diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1f515c23..175b69b8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,284 +16,36 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        include:
-          - name: "TOOLSET=gcc COMPILER=g++ CXXSTD=11 Job 0"
-            buildtype: "boost"
-            packages: ""
-            packages_to_remove: ""
-            container: "ubuntu:16.04"
-            cxx: "g++"
-            sources: ""
-            llvm_os: ""
-            llvm_ver: ""
-            toolset: "gcc"
-            compiler: "g++"
-            cxxstd: "11"
-          - name: "TOOLSET=gcc COMPILER=g++-5 CXXSTD=11,14,1z Job 1"
-            buildtype: "boost"
-            packages: "g++-5"
-            packages_to_remove: ""
-            container: "ubuntu:16.04"
-            cxx: "g++-5"
-            sources: ""
-            llvm_os: ""
-            llvm_ver: ""
-            toolset: "gcc"
-            compiler: "g++-5"
-            cxxstd: "11,14,1z"
-          - name: "TOOLSET=gcc COMPILER=g++-6 CXXSTD=11,14,1z Job 2"
-            buildtype: "boost"
-            packages: "g++-6"
-            packages_to_remove: ""
-            container: "ubuntu:16.04"
-            cxx: "g++-6"
-            sources: ""
-            llvm_os: ""
-            llvm_ver: ""
-            toolset: "gcc"
-            compiler: "g++-6"
-            cxxstd: "11,14,1z"
-          - name: "TOOLSET=gcc COMPILER=g++-7 CXXSTD=11,14,17 Job 3"
-            buildtype: "boost"
-            packages: "g++-7"
-            packages_to_remove: ""
-            container: "ubuntu:16.04"
-            cxx: "g++-7"
-            sources: ""
-            llvm_os: ""
-            llvm_ver: ""
-            toolset: "gcc"
-            compiler: "g++-7"
-            cxxstd: "11,14,17"
-          - name: "TOOLSET=clang COMPILER=clang++ CXXSTD=11 Job 4"
-            buildtype: "boost"
-            packages: "clang"
-            packages_to_remove: ""
-            container: "ubuntu:18.04"
-            cxx: "clang++"
-            sources: ""
-            llvm_os: ""
-            llvm_ver: ""
-            toolset: "clang"
-            compiler: "clang++"
-            cxxstd: "11"
-          - name: "TOOLSET=clang COMPILER=clang++-4.0 CXXSTD=11, Job 5"
-            buildtype: "boost"
-            packages: "clang-4.0 libstdc++-6-dev"
-            packages_to_remove: ""
-            container: "ubuntu:16.04"
-            cxx: "clang++-4.0"
-            sources: ""
-            llvm_os: "xenial"
-            llvm_ver: "4.0"
-            toolset: "clang"
-            compiler: "clang++-4.0"
-            cxxstd: "11,14"
-          - name: "TOOLSET=clang COMPILER=clang++-5.0 CXXSTD=11, Job 6"
-            buildtype: "boost"
-            packages: "clang-5.0 libstdc++-7-dev"
-            packages_to_remove: ""
-            container: "ubuntu:16.04"
-            cxx: "clang++-5.0"
-            sources: ""
-            llvm_os: "xenial"
-            llvm_ver: "5.0"
-            toolset: "clang"
-            compiler: "clang++-5.0"
-            cxxstd: "11,14,1z"
+        os: [ ubuntu-20.04, ubuntu-22.04, ubuntu-24.04, macos-13, macos-14, macos-15 ]
 
-    runs-on: ${{ matrix.os || 'ubuntu-latest' }}
-    container: ${{ matrix.container }}
+    runs-on: ${{ matrix.os }}
 
     steps:
-      - name: Check if running in container
-        if: matrix.container != ''
-        run: echo "GHA_CONTAINER=${{ matrix.container }}" >> $GITHUB_ENV
-      - name: If running in container, upgrade packages
-        if: matrix.container != ''
-        run: |
-            apt-get -o Acquire::Retries=3 update && DEBIAN_FRONTEND=noninteractive apt-get -y install tzdata && apt-get -o Acquire::Retries=3 install -y sudo software-properties-common wget curl apt-transport-https make apt-file sudo unzip libssl-dev build-essential autotools-dev autoconf automake g++ libc++-helpers python ruby cpio gcc-multilib g++-multilib pkgconf python3 ccache libpython-dev
-            sudo apt-add-repository ppa:git-core/ppa
-            sudo apt-get -o Acquire::Retries=3 update && apt-get -o Acquire::Retries=3 -y install git
-
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - name: linux
-        shell: bash
-        env:
-          CXX: ${{ matrix.cxx }}
-          SOURCES: ${{ matrix.sources }}
-          LLVM_OS: ${{ matrix.llvm_os }}
-          LLVM_VER: ${{ matrix.llvm_ver }}
-          PACKAGES: ${{ matrix.packages }}
-          PACKAGES_TO_REMOVE: ${{ matrix.packages_to_remove }}
-          JOB_BUILDTYPE: ${{ matrix.buildtype }}
-          TOOLSET: ${{ matrix.toolset }}
-          COMPILER: ${{ matrix.compiler }}
-          CXXSTD: ${{ matrix.cxxstd }}
-          TRAVIS_BRANCH: ${{ github.base_ref }}
-          TRAVIS_OS_NAME: "linux"
+      - name: Setup Boost
         run: |
-          echo '==================================> SETUP'
-          echo '==================================> PACKAGES'
-          set -e
-          if [ -n "$PACKAGES_TO_REMOVE" ]; then sudo apt-get purge -y $PACKAGES_TO_REMOVE; fi
-          echo ">>>>> APT: REPO.."
