diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
deleted file mode 100644
index 0d59259506d..00000000000
--- a/.github/workflows/android.yml
+++ /dev/null
@@ -1,71 +0,0 @@
-name: Android
-
-on:
-   push:
-      branches: [ RC_2_0 master ]
-   pull_request:
-
-concurrency:
-   group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}
-   cancel-in-progress: true
-
-env:
-  NDK_VERSION: "r21d"
-  OPENSSL_VERSION: "1.1.1i"
-  OPENSSL_OPTS: "no-deprecated no-shared no-makedepend -fvisibility=hidden -O3"
-
-jobs:
-
-   android_arm32_build:
-      name: Build Android Arm 32bits
-      runs-on: ubuntu-24.04
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - name: install boost
-        run: |
-          git clone --depth=1 --branch=boost-1.75.0 https://github.com/boostorg/boost.git
-          cd boost
-          git submodule update --init --depth=1
-          ./bootstrap.sh
-          ./b2 headers
-          cd ..
-
-      - name: install ndk
-        run: |
-          wget -nv -O android-ndk.zip https://dl.google.com/android/repository/android-ndk-${NDK_VERSION}-linux-x86_64.zip
-          unzip -qq android-ndk.zip
-          export NDK=${PWD}/android-ndk-${NDK_VERSION}
-          ${NDK}/build/tools/make_standalone_toolchain.py --arch arm --api 19 --stl libc++ --install-dir android-toolchain
-
-      - name: install openssl
-        run: |
-          export ANDROID_TOOLCHAIN=${PWD}/android-toolchain
-          export PATH=${ANDROID_TOOLCHAIN}/arm-linux-androideabi/bin:${PATH}
-          export CC=${ANDROID_TOOLCHAIN}/bin/arm-linux-androideabi-clang
-          wget -nv -O openssl.tar.gz https://www.openssl.org/source/openssl-${OPENSSL_VERSION}.tar.gz
-          tar xzf openssl.tar.gz
-          cd openssl-${OPENSSL_VERSION}
-          ./Configure linux-armv4 ${OPENSSL_OPTS} -march=armv7-a -mfpu=neon -fPIC --prefix=${PWD}/../openssl
-          make &> /dev/null
-          make install_sw &> /dev/null
-          cd ..
-
-      - name: build library
-        run: |
-          export ANDROID_TOOLCHAIN=${PWD}/android-toolchain
-          export PATH=${ANDROID_TOOLCHAIN}/arm-linux-androideabi/bin:${PATH}
-          export BOOST_ROOT=${PWD}/boost
-          export OPENSSL_ROOT=${PWD}/openssl
-          echo "boost-build ${BOOST_ROOT}/tools/build/src ;" > boost-build.jam
-          echo "using clang-linux : arm : ${ANDROID_TOOLCHAIN}/bin/arm-linux-androideabi-clang++
-          <cxxflags>-fPIC
-          <cxxflags>-march=armv7-a
-          <cxxflags>-mfpu=neon ;" >>~/user-config.jam;
-          ${BOOST_ROOT}/b2 warnings-as-errors=on cxxstd=14 toolset=clang-linux-arm target-os=android link=static crypto=openssl openssl-include=${OPENSSL_ROOT}/include openssl-lib=${OPENSSL_ROOT}/lib
diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml
deleted file mode 100644
index b037caf409d..00000000000
--- a/.github/workflows/cifuzz.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-name: CIFuzz
-on: [pull_request]
-jobs:
-  Fuzzing:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Build Fuzzers
-      id: build
-      uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
-      with:
-        oss-fuzz-project-name: 'libtorrent'
-        dry-run: false
-        language: c++
-    - name: Run Fuzzers
-      uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
-      with:
-        oss-fuzz-project-name: 'libtorrent'
-        fuzz-seconds: 300
-        dry-run: false
-        language: c++
-    - name: Upload Crash
-      uses: actions/upload-artifact@v4
-      if: failure() && steps.build.outcome == 'success'
-      with:
-        name: artifacts
-        path: ./out/artifacts
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
deleted file mode 100644
index 66d5c3d5958..00000000000
--- a/.github/workflows/codeql.yml
+++ /dev/null
@@ -1,54 +0,0 @@
-name: "CodeQL"
-
-on:
-  push:
-    branches: [ "RC_2_0", "RC_1_0", "RC_1_1", "RC_1_2", "master" ]
-  pull_request:
-    branches: [ "RC_2_0" ]
-  schedule:
-    - cron: "3 12 * * 2"
-
-jobs:
-  analyze:
-    name: Analyze
-    runs-on: ubuntu-latest
-    permissions:
-      actions: read
-      contents: read
-      security-events: write
-
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ cpp ]
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          submodules: recursive
-          fetch-depth: 1
-          filter: tree:0
-
-      - name: Install Packages (cpp)
-        if: ${{ matrix.language == 'cpp' }}
-        run: |
-          sudo apt-get update
-          sudo apt-get install --yes libboost-all-dev libssl-dev ninja-build
-
-      - name: Initialize CodeQL
-        uses: github/codeql-action/init@v3
-        with:
-          languages: ${{ matrix.language }}
-          queries: +security-and-quality
-
-      - name: Build cpp
-        if: ${{ matrix.language == 'cpp' }}
-        run: |
-          cmake -Dbuild_examples=ON -Dbuild_tests=ON -Dbuild_tools=ON -GNinja .
-          cmake --build .
-
-      - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v3
-        with:
-          category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
deleted file mode 100644
index 79baca08fec..00000000000
--- a/.github/workflows/docs.yml
+++ /dev/null
@@ -1,44 +0,0 @@
-name: Documentation
-
-on:
-   push:
-      branches: [ RC_1_2 RC_2_0 master ]
-   pull_request:
-
-concurrency:
-   group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}
