diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index da98585152..66c9d432ff 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -49,7 +49,7 @@ jobs:
         uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
 
       - name: Install apt packages
-        run: sudo sed -i 's/azure\.//' /etc/apt/sources.list && sudo apt update && sudo apt install  ${{ matrix.cfg.cpp-version }} libsodium-dev libopus-dev zlib1g-dev rpm
+        run: sudo sed -i 's/azure\.//' /etc/apt/sources.list && sudo apt update && sudo apt-get install -y ${{ matrix.cfg.cpp-version }} libsodium-dev libopus-dev zlib1g-dev rpm
 
       - name: Generate CMake
         run: mkdir build && cd build && cmake -DDPP_NO_VCPKG=ON -DAVX_TYPE=AVX0 -DCMAKE_BUILD_TYPE=Release ..
@@ -77,18 +77,20 @@ jobs:
     strategy:
       fail-fast: false # Don't fail everything if one fails. We want to test each OS/Compiler individually
       matrix:
+        # GitHub hosted runners on Azure
+        # arm7hf is a self-hosted docker-based runner at Brainbox.cc. Raspberry Pi 4, 8gb 4-core with NEON
         cfg:
-          - { arch: 'amd64', os: ubuntu-20.04, package: clang-10, cpp-version: clang++-10, cmake-flags: '' }
-          - { arch: 'amd64', os: ubuntu-22.04, package: clang-11, cpp-version: clang++-11, cmake-flags: '' }
-          - { arch: 'amd64', os: ubuntu-22.04, package: clang-12, cpp-version: clang++-12, cmake-flags: '' }
-          - { arch: 'amd64', os: ubuntu-22.04, package: clang-13, cpp-version: clang++-13, cmake-flags: '' }
-          - { arch: 'amd64', os: ubuntu-22.04, package: clang-14, cpp-version: clang++-14, cmake-flags: '' }
-          - { arch: 'amd64', os: ubuntu-22.04, package: clang-15, cpp-version: clang++-15, cmake-flags: '-DDPP_CORO=ON' }
-          - { arch: 'amd64', os: ubuntu-22.04, package: g++-12, cpp-version: g++-12, cmake-flags: '-DDPP_CORO=ON' }
-          - { arch: 'amd64', os: ubuntu-22.04, package: g++-11, cpp-version: g++-11, cmake-flags: '-DDPP_CORO=ON' }
-          - { arch: 'amd64', os: ubuntu-22.04, package: g++-10, cpp-version: g++-10, cmake-flags: '' }
-          - { arch: 'amd64', os: ubuntu-20.04, package: g++-9, cpp-version: g++-9, cmake-flags: '' }
-
+          - { arch: 'amd64', concurrency: 2, os: ubuntu-20.04, package: clang-10, cpp-version: clang++-10, cmake-flags: '', cpack: 'no' }
+          - { arch: 'amd64', concurrency: 2, os: ubuntu-22.04, package: clang-11, cpp-version: clang++-11, cmake-flags: '', cpack: 'no' }
+          - { arch: 'amd64', concurrency: 2, os: ubuntu-22.04, package: clang-12, cpp-version: clang++-12, cmake-flags: '', cpack: 'no' }
+          - { arch: 'amd64', concurrency: 2, os: ubuntu-22.04, package: clang-13, cpp-version: clang++-13, cmake-flags: '', cpack: 'no' }
+          - { arch: 'amd64', concurrency: 2, os: ubuntu-22.04, package: clang-14, cpp-version: clang++-14, cmake-flags: '', cpack: 'no' }
+          - { arch: 'amd64', concurrency: 2, os: ubuntu-22.04, package: clang-15, cpp-version: clang++-15, cmake-flags: '-DDPP_CORO=ON', cpack: 'no' }
+          - { arch: 'amd64', concurrency: 2, os: ubuntu-22.04, package: g++-12, cpp-version: g++-12, cmake-flags: '-DDPP_CORO=ON', cpack: 'no' }
+          - { arch: 'amd64', concurrency: 2, os: ubuntu-22.04, package: g++-11, cpp-version: g++-11, cmake-flags: '-DDPP_CORO=ON', cpack: 'no' }
+          - { arch: 'amd64', concurrency: 2, os: ubuntu-22.04, package: g++-10, cpp-version: g++-10, cmake-flags: '', cpack: 'yes' }
+          - { arch: 'amd64', concurrency: 2, os: ubuntu-20.04, package: g++-9, cpp-version: g++-9, cmake-flags: '', cpack: 'no' }
+          - { arch: 'arm7hf', concurrency: 4, os: [self-hosted, linux, ARM], package: g++-12, cpp-version: g++-12, cmake-flags: '', cpack: 'yes' }
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@8ca2b8b2ece13480cda6dacd3511b49857a23c09 # v2.5.1
@@ -99,7 +101,7 @@ jobs:
         uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
 