-          for i in {1..3}; do sudo -E apt-add-repository -y "ppa:ubuntu-toolchain-r/test" && break || sleep 2; done
-
-          if test -n "${LLVM_OS}" ; then
-              wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-              if test -n "${LLVM_VER}" ; then
-                  sudo -E apt-add-repository "deb http://apt.llvm.org/${LLVM_OS}/ llvm-toolchain-${LLVM_OS}-${LLVM_VER} main"
-              else
-                  # Snapshot (i.e. trunk) build of clang
-                  sudo -E apt-add-repository "deb http://apt.llvm.org/${LLVM_OS}/ llvm-toolchain-${LLVM_OS} main"
-              fi
-          fi
-          echo ">>>>> APT: UPDATE.."
-          sudo -E apt-get -o Acquire::Retries=3 update
-          if test -n "${SOURCES}" ; then
-              echo ">>>>> APT: INSTALL SOURCES.."
-              for SOURCE in $SOURCES; do
-                  sudo -E apt-add-repository ppa:$SOURCE
-              done
-          fi
-          echo ">>>>> APT: INSTALL ${PACKAGES}.."
-          sudo -E DEBIAN_FRONTEND=noninteractive apt-get -o Acquire::Retries=3 -y --no-install-suggests --no-install-recommends install ${PACKAGES}
-
-          echo '==================================> INSTALL AND COMPILE'
-          set -e
-          export TRAVIS_BUILD_DIR=$(pwd)
-          export TRAVIS_BRANCH=${TRAVIS_BRANCH:-$(echo $GITHUB_REF | awk 'BEGIN { FS = "/" } ; { print $3 }')}
-          export VCS_COMMIT_ID=$GITHUB_SHA
-          export GIT_COMMIT=$GITHUB_SHA
-          export REPO_NAME=$(basename $GITHUB_REPOSITORY)
-          export USER=$(whoami)
-          export CC=${CC:-gcc}
-          export PATH=~/.local/bin:/usr/local/bin:$PATH
-
-          if [ "$JOB_BUILDTYPE" == "boost" ]; then
-
-          echo '==================================> INSTALL'
-
-          BOOST_BRANCH=develop && [ "$TRAVIS_BRANCH" == "master" ] && BOOST_BRANCH=master || true
+          echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
+          LIBRARY=${GITHUB_REPOSITORY#*/}
+          echo LIBRARY: $LIBRARY
+          echo "LIBRARY=$LIBRARY" >> $GITHUB_ENV
+          echo GITHUB_BASE_REF: $GITHUB_BASE_REF
+          echo GITHUB_REF: $GITHUB_REF
+          REF=${GITHUB_BASE_REF:-$GITHUB_REF}
+          REF=${REF#refs/heads/}
+          echo REF: $REF
+          BOOST_BRANCH=develop && [ "$REF" == "master" ] && BOOST_BRANCH=master || true
+          echo BOOST_BRANCH: $BOOST_BRANCH
           cd ..
-          git clone -b $BOOST_BRANCH https://github.com/boostorg/boost.git boost-root
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
           cd boost-root
-          git submodule update --init tools/build
-          git submodule update --init libs/config
+          cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
           git submodule update --init tools/boostdep
-          cp -r $TRAVIS_BUILD_DIR/* libs/context
-          python tools/boostdep/depinst/depinst.py context
+          python3 tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
           ./bootstrap.sh
-          ./b2 headers
-
-          echo '==================================> SCRIPT'
+          ./b2 -d0 headers
 
-          echo "using $TOOLSET : : $COMPILER ;" > ~/user-config.jam
-          ./b2 -j 3 libs/context/test toolset=$TOOLSET cxxstd=$CXXSTD
-
-          fi
-#
-#   osx:
-#     strategy:
-#       fail-fast: false
-#       matrix:
-#         include:
-#
-# Github Actions only supports certain Xcode versions
-# Change (or delete) the Xcode version for this job.