-   cancel-in-progress: true
-
-jobs:
-
-   docs:
-      name: Docs
-      runs-on: ubuntu-24.04
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           fetch-depth: 1
-           filter: tree:0
-
-      - name: update package lists
-        continue-on-error: true
-        run: |
-          sudo apt update
-
-      - name: install dependencies
-        run: |
-          sudo apt install python3-docutils python3-pygments python3-pil gsfonts inkscape icoutils graphviz hunspell imagemagick
-          python3 -m pip install aafigure
-          ~/.local/bin/aafigure --version
-
-      - name: spell-check
-        run: |
-          cd docs
-          make AAFIGURE=~/.local/bin/aafigure RST2HTML=rst2html spell-check html
-
-      - name: build docs
-        run: |
-          cd docs
-          make AAFIGURE=~/.local/bin/aafigure RST2HTML=rst2html
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
deleted file mode 100644
index 7f772d46842..00000000000
--- a/.github/workflows/linux.yml
+++ /dev/null
@@ -1,375 +0,0 @@
-name: Linux
-
-on:
-   push:
-      branches: [ RC_1_2 RC_2_0 master ]
-   pull_request:
-
-concurrency:
-   group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}
-   cancel-in-progress: true
-
-jobs:
-
-   pre-commit:
-      runs-on: ubuntu-latest
-      steps:
-      - uses: actions/checkout@v4
-        with:
-           submodules: recursive
-           fetch-depth: 1
-           filter: tree:0
-
-      - uses: actions/setup-python@v5
-        with:
-           python-version: "3.10"
-      - uses: pre-commit/action@v3.0.1
-
-   build:
-      name: build
-      runs-on: ubuntu-22.04
-      continue-on-error: true
-
-      strategy:
-         matrix:
-            include:
-              - config: asio-debugging=on picker-debugging=on
-              - config: extensions=off logging=off streaming=off super-seeding=off share-mode=off predictive-pieces=off dht=off alert-msg=off encryption=off mutable-torrents=off deprecated-functions=off
-              - config: crypto=gcrypt
-              - config: mmap-disk-io=off
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - name: update package lists
-        continue-on-error: true
-        run: |
-          sudo apt update
-
-      - uses: Chocobo1/setup-ccache-action@v1
-        with:
-          update_packager_index: false
-          override_cache_key: ccache-linux-build-${{ github.base_ref }}-${{ matrix.config }}
-          ccache_options: |
-            max_size=5G
-
-      - name: install boost
-        run: |
-          sudo apt install libboost-python-dev libboost-tools-dev libboost-dev libboost-system-dev python3
-          echo "using gcc ;" >>~/user-config.jam
-
-      - name: install gcrypt
-        if: ${{ contains(matrix.config, 'crypto=gcrypt') }}
-        run: sudo apt install libgcrypt20-dev
-
-      - name: build library
-        run: |
-          b2 ${{ matrix.config }} cxxstd=14,17,20 warnings-as-errors=on
-
-      - name: build examples
-        run: |
-          cd examples
-          b2 ${{ matrix.config }} cxxstd=14,17,20 warnings-as-errors=on
-
-      - name: build tools
-        run: |
-          cd tools
-          b2 ${{ matrix.config }} cxxstd=14,17,20 warnings-as-errors=on
-
-      - name: build python bindings
-        run: |
-          cd bindings/python
-          echo "using python ;" >>~/user-config.jam
-          BOOST_ROOT="" b2 ${{ matrix.config }} cxxstd=14,17,20 warnings-as-errors=on
-
-
-   fuzzers:
-      name: Fuzzers
-      runs-on: ubuntu-24.04
-      continue-on-error: true
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - name: update package lists
-        continue-on-error: true
-        run: |
-          sudo apt update
-
-      - uses: Chocobo1/setup-ccache-action@v1
-        with:
-          update_packager_index: false
-          override_cache_key: ccache-linux-fuzzers-${{ github.base_ref }}
-          ccache_options: |
-            max_size=500M
-
-      - name: install clang-14
-        continue-on-error: true
-        run: |
-          sudo apt install clang-14
-
-      - name: install boost
-        run: |
-          sudo apt install libboost-tools-dev libboost-dev libboost-system-dev
-          echo "using clang : 14 : clang++-14 ;" >>~/user-config.jam
-
-      - name: build fuzzers
-        run: |
-          cd fuzzers
-          b2 clang cxxstd=14 warnings-as-errors=on
-
-
-
-   check_headers:
-      name: check headers
-      runs-on: ubuntu-24.04
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - name: update package lists
-        continue-on-error: true
-        run: |
-          sudo apt update
-
-      - uses: Chocobo1/setup-ccache-action@v1
-        with:
-          update_packager_index: false
-          override_cache_key: ccache-linux-check-headers-${{ github.base_ref }}
-          ccache_options: |
-            max_size=500M
-
-      - name: install boost
-        run: |
-          sudo apt install libboost-tools-dev libboost-dev libboost-system-dev
-          echo "using gcc ;" >>~/user-config.jam
-
-      - name: compile header files individually
-        run: |
-          b2 check-headers cxxstd=14 warnings-as-errors=on
-
-
-
-   clang_tidy:
-      name: clang-tidy
-      runs-on: ubuntu-24.04
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - name: update package lists
-        continue-on-error: true
-        run: |
