diff --git a/.github/workflows/pr_build.yml b/.github/workflows/pr_build.yml
index 219daa0c4b..5b1bca3c63 100644
--- a/.github/workflows/pr_build.yml
+++ b/.github/workflows/pr_build.yml
@@ -46,6 +46,10 @@ jobs:
             - os: ubuntu-18.04
               build_type: android
               apt-dependencies: mesa-common-dev libegl1 libglvnd-dev libdouble-conversion1 libpulse0
+            # Do not change the names of self-hosted runners without knowing what you are doing, as they correspond to labels that have to be set on the runner.
+            - os: self-hosted_debian-11_aarch64
+              build_type: full
+              apt-dependencies: qtbase5-dev qtbase5-private-dev qtwebengine5-dev qtwebengine5-dev-tools qtmultimedia5-dev libqt5opengl5-dev qtscript5-dev libqt5scripttools5 libqt5webchannel5-dev libqt5websockets5-dev qtxmlpatterns5-dev-tools qttools5-dev libqt5xmlpatterns5-dev libqt5svg5-dev qml-module-qtwebchannel build-essential cmake curl freeglut3-dev git libasound2 libasound2-dev libdouble-conversion-dev libdrm-dev libfontconfig1 libgl1-mesa-dev libglvnd-dev libharfbuzz-dev libjack-dev libjack0 libnspr4 libnss3 libpcre2-16-0 libpulse0 libsdl2-dev libssl-dev libudev-dev libxcb-xinerama0-dev libxcb-xinput0 libxcomposite1 libxcursor1 libxi-dev libxmu-dev libxrandr-dev libxslt1.1 libxtst6 make mesa-common-dev mesa-utils nodejs npm patchelf python2 python3 python3-distro xdg-user-dirs zlib1g-dev ninja-build zip
         fail-fast: false
     runs-on: ${{matrix.os}}
     if: github.event.action != 'labeled' || github.event.label.name == 'rebuild'
@@ -59,10 +63,19 @@ jobs:
         echo "APP_TARGET_NAME=$APP_NAME" >> $GITHUB_ENV
 
         # Linux build variables
-        if [[ "${{ matrix.os }}" = "ubuntu-"* ]]; then
+        if [[ "${{ matrix.os }}" = "ubuntu-"* || "${{ matrix.os }}" = *"debian"* ]]; then
           echo "PYTHON_EXEC=python3" >> $GITHUB_ENV
           echo "INSTALLER_EXT=*" >> $GITHUB_ENV
-          echo "CMAKE_BUILD_EXTRA=-- -j3" >> $GITHUB_ENV
+          if [ "${{ matrix.os }}" = "self-hosted_debian-11_aarch64" ]; then
+            echo "CMAKE_BUILD_EXTRA=-- -j4" >> $GITHUB_ENV
+          else
+            echo "CMAKE_BUILD_EXTRA=-- -j3" >> $GITHUB_ENV
+          fi
+          if [ "${{ matrix.os }}" = "self-hosted_debian-11_aarch64" ]; then
+            echo "VIRCADIA_USE_SYSTEM_QT=true" >> $GITHUB_ENV
+            echo "VCPKG_FORCE_SYSTEM_BINARIES=true" >> $GITHUB_ENV
+            echo "CI_WORKSPACE=${{runner.workspace}}" >> $GITHUB_ENV
+          fi
           if [ "${{ matrix.build_type }}" = "full" ]; then
             echo "CMAKE_EXTRA=-DBUILD_TOOLS:BOOLEAN=FALSE -DHIFI_PYTHON_EXEC:FILEPATH=$(which python3)" >> $GITHUB_ENV
           else
@@ -97,6 +110,7 @@ jobs:
           mkdir $HIFI_ANDROID_PRECOMPILED
           echo "INSTALLER_EXT=apk" >> $GITHUB_ENV
         fi
+
     # Configuration is broken into two steps because you can't set an env var and also reference it in the same step
     - name: Configure Build Environment 2
       shell: bash
@@ -114,8 +128,9 @@ jobs:
         else
           echo "ARTIFACT_PATTERN=*.$INSTALLER_EXT" >> $GITHUB_ENV
         fi
+
     - name: Clear Working Directory
-      if: startsWith(matrix.os, 'windows')
+      if: startsWith(matrix.os, 'windows') || matrix.os == 'self-hosted_debian-11_aarch64'
       shell: bash
       working-directory: ${{runner.workspace}}
       run: rm -rf ./*
@@ -123,9 +138,10 @@ jobs:
       with:
         submodules: false
         fetch-depth: 1
+
     - name: Install dependencies
       shell: bash
-      if: startsWith(matrix.os, 'ubuntu')
+      if: startsWith(matrix.os, 'ubuntu') || contains(matrix.os, 'debian')
       run: |
         echo "Installing Python Modules:"
         pip3 install distro || exit 1
@@ -135,13 +151,16 @@ jobs:
 
