@@ -316,7 +316,7 @@ namespace objects
   {
       if (class_metatype_object.tp_dict == 0)
       {
-          Py_TYPE(&class_metatype_object) = &PyType_Type;
+          Py_SET_TYPE(&class_metatype_object, &PyType_Type);
           class_metatype_object.tp_base = &PyType_Type;
           if (PyType_Ready(&class_metatype_object))
               return type_handle();
@@ -374,12 +374,7 @@ namespace objects
               // like, so we'll store the total size of the object
               // there. A negative number indicates that the extra
               // instance memory is not yet allocated to any holders.
-#if PY_VERSION_HEX >= 0x02060000
-              Py_SIZE(result) =
-#else
-              result->ob_size =
-#endif
-                  -(static_cast<int>(offsetof(instance<>,storage) + instance_size));
+              Py_SET_SIZE(result,-static_cast<int>(offsetof(instance<>,storage) + instance_size));
           }
           return (PyObject*)result;
       }
@@ -470,7 +465,7 @@ namespace objects
   {
       if (class_type_object.tp_dict == 0)
       {
-          Py_TYPE(&class_type_object) = incref(class_metatype().get());
+          Py_SET_TYPE(&class_type_object, incref(class_metatype().get()));
           class_type_object.tp_base = &PyBaseObject_Type;
           if (PyType_Ready(&class_type_object))
               return type_handle();
@@ -739,7 +734,7 @@ void* instance_holder::allocate(PyObject* self_, std::size_t holder_offset, std:
         assert(holder_offset >= offsetof(objects::instance<>,storage));
 
         // Record the fact that the storage is occupied, noting where it starts
-        Py_SIZE(self) = holder_offset;
+        Py_SET_SIZE(self, holder_offset);
         return (char*)self + holder_offset;
     }
     else
diff --git a/src/object/enum.cpp b/src/object/enum.cpp
index 10122ad1..293e7058 100644
--- a/src/object/enum.cpp
+++ b/src/object/enum.cpp
@@ -153,7 +153,7 @@ namespace
   {
       if (enum_type_object.tp_dict == 0)
       {
-          Py_TYPE(&enum_type_object) = incref(&PyType_Type);
+          Py_SET_TYPE(&enum_type_object, incref(&PyType_Type));
 #if PY_VERSION_HEX >= 0x03000000
           enum_type_object.tp_base = &PyLong_Type;
 #else
diff --git a/src/object/function.cpp b/src/object/function.cpp
index 9d4745d1..787679e1 100644
--- a/src/object/function.cpp
+++ b/src/object/function.cpp
@@ -107,7 +107,7 @@ function::function(
     PyObject* p = this;
     if (Py_TYPE(&function_type) == 0)
     {
-        Py_TYPE(&function_type) = &PyType_Type;
+        Py_SET_TYPE(&function_type, &PyType_Type);
         ::PyType_Ready(&function_type);
     }
     
diff --git a/src/object/life_support.cpp b/src/object/life_support.cpp
index b7e9aa86..281c3bff 100644
--- a/src/object/life_support.cpp
+++ b/src/object/life_support.cpp
@@ -93,7 +93,7 @@ PyObject* make_nurse_and_patient(PyObject* nurse, PyObject* patient)
     
     if (Py_TYPE(&life_support_type) == 0)
     {
-        Py_TYPE(&life_support_type) = &PyType_Type;
+        Py_SET_TYPE(&life_support_type, &PyType_Type);
         PyType_Ready(&life_support_type);
     }
     
diff --git a/test/fabscript b/test/fabscript
index 03e4c6f9..eb9379e0 100644
--- a/test/fabscript
+++ b/test/fabscript
@@ -67,6 +67,7 @@ for t in [('injected',),
           ('args',),
           ('raw_ctor',),
           ('exception_translator',),
+          ('module_init_exception',),
           ('test_enum', ['enum_ext']),
           ('test_cltree', ['cltree']),
           ('newtest', ['m1', 'm2']),
diff --git a/test/module_init_exception.cpp b/test/module_init_exception.cpp
new file mode 100644
index 00000000..d8cec57d
--- /dev/null
+++ b/test/module_init_exception.cpp
@@ -0,0 +1,14 @@
+// Copyright (C) 2003 Rational Discovery LLC
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/python/module.hpp>
+#include <stdexcept>
+
+using namespace boost::python;
+
+BOOST_PYTHON_MODULE(module_init_exception_ext)
+{
+    throw std::runtime_error("Module init failed");
+}
diff --git a/test/module_init_exception.py b/test/module_init_exception.py
new file mode 100644
index 00000000..3da53e19
--- /dev/null
+++ b/test/module_init_exception.py
@@ -0,0 +1,12 @@
+# Copyright (C) 2003 Rational Discovery LLC.  Distributed under the Boost
+# Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy
+# at http://www.boost.org/LICENSE_1_0.txt)
+
+print("running...")
+
+try:
+    import module_init_exception_ext
+except RuntimeError as e:
+    print(e)
+
+print("Done.")