-          sudo apt update
-
-      - uses: Chocobo1/setup-ccache-action@v1
-        with:
-          update_packager_index: false
-          override_cache_key: ccache-linux-clang-tidy-${{ github.base_ref }}
-          ccache_options: |
-            max_size=500M
-
-      - name: install clang-tidy
-        run: sudo apt install clang-tidy libc++-dev
-
-      - name: install boost
-        run: |
-          sudo apt install libboost-tools-dev libboost-dev
-          echo "using clang_tidy : : clang-tidy \"-checks=-clang-analyzer-core.*,-clang-analyzer-optin.core.EnumCastOutOfRange,-clang-analyzer-unix.*\" : <cxxflags>-std=c++14 <cxxflags>-I/usr/local/clang-7.0.0/include/c++/v1 <cxxflags>-stdlib=libc++ <cxxflags>-Wno-unknown-warning-option <linkflags>-stdlib=libc++ ;" >> ~/user-config.jam;
-
-      - name: analyze
-        run: |
-          b2 -a clang_tidy
-
-
-
-   test:
-      name: Tests
-      runs-on: ubuntu-22.04
-      continue-on-error: true
-
-      strategy:
-         matrix:
-            include:
-               - config: address-sanitizer=norecover undefined-sanitizer=norecover crypto=openssl
-               - config: toolset=clang logging=off address-sanitizer=norecover undefined-sanitizer=norecover
-               - config: thread-sanitizer=norecover crypto=openssl release debug-symbols=on cxxflags=-Wno-tsan
-               - config: crypto=gnutls
-               - config: deprecated-functions=off
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - name: update package lists
-        continue-on-error: true
-        run: |
-          sudo apt update
-
-      - uses: Chocobo1/setup-ccache-action@v1
-        with:
-          update_packager_index: false
-          override_cache_key: ccache-linux-tests-${{ matrix.config }}-${{ github.base_ref }}
-          ccache_options: |
-            max_size=5G
-
-      - name: install gnutls
-        if: ${{ contains(matrix.config, 'crypto=gnutls') }}
-        run: |
-          sudo apt install libgnutls28-dev
-
-      - name: install clang-12
-        continue-on-error: true
-        run: |
-          sudo apt install clang-12
-
-      - name: install GCC-12
-        continue-on-error: true
-        run: |
-          sudo apt install gcc-12
-
-      - name: install boost
-        run: |
-          sudo apt install libboost-tools-dev libboost-dev libboost-system-dev
-          echo "using gcc : 12 : g++-12 ;" >>~/user-config.jam
-          echo "using clang : 12 : clang++-12 ;" >>~/user-config.jam
-
-      - name: build and run tests
-        run: |
-          cd test
-          b2 ${{ matrix.config }} -l500 warnings-as-errors=on debug-iterators=on invariant-checks=full asserts=on deterministic-tests
-
-      - name: run tests (flaky)
-        uses: nick-fields/retry@v3
-        with:
-          timeout_minutes: 30
-          retry_wait_seconds: 4
-          max_attempts: 3
-          command: (cd test; b2 ${{ matrix.config }} -l500 warnings-as-errors=on debug-iterators=on invariant-checks=full asserts=on)
-
-
-
-   sim:
-      name: Simulations
-      runs-on: ubuntu-24.04
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - name: update package lists
-        continue-on-error: true
-        run: |
-          sudo apt update
-
-      - uses: Chocobo1/setup-ccache-action@v1
-        with:
-          update_packager_index: false
-          override_cache_key: ccache-linux-simulations-${{ github.base_ref }}
-          ccache_options: |
-            max_size=5G
-
-      - name: install boost
-        run: |
-          sudo apt install libboost-tools-dev libboost-dev libboost-system-dev
-          echo "using gcc ;" >>~/user-config.jam
-
-      - name: build and run simulations
-        run: |
-          cd simulation
-          b2 debug-iterators=on invariant-checks=full asserts=on picker-debugging=on
-
-      - name: build simulations no deprecated
-        run: |
-          cd simulation
-          b2 testing.execute=off deprecated-functions=off
-
-
-   dist:
-      name: build dist
-      runs-on: ${{ matrix.os }}
-
-      strategy:
-         matrix:
-            os: [ubuntu-24.04, ubuntu-22.04]
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - name: update package lists
-        continue-on-error: true
-        run: |
-          sudo apt update
-
-      - uses: Chocobo1/setup-ccache-action@v1
-        with:
-          update_packager_index: false
-          override_cache_key: ccache-linux-dist-${{ matrix.os }}-${{ github.base_ref }}
-          ccache_options: |
-            max_size=15G
-
-      - name: install dependencies
-        run: |
-          sudo apt install libboost-tools-dev libboost-python-dev libboost-dev libboost-system-dev
-          sudo apt install python3-docutils python3-pygments python3-pil gsfonts inkscape icoutils graphviz hunspell imagemagick python3-setuptools
-          python3 -m pip install aafigure
-          echo "using gcc ;" >>~/user-config.jam
-
-      - name: build tarball
-        run: AAFIGURE=~/.local/bin/aafigure RST2HTML=rst2html make dist
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: tarball-${{ matrix.os }}
-          path: libtorrent-rasterbar-*.tar.gz
-
-      - name: test-tarball (b2 install)
-        run: |
-          tar xvzf libtorrent-rasterbar-*.tar.gz
-          cd libtorrent-rasterbar-*/
-          b2 install cxxstd=14 --prefix=test-install-root