       - name: Install apt packages
-        run: sudo sed -i 's/azure\.//' /etc/apt/sources.list && sudo apt update && sudo apt install  ${{ matrix.cfg.package }} libsodium-dev libopus-dev zlib1g-dev rpm
+        run: sudo sed -i 's/azure\.//' /etc/apt/sources.list && sudo apt update && sudo apt-get install -y ${{ matrix.cfg.package }} pkg-config libsodium-dev libopus-dev zlib1g-dev rpm
 
       - name: Generate CMake
         run: mkdir build && cd build && cmake -DDPP_NO_VCPKG=ON -DAVX_TYPE=AVX0 -DCMAKE_BUILD_TYPE=Release ${{matrix.cfg.cmake-flags}} ..
@@ -107,21 +109,21 @@ jobs:
           CXX: ${{matrix.cfg.cpp-version}}
 
       - name: Build Project
-        run: cd build && make -j2
+        run: cd build && make -j${{ matrix.cfg.concurrency }}
 
       - name: Package distributable
-        if: ${{ matrix.cfg.cpp-version == 'g++-10' }}
+        if: ${{ matrix.cfg.cpack == 'yes' }}
         run: cd build && cpack --verbose
 
       - name: Upload Binary (DEB)
-        if: ${{ matrix.cfg.cpp-version == 'g++-10' }}
+        if: ${{ matrix.cfg.cpack == 'yes' }}
         uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
         with:
           name: "libdpp - Debian Package ${{matrix.cfg.arch}}"
           path: '${{github.workspace}}/build/*.deb'
 
       - name: Upload Binary (RPM)
-        if: ${{ matrix.cfg.cpp-version == 'g++-10' }}
+        if: ${{ matrix.cfg.cpack == 'yes' }}
         uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
         with:
           name: "libdpp - RPM Package ${{matrix.cfg.arch}}"
@@ -229,7 +231,8 @@ jobs:
       matrix:
         cfg:
           - {name: "ARM64", os: ubuntu-20.04, cmake-options: -DCMAKE_TOOLCHAIN_FILE=cmake/ARM64ToolChain.cmake}
-          - {name: "ARMv7 HF", os: ubuntu-20.04, cmake-options: -DCMAKE_TOOLCHAIN_FILE=cmake/ARMv7ToolChain.cmake}
+          # Replaced with self-hosted runner
+          # - {name: "ARMv7 HF", os: ubuntu-20.04, cmake-options: -DCMAKE_TOOLCHAIN_FILE=cmake/ARMv7ToolChain.cmake}
           - {name: "Linux x86", os: ubuntu-20.04, cmake-options: -DCMAKE_TOOLCHAIN_FILE=cmake/LINUXx86ToolChain.cmake -DBUILD_VOICE_SUPPORT=OFF}
           - {name: "ARMv6", os: ubuntu-20.04, cmake-options: -DCMAKE_TOOLCHAIN_FILE=cmake/ARMv6ToolChain.cmake}
 
@@ -245,7 +248,7 @@ jobs:
         uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
 
       - name: Install Packages
-        run: sudo sed -i 's/azure\.//' /etc/apt/sources.list && sudo apt update && sudo apt install cmake rpm
+        run: sudo sed -i 's/azure\.//' /etc/apt/sources.list && sudo apt update && sudo apt-get install -y cmake rpm
 
       - name: Generate CMakeFiles
         run: mkdir build && cd build && sudo cmake ${{matrix.cfg.cmake-options}} -DDPP_NO_VCPKG=ON -DCMAKE_BUILD_TYPE=Release -DAVX_TYPE=AVX0 ..