-#
-#           - name: "TOOLSET=clang COMPILER=clang++ CXXSTD=11,14,1 Job 7"
-#             buildtype: "boost"
-#             packages: ""
-#             os: "macos-10.15"
-#             cxx: "clang++"
-#             sources: ""
-#             llvm_os: ""
-#             llvm_ver: ""
-#             xcode_version: "8.3"
-#             toolset: "clang"
-#             compiler: "clang++"
-#             cxxstd: "11,14,1z"
-#
-# Github Actions only supports certain Xcode versions
-# Change (or delete) the Xcode version for this job.
-#
-#           - name: "TOOLSET=clang COMPILER=clang++ CXXSTD=11,14,1 Job 8"
-#             buildtype: "boost"
-#             packages: ""
-#             os: "macos-10.15"
-#             cxx: "clang++"
-#             sources: ""
-#             llvm_os: ""
-#             llvm_ver: ""
-#             xcode_version: "9.1"
-#             toolset: "clang"
-#             compiler: "clang++"
-#             cxxstd: "11,14,1z"
-#
-#
-#     runs-on: ${{ matrix.os }}
-#
-#     steps:
-#       - uses: actions/checkout@v2
-#
-#       - name: Set DEVELOPER_DIR
-#         if: matrix.xcode_version != ''
-#         run: echo "DEVELOPER_DIR=/Applications/Xcode_${{ matrix.xcode_version }}.app/Contents/Developer" >> $GITHUB_ENV
-#       - name: Test DEVELOPER_DIR
-#         run: echo $DEVELOPER_DIR
-#
-#       - name: "osx"
-#         shell: bash
-#         env:
-#           CXX: ${{ matrix.cxx }}
-#           SOURCES: ${{ matrix.sources }}
-#           LLVM_OS: ${{ matrix.llvm_os }}
-#           LLVM_VER: ${{ matrix.llvm_ver }}
-#           PACKAGES: ${{ matrix.packages }}
-#           JOB_BUILDTYPE: ${{ matrix.buildtype }}
-#           TOOLSET: ${{ matrix.toolset }}
-#           COMPILER: ${{ matrix.compiler }}
-#           CXXSTD: ${{ matrix.cxxstd }}
-#           TRAVIS_BRANCH: ${{ github.base_ref }}
-#           TRAVIS_OS_NAME: "osx"
-#         run: |
-#           echo '==================================> SETUP'
-#           set -e
-#           sudo mv /Library/Developer/CommandLineTools /Library/Developer/CommandLineTools.bck
-#           echo '==================================> PACKAGES'
-#           echo '==================================> INSTALL AND COMPILE'
-#           set -e
-#           export TRAVIS_BUILD_DIR=$(pwd)
-#           export TRAVIS_BRANCH=${TRAVIS_BRANCH:-$(echo $GITHUB_REF | awk 'BEGIN { FS = "/" } ; { print $3 }')}
-#           export VCS_COMMIT_ID=$GITHUB_SHA
-#           export GIT_COMMIT=$GITHUB_SHA
-#           export REPO_NAME=$(basename $GITHUB_REPOSITORY)
-#           export USER=$(whoami)
-#           export CC=${CC:-gcc}
-#           export PATH=~/.local/bin:/usr/local/bin:$PATH
-#
-#           if [ "$JOB_BUILDTYPE" == "boost" ]; then
-#
-#           echo '==================================> INSTALL'
-#
-#           BOOST_BRANCH=develop && [ "$TRAVIS_BRANCH" == "master" ] && BOOST_BRANCH=master || true
-#           cd ..
-#           git clone -b $BOOST_BRANCH https://github.com/boostorg/boost.git boost-root
-#           cd boost-root
-#           git submodule update --init tools/build
-#           git submodule update --init libs/config
-#           git submodule update --init tools/boostdep
-#           cp -r $TRAVIS_BUILD_DIR/* libs/context
-#           python tools/boostdep/depinst/depinst.py context
-#           ./bootstrap.sh
-#           ./b2 headers
-#
-#           echo '==================================> SCRIPT'
-#
-#           echo "using $TOOLSET : : $COMPILER ;" > ~/user-config.jam
-#           ./b2 -j 3 libs/context/test toolset=$TOOLSET cxxstd=$CXXSTD
-#
-#           fi
+      - name: Run tests
+        run: |
+          cd ../boost-root
+          ./b2 -j3 libs/$LIBRARY/test variant=debug,release