-          cat test-install-root/lib/pkgconfig/libtorrent-rasterbar.pc
-
-      - name: test-tarball (b2 tests)
-        run: |
-          cd libtorrent-rasterbar-*/test
-          b2 testing.execute=off
-          b2 test_torrent_info
-
-      - name: test-tarball (python bindings)
-        run: |
-          cd libtorrent-rasterbar-*/
-          python3 bindings/python/setup.py build
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
deleted file mode 100644
index f8d93eeecf1..00000000000
--- a/.github/workflows/macos.yml
+++ /dev/null
@@ -1,167 +0,0 @@
-name: MacOS
-
-on:
-   push:
-      branches: [ RC_1_2 RC_2_0 master ]
-   pull_request:
-
-concurrency:
-   group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}
-   cancel-in-progress: true
-
-env:
-   HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK: 1
-   HOMEBREW_NO_AUTO_UPDATE: 1
-
-jobs:
-
-   test:
-      name: Tests
-      runs-on: macos-latest
-      continue-on-error: true
-
-      strategy:
-         matrix:
-            config: [ crypto=built-in, deprecated-functions=off ]
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - uses: Chocobo1/setup-ccache-action@v1
-        with:
-          override_cache_key: ccache-macos-test-${{ matrix.config }}-${{ github.base_ref }}
-          ccache_options: |
-            max_size=1G
-
-      - name: install boost
-        run: |
-          brew install boost-build boost openssl@3
-          echo "using darwin ;" >>~/user-config.jam
-
-      - name: build and run tests
-        run: (cd test; b2 ${{ matrix.config }} -l400 warnings-as-errors=on debug-iterators=on invariant-checks=full asserts=on deterministic-tests)
-
-      - name: run tests (flaky)
-        uses: nick-fields/retry@v3
-        with:
-          timeout_minutes: 30
-          retry_wait_seconds: 1
-          max_attempts: 3
-          command: (cd test; b2 ${{ matrix.config }} -l400 warnings-as-errors=on debug-iterators=on invariant-checks=full asserts=on)
-
-
-   sim:
-      name: Simulations
-      runs-on: macos-latest
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - uses: Chocobo1/setup-ccache-action@v1
-        with:
-          override_cache_key: ccache-macos-sim-${{ github.base_ref }}
-          ccache_options: |
-            max_size=1G
-
-      - name: install boost
-        run: |
-          brew install boost-build boost openssl@3
-          echo "using darwin ;" >>~/user-config.jam
-
-      - name: build and run simulations
-        run: |
-          cd simulation
-          b2 -l400 debug-iterators=on invariant-checks=full asserts=on
-
-
-   build:
-      name: Build
-      runs-on: macos-latest
-      continue-on-error: true
-
-      strategy:
-         matrix:
-            config: [ crypto=built-in, release ]
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - uses: Chocobo1/setup-ccache-action@v1
-        with:
-          override_cache_key: ccache-macos-build-${{ matrix.config }}-${{ github.base_ref }}
-          ccache_options: |
-            max_size=1G
-
-      - name: install boost
-        run: |
-          brew install boost-build boost openssl@3
-          echo "using darwin ;" >>~/user-config.jam
-
-      - name: build library
-        run: |
-          b2 ${{ matrix.config }} -l400 warnings-as-errors=on cxxstd=14
-
-
-   ios_build:
-      name: Build iOS
-      runs-on: macos-latest
-      continue-on-error: true
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - name: install boost
-        run: |
-          git clone --depth=1 --recurse-submodules -j10 --branch=boost-1.78.0 https://github.com/boostorg/boost.git
-          cd boost
-          ./bootstrap.sh
-
-      - name: boost headers
-        run: |
-          cd boost
-          ./b2 headers
-          cp b2 ..
-
-      - name: user-config
-        run: |
-          echo "using darwin : ios_sim : clang++ : <compileflags>-Wno-deprecated-declarations
-          <compileflags>\"-isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk\"
-          <compileflags>-mios-simulator-version-min=7
-          <compileflags>-fobjc-abi-version=2
-          <linkflags>\"-isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk\"
-          <linkflags>-mios-simulator-version-min=7
-          <linkflags>-fobjc-abi-version=2 ;" >>~/user-config.jam;
-
-          echo "using darwin : ios : clang++ : <compileflags>-Wno-deprecated-declarations
-          <compileflags>\"-isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk\"
-          <compileflags>-mios-version-min=7
-          <compileflags>\"-arch armv7\"
-          <compileflags>-fobjc-abi-version=2
-          <linkflags>\"-isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk\"
-          <linkflags>-mios-version-min=7
-          <linkflags>\"-arch armv7\"
-          <linkflags>-fobjc-abi-version=2 ;" >>~/user-config.jam;
-
-      - name: build library
-        run: |
-          BOOST_ROOT=boost ./b2 -l400 cxxstd=14 target-os=iphone crypto=built-in darwin-ios darwin-ios_sim address-model=64  link=static
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
deleted file mode 100644
index b4bc664bce3..00000000000
--- a/.github/workflows/python.yml
+++ /dev/null
@@ -1,122 +0,0 @@
-name: Python bindings
-
-on:
-   push:
-      branches: [ RC_1_2 RC_2_0 master ]
-   pull_request:
-
-concurrency:
-   group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}
-   cancel-in-progress: true
-
-env:
-   HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK: 1
-   HOMEBREW_NO_AUTO_UPDATE: 1
-
-jobs:
-
-  test:
-    name: build
-    runs-on: ${{ matrix.os }}
-
-    strategy:
-      matrix:
-        os: [ubuntu-24.04, macos-latest, windows-latest ]
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-        fetch-depth: 1
-        filter: tree:0
-
-    - name: dependencies (MacOS)
-      if: runner.os == 'macOS'
-      run: |
-        brew install boost-build boost boost-python3 python@3.13 openssl@3 python-setuptools
-        export PATH=$(brew --prefix)/opt/python@3.13/bin:$PATH
-
-    - name: update package lists (linux)
-      if: runner.os == 'Linux'
-      continue-on-error: true
-      run: |
-        sudo apt update
-
-    - uses: Chocobo1/setup-ccache-action@v1
-      if: runner.os != 'Windows'
-      with:
-        update_packager_index: false
-        override_cache_key: ccache-python-${{ matrix.os }}-${{ github.base_ref }}
-        ccache_options: |
-          max_size=500M
-
-    - name: dependencies (linux)
-      if: runner.os == 'Linux'
-      run: |
-        sudo apt install libboost-tools-dev libboost-python-dev libboost-dev libboost-system-dev python3 python3-setuptools libssl-dev
-
-    - name: install boost (windows)
-      if: runner.os == 'Windows'
-      shell: cmd
-      run: |
-        git clone --depth=1 --recurse-submodules -j10 --branch=boost-1.78.0 https://github.com/boostorg/boost.git
-        cd boost
-        bootstrap.bat
-
-    - name: boost headers (windows)
-      if: runner.os == 'Windows'
-      shell: cmd
-      run: |
-        cd boost
-        .\b2 headers
-
-    - name: build/install (windows)
-      if: runner.os == 'Windows'
-      shell: cmd
-      run: |
-        set BOOST_ROOT=%CD%\boost
-        set BOOST_BUILD_PATH=%BOOST_ROOT%\tools\build
-        set PATH=%BOOST_ROOT%;%PATH%
-
-        cd bindings\python
-        python setup.py build_ext --b2-args "asserts=on invariant-checks=full" install --user --prefix=
-
-    - name: tests (windows)
-      if: runner.os == 'Windows'
-      shell: cmd
-      run: |
-        cd bindings\python
-        python test.py
-
-    - name: build no-deprecated (Linux)
-      if: runner.os == 'Linux'
-      run: |
-        cd bindings/python
-        python3 setup.py build_ext --b2-args "deprecated-functions=off"
-
-    - name: build/install (Linux)
-      if: runner.os == 'Linux'
-      run: |
-        cd bindings/python
-        python3 setup.py build_ext install --user --prefix=
-
-    - name: build/install (MacOS)
-      if: runner.os == 'macOS'
-      run: |
-        # Install to Homebrew's python site-packages. no need for --user and --prefix
-        cd bindings/python
-        export PATH=$(brew --prefix)/opt/python@3.13/bin:$PATH
-        python3.13 setup.py build_ext install --install-lib $(brew --prefix)/lib/python3.13/site-packages
-
-    - name: tests (Linux)
-      if: runner.os == 'Linux'
-      run: |
-        cd bindings/python
-        python3 test.py
-
-    - name: tests (MacOS)
-      if: runner.os == 'macOS'
-      run: |
-        cd bindings/python
-        export PATH=$(brew --prefix)/opt/python@3.13/bin:$PATH
-        python3.13 test.py
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
deleted file mode 100644
index f249b5f241e..00000000000
--- a/.github/workflows/windows.yml
+++ /dev/null
@@ -1,217 +0,0 @@
-name: Windows
-
-on:
-   push:
-      branches: [ RC_1_2 RC_2_0 master ]
-   pull_request:
-
-defaults:
-   run:
-      shell: cmd
-
-concurrency:
-   group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}
-   cancel-in-progress: true
-
-jobs:
-
-   tests:
-      name: Test
-      runs-on: windows-latest
-      continue-on-error: true
-
-      strategy:
-         matrix:
-           include:
-             - config: address-model=32 crypto=built-in
-             - config: address-model=64
-             - config: release
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - name: install boost
-        run: |
-          git clone --depth=1 --recurse-submodules -j10 --branch=boost-1.78.0 https://github.com/boostorg/boost.git
-          cd boost
-          bootstrap.bat
-
-      - name: boost headers
-        run: |
-          cd boost
-          .\b2 headers
-
-      - name: tests (deterministic)
-        run: |
-          set BOOST_ROOT=%CD%\boost
-          set PATH=%BOOST_ROOT%;%PATH%
-          set PYTHON_INTERPRETER=python
-          cd test
-          b2 -l400 msvc-version-macro=on warnings=all warnings-as-errors=on ${{ matrix.config }} deterministic-tests
-
-
-      - name: tests (flaky)
-        run: |
-          set BOOST_ROOT=%CD%\boost
-          set PATH=%BOOST_ROOT%;%PATH%
-          set PYTHON_INTERPRETER=python
-          cd test
-          set c=3
-          :retry
-          if %c%==0 exit /B 1
-          set /a c = %c% -1
-          b2 -l400 msvc-version-macro=on warnings=all warnings-as-errors=on ${{ matrix.config }}
-          if %errorlevel%==0 exit /B 0
-          if %c% gtr 0 goto retry
-          exit /B 1
-
-   simulations:
-      name: Simulations
-      runs-on: windows-2019
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - name: install boost
-        run: |
-          git clone --depth=1 --recurse-submodules -j10 --branch=boost-1.78.0 https://github.com/boostorg/boost.git
-          cd boost
-          bootstrap.bat
-
-      - name: boost headers
