diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
deleted file mode 100644
index 79df9e671..000000000
--- a/.github/workflows/ci.yaml
+++ /dev/null
@@ -1,240 +0,0 @@
-name: GitHub Actions CI
-
-# Cache is used for all Windows and macOS dependencies (size approx. 1230 * 2 + 1850 = 4310 MiB)
-# Cache is not used for Ubuntu builds, because it already has all dependencies except
-# the appropriate libtorrent version, which only takes 3-5 minutes to build from source anyway
-
-on: [pull_request, push]
-
-env:
-  VCPKG_COMMIT: e4ce66eecfd3e5cca5eac06c971921bf8e37cf88
-  VCPKG_DEST_MACOS: /Users/runner/qbt_tools/vcpkg
-  VCPKG_DEST_WIN: C:\qbt_tools\vcpkg
-  LIBTORRENT_VERSION_TAG: v1.2.12
-
-jobs:
-
-  ci_ubuntu:
-    name: Ubuntu