         echo "Installing apt packages"
         sudo apt install -y ${{ matrix.apt-dependencies }} || exit 1
+
     - name: Create Build Environment
       shell: bash
       run: cmake -E make_directory "${{runner.workspace}}/build"
+
     - name: Configure CMake
       working-directory: ${{runner.workspace}}/build
       shell: bash
       run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DVCPKG_BUILD_TYPE=release $CMAKE_EXTRA
+
     - name: Compress cmake logs
       if: always()
       shell: bash
@@ -152,7 +171,12 @@ jobs:
           TAR=tar
         fi
 
-        find "$HOME/vircadia-files/vcpkg" -name '*log' -type f -print0 | $TAR --null --force-local -T - -c --xz -v -f "${{ runner.workspace }}/cmake-logs-${{ matrix.os }}-${{ github.event.number }}.tar.xz"
+        if [ ${{ env.CI_WORKSPACE }} ]; then
+          find "$CI_WORKSPACE/vircadia-files/vcpkg" -name '*log' -type f -print0 | $TAR --null --force-local -T - -c --xz -v -f "${{ runner.workspace }}/cmake-logs-${{ matrix.os }}-${{ github.event.number }}.tar.xz"
+        else
+          find "$HOME/vircadia-files/vcpkg" -name '*log' -type f -print0 | $TAR --null --force-local -T - -c --xz -v -f "${{ runner.workspace }}/cmake-logs-${{ matrix.os }}-${{ github.event.number }}.tar.xz"
+        fi
+
     - name: Archive cmake logs
       if: always()
       uses: actions/upload-artifact@v2
@@ -160,26 +184,31 @@ jobs:
         name: cmake-logs-${{ matrix.os }}-${{ github.event.number }}.tar.xz
         path: ${{ runner.workspace }}/cmake-logs-${{ matrix.os }}-${{ github.event.number }}.tar.xz
         if-no-files-found: error
+
     - name: Build Application
       if: matrix.build_type == 'full' || matrix.build_type == 'client'
       working-directory: ${{runner.workspace}}/build
       shell: bash
       run: cmake --build . --config $BUILD_TYPE --target $APP_TARGET_NAME $CMAKE_BUILD_EXTRA
+
     - name: Build Domain Server
       if: matrix.build_type == 'full'
       working-directory: ${{runner.workspace}}/build
       shell: bash
       run: cmake --build . --config $BUILD_TYPE --target domain-server $CMAKE_BUILD_EXTRA
+
     - name: Build Assignment Client
       if: matrix.build_type == 'full'
       working-directory: ${{runner.workspace}}/build
       shell: bash
       run: cmake --build . --config $BUILD_TYPE --target assignment-client $CMAKE_BUILD_EXTRA
+
     - name: Build Console
       if: matrix.build_type == 'full' || matrix.os == 'windows-latest'
       working-directory: ${{runner.workspace}}/build
       shell: bash
       run: cmake --build . --config $BUILD_TYPE --target packaged-server-console $CMAKE_BUILD_EXTRA
+
     - name: Build Installer
       if: matrix.build_type != 'android'
       working-directory: ${{runner.workspace}}/build
@@ -218,6 +247,7 @@ jobs:
       working-directory: ${{runner.workspace}}/vircadia
       run: |
         /usr/local/lib/android/sdk/tools/bin/sdkmanager --uninstall 'cmake;3.18.1'
+
     - name: Build for Android + Quest
       if: matrix.build_type == 'android'
       shell: bash
@@ -230,6 +260,7 @@ jobs:
         ./gradlew -m tasks -PHIFI_ANDROID_PRECOMPILED=$HIFI_ANDROID_PRECOMPILED
         # Build!
         ./build_android.sh
+
     - name: Output system stats
       if: ${{ always() }}
       working-directory: ${{runner.workspace}}/build
@@ -237,11 +268,13 @@ jobs:
       run: |
         echo "Disk usage:"
         df -h
+
     - name: Output Installer Logs
       if: failure() && matrix.os == 'windows-latest'
       shell: bash
       working-directory: ${{runner.workspace}}/build
       run: cat ./_CPack_Packages/win64/NSIS/NSISOutput.log
+
     - name: Upload Artifact
       shell: bash
       working-directory: ${{runner.workspace}}/build