-        run: |
-          cd boost
-          .\b2 headers
-
-      - shell: pwsh
-        run: |
-          echo "BOOST_ROOT=$(pwd)/boost" >> $env:GITHUB_ENV
-          echo "$(pwd)/boost" >> $env:GITHUB_PATH
-
-  # debug iterators are turned off here because msvc has issues with noexcept
-  # specifiers when debug iterators are enabled. Specifically, constructors that
-  # allocate memory are still marked as noexcept. That results in program
-  # termination
-  # the IOCP backend in asio appears to have an issue where it hangs under
-  # certain unexpected terminations (through exceptions)
-      - name: build sims
-        run: |
-          echo %BOOST_ROOT%
-          echo %PATH%
-          cd simulation
-          b2 --hash release msvc-version-macro=on address-model=64 link=static debug-iterators=off invariant-checks=on define=BOOST_ASIO_DISABLE_IOCP asserts=on testing.execute=off
-
-      - name: run sims
-        uses: nick-fields/retry@v3
-        with:
-          max_attempts: 3
-          timeout_minutes: 120
-          command: |
-            cd simulation
-            b2 --hash -l700 release msvc-version-macro=on address-model=64 link=static debug-iterators=off invariant-checks=on define=BOOST_ASIO_DISABLE_IOCP asserts=on
-
-   build:
-      name: Build
-      runs-on: windows-2019
-      continue-on-error: true
-
-      strategy:
-         matrix:
-           include:
-             - config: asio-debugging=on picker-debugging=on windows-version=vista
-             - config: windows-api=store windows-version=win10
-             - config: deprecated-functions=off
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - name: install boost
-        run: |
-          git clone --depth=1 --recurse-submodules -j10 --branch=boost-1.78.0 https://github.com/boostorg/boost.git
-          cd boost
-          bootstrap.bat
-
-      - name: boost headers
-        run: |
-          cd boost
-          .\b2 headers
-
-      - name: build library
-        run: |
-          set BOOST_ROOT=%CD%\boost
-          set PATH=%BOOST_ROOT%;%PATH%
-          b2 ${{ matrix.config }} cxxstd=14 msvc-version-macro=on address-model=64 warnings=all warnings-as-errors=on
-
-      - name: build examples
-        if: ${{ ! contains(matrix.config, 'windows-api=store') }}
-        run: |
-          set BOOST_ROOT=%CD%\boost
-          set PATH=%BOOST_ROOT%;%PATH%
-          cd examples
-          b2 ${{ matrix.config }} msvc-version-macro=on address-model=64 warnings=all warnings-as-errors=on
-
-      - name: build tools
-        if: ${{ ! contains(matrix.config, 'windows-api=store') }}
-        run: |
-          set BOOST_ROOT=%CD%\boost
-          set PATH=%BOOST_ROOT%;%PATH%
-          cd tools
-          b2 ${{ matrix.config }} msvc-version-macro=on address-model=64 warnings=all warnings-as-errors=on
-
-   mingw:
-      name: MingW
-      runs-on: windows-latest
-      continue-on-error: true
-
-      strategy:
-         matrix:
-           include:
-             - config: address-model=64
-
-      steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-           submodules: true
-           fetch-depth: 1
-           filter: tree:0
-
-      - name: install boost
-        run: |
-          git clone --depth=1 --recurse-submodules -j10 --branch=boost-1.78.0 https://github.com/boostorg/boost.git
-          cd boost
-          bootstrap.bat
-
-      - name: boost headers
-        run: |
-          cd boost
-          .\b2 headers
-
-      - name: Set up MinGW
-        uses: egor-tensin/setup-mingw@v2
-        with:
-          static: 0
-          platform: x64
-
-      - name: tests (deterministic)
-        run: |
-          set BOOST_ROOT=%CD%\boost
-          set PATH=%BOOST_ROOT%;%PATH%
-          set PYTHON_INTERPRETER=python
-          cd test
-          b2 toolset=gcc asserts=on release target-os=windows -l400 warnings=all warnings-as-errors=on ${{ matrix.config }} cxxflags=-Wno-error=array-bounds cxxflags=-Wno-error=stringop-overflow deterministic-tests testing.execute=off
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a2630bac6be..bc0bbdf0038 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -31,11 +31,6 @@ repos:
     -   id: debug-statements
     -   id: check-symlinks
     -   id: check-toml
-- repo: https://github.com/pappasam/toml-sort
-  rev: v0.24.2
-  hooks:
-  - id: toml-sort
-    args: [--all, --in-place]
 - repo: https://github.com/pre-commit/pygrep-hooks
   rev: v1.10.0
   hooks:
diff --git a/pyproject.toml b/pyproject.toml
index 0f4af51b6a8..36871359468 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,8 +24,8 @@ PATH = "/tmp/boost:$PATH"
 before-all = [
   "./tools/cibuildwheel/setup_boost.sh $BOOST_VERSION $BOOST_ROOT",
   "./tools/cibuildwheel/setup_ccache_on_manylinux.sh",
-  "./tools/cibuildwheel/setup_openssl.sh",
-  "yum install -y glibc-static" # needed for libutil.a and libdl.a
+  "yum install -y openssl-devel",
+  "yum install -y glibc-static", # needed for libutil.a and libdl.a
 ]
 before-test = "ccache -s"
 select = "*-manylinux_*"
diff --git a/tools/cibuildwheel/manylinux/build-openssl.sh b/tools/cibuildwheel/manylinux/build-openssl.sh
index b93e209acad..faa9757808e 100755
--- a/tools/cibuildwheel/manylinux/build-openssl.sh
+++ b/tools/cibuildwheel/manylinux/build-openssl.sh
@@ -8,19 +8,20 @@ set -exuo pipefail
 MY_DIR=$(dirname "${BASH_SOURCE[0]}")
 
 # Get build utilities
-source $MY_DIR/build_utils.sh
+# shellcheck source-path=SCRIPTDIR
+source "${MY_DIR}/build_utils.sh"
 
 # Install a more recent openssl
-check_var ${OPENSSL_ROOT}
-check_var ${OPENSSL_HASH}
-check_var ${OPENSSL_DOWNLOAD_URL}
+check_var "${OPENSSL_ROOT}"
+check_var "${OPENSSL_HASH}"
+check_var "${OPENSSL_DOWNLOAD_URL}"
 
 OPENSSL_VERSION=${OPENSSL_ROOT#*-}
 OPENSSL_MIN_VERSION=1.1.1
 
 # || test $? -eq 141 is there to ignore SIGPIPE with set -o pipefail
 # c.f. https://stackoverflow.com/questions/22464786/ignoring-bash-pipefail-for-error-code-141#comment60412687_33026977
-INSTALLED=$((openssl version | head -1 || test $? -eq 141) | awk '{ print $2 }')
+INSTALLED=$( (openssl version | head -1 || test $? -eq 141) | awk '{ print $2 }')
 SMALLEST=$(echo -e "${INSTALLED}\n${OPENSSL_MIN_VERSION}" | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n | head -1 || test $? -eq 141)
 
 # Ignore letters in version numbers
@@ -29,23 +30,24 @@ if [ "${SMALLEST}" = "${OPENSSL_MIN_VERSION}" ]; then
 	exit 0
 fi
 
-if which yum; then
-	yum erase -y openssl-devel
-elif which apk; then
-	apk del openssl-dev
-else
-	apt-get remove -y libssl-dev
+if [ "${OS_ID_LIKE}" = "rhel" ];then
+	manylinux_pkg_remove openssl-devel
+elif [ "${OS_ID_LIKE}" = "alpine" ]; then
+	manylinux_pkg_remove openssl-dev
 fi
 
-fetch_source ${OPENSSL_ROOT}.tar.gz ${OPENSSL_DOWNLOAD_URL}
-check_sha256sum ${OPENSSL_ROOT}.tar.gz ${OPENSSL_HASH}
-tar -xzf ${OPENSSL_ROOT}.tar.gz
-pushd ${OPENSSL_ROOT}
-./config no-shared --prefix=/usr/local/ssl --openssldir=/usr/local/ssl CPPFLAGS="${MANYLINUX_CPPFLAGS}" CFLAGS="${MANYLINUX_CFLAGS} -fPIC" CXXFLAGS="${MANYLINUX_CXXFLAGS} -fPIC" LDFLAGS="${MANYLINUX_LDFLAGS} -fPIC" > /dev/null
-make > /dev/null
-make install_sw > /dev/null
+PREFIX=/opt/_internal/openssl-${OPENSSL_VERSION%.*}
+
+fetch_source "${OPENSSL_ROOT}.tar.gz" "${OPENSSL_DOWNLOAD_URL}"
+check_sha256sum "${OPENSSL_ROOT}.tar.gz" "${OPENSSL_HASH}"
+tar -xzf "${OPENSSL_ROOT}.tar.gz"
+pushd "${OPENSSL_ROOT}"
+./Configure "--prefix=${PREFIX}" "--openssldir=${PREFIX}" --libdir=lib CPPFLAGS="${MANYLINUX_CPPFLAGS}" CFLAGS="${MANYLINUX_CFLAGS}" CXXFLAGS="${MANYLINUX_CXXFLAGS}" LDFLAGS="${MANYLINUX_LDFLAGS} -Wl,-rpath,\$(LIBRPATH)" > /dev/null
+make
+make install_sw
 popd
-rm -rf ${OPENSSL_ROOT} ${OPENSSL_ROOT}.tar.gz
+rm -rf "${OPENSSL_ROOT}" "${OPENSSL_ROOT}.tar.gz"
 
+strip_ "${PREFIX}"
 
-/usr/local/ssl/bin/openssl version
+"${PREFIX}/bin/openssl" version
diff --git a/tools/cibuildwheel/manylinux/build_utils.sh b/tools/cibuildwheel/manylinux/build_utils.sh
index 961e34d0512..04dfa2446a4 100755
--- a/tools/cibuildwheel/manylinux/build_utils.sh
+++ b/tools/cibuildwheel/manylinux/build_utils.sh
@@ -10,58 +10,114 @@ MANYLINUX_CFLAGS="-g -O2 -Wall -fdebug-prefix-map=/=. -fstack-protector-strong -
 MANYLINUX_CXXFLAGS="-g -O2 -Wall -fdebug-prefix-map=/=. -fstack-protector-strong -Wformat -Werror=format-security"
 MANYLINUX_LDFLAGS="-Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now"
 
-export BASE_POLICY=manylinux
-if [ "${AUDITWHEEL_POLICY:0:9}" == "musllinux" ]; then
+if [ "${AUDITWHEEL_POLICY:0:10}" == "musllinux_" ]; then
 	export BASE_POLICY=musllinux
+	PACKAGE_MANAGER=apk
+else
+	export BASE_POLICY=manylinux
+	if command -v dnf >/dev/null 2>&1; then
+		PACKAGE_MANAGER=dnf
+	elif command -v yum >/dev/null 2>&1; then
+		PACKAGE_MANAGER=yum
+	else
+		echo "unsupported image"
+		exit 1
+	fi
 fi
 
+# shellcheck source=/dev/null
+OS_ID_LIKE=$(. /etc/os-release; echo "${ID} ${ID_LIKE:-}")
+case "${OS_ID_LIKE}" in
+	*rhel*) OS_ID_LIKE=rhel;;
+	*alpine*) OS_ID_LIKE=alpine;;
+	*) echo "unsupported image"; exit 1;;
+esac
+
 function check_var {
-    if [ -z "$1" ]; then
-        echo "required variable not defined"
-        exit 1
-    fi
+	if [ -z "$1" ]; then
+		echo "required variable not defined"
+		exit 1
+	fi
 }
 
 
 function fetch_source {
-    # This is called both inside and outside the build context (e.g. in Travis) to prefetch
-    # source tarballs, where curl exists (and works)
-    local file=$1
-    check_var ${file}
-    local url=$2
-    check_var ${url}
-    if [ -f ${file} ]; then
-        echo "${file} exists, skipping fetch"
-    else
-        curl -fsSL -o ${file} ${url}/${file}
-    fi
+	# This is called both inside and outside the build context (e.g. in Travis) to prefetch
+	# source tarballs, where curl exists (and works)
+	local file=$1
+	check_var "${file}"
+	local url=$2
+	check_var "${url}"
+	if [ -f "${file}" ]; then
+		echo "${file} exists, skipping fetch"
+	else
+		curl -fsSL -o "${file}" "${url}/${file}"
+	fi
 }
 
 
 function check_sha256sum {
-    local fname=$1
-    check_var ${fname}
-    local sha256=$2
-    check_var ${sha256}
-
-    echo "${sha256}  ${fname}" > ${fname}.sha256
-    sha256sum -c ${fname}.sha256
-    rm -f ${fname}.sha256
-}
+	local fname=$1
+	check_var "${fname}"
+	local sha256=$2
+	check_var "${sha256}"
 
+	echo "${sha256}  ${fname}" > "${fname}.sha256"
+	sha256sum -c "${fname}.sha256"
+	rm -f "${fname}.sha256"
+}
 
+# shellcheck disable=SC2120 # optional arguments
 function do_standard_install {
-    ./configure "$@" CPPFLAGS="${MANYLINUX_CPPFLAGS}" CFLAGS="${MANYLINUX_CFLAGS}" "CXXFLAGS=${MANYLINUX_CXXFLAGS}" LDFLAGS="${MANYLINUX_LDFLAGS}" > /dev/null
-    make > /dev/null
-    make install > /dev/null
+	./configure "$@" CPPFLAGS="${MANYLINUX_CPPFLAGS}" CFLAGS="${MANYLINUX_CFLAGS}" "CXXFLAGS=${MANYLINUX_CXXFLAGS}" LDFLAGS="${MANYLINUX_LDFLAGS}" > /dev/null
+	make > /dev/null
+	make install > /dev/null
 }
 
 function strip_ {
 	# Strip what we can -- and ignore errors, because this just attempts to strip
 	# *everything*, including non-ELF files:
-	find $1 -type f -print0 | xargs -0 -n1 strip --strip-unneeded 2>/dev/null || true
+	find "$1" -type f -print0 | xargs -0 -n1 strip --strip-unneeded 2>/dev/null || true
 }
 
 function clean_pyc {
-	find $1 -type f -a \( -name '*.pyc' -o -name '*.pyo' \) -delete
+	find "$1" -type f -a \( -name '*.pyc' -o -name '*.pyo' \) -delete
+}
+
+function manylinux_pkg_install {
+	if [ "${PACKAGE_MANAGER}" = "yum" ]; then
+		yum -y install "$@"
+	elif [ "${PACKAGE_MANAGER}" = "dnf" ]; then
+		dnf -y install --allowerasing "$@"
+	elif [ "${PACKAGE_MANAGER}" = "apk" ]; then
+		apk add --no-cache "$@"
+	else
+		return 1
+	fi
+}
+
+function manylinux_pkg_remove {
+	if [ "${PACKAGE_MANAGER}" = "yum" ]; then
+		yum erase -y "$@"
+	elif [ "${PACKAGE_MANAGER}" = "dnf" ];then
+		dnf erase -y "$@"
+	elif [ "${PACKAGE_MANAGER}" = "apk" ]; then
+		apk del "$@"
+	else
+		return 1
+	fi
+}
+
+function manylinux_pkg_clean {
+	if [ "${PACKAGE_MANAGER}" = "yum" ]; then
+		yum clean all
+		rm -rf /var/cache/yum
+	elif [ "${PACKAGE_MANAGER}" = "dnf" ]; then
+		dnf clean all
+		rm -rf /var/cache/dnf
+	elif [ "${PACKAGE_MANAGER}" = "apk" ]; then
+		:
+	else
+		return 1
+	fi
 }
diff --git a/tools/cibuildwheel/manylinux/openssl-version.sh b/tools/cibuildwheel/manylinux/openssl-version.sh
index 8c645e1bad8..09eb43bf9f0 100755
--- a/tools/cibuildwheel/manylinux/openssl-version.sh
+++ b/tools/cibuildwheel/manylinux/openssl-version.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
 
-export OPENSSL_ROOT=openssl-1.1.1l
-export OPENSSL_HASH=0b7a3e5e59c34827fe0c3a74b7ec8baef302b98fa80088d7f9153aa16fa76bd1
-export OPENSSL_DOWNLOAD_URL=https://www.openssl.org/source
+export OPENSSL_ROOT=openssl-3.0.15
+export OPENSSL_HASH=23c666d0edf20f14249b3d8f0368acaee9ab585b09e1de82107c66e1f3ec9533
+export OPENSSL_DOWNLOAD_URL=https://github.com/openssl/openssl/releases/download/${OPENSSL_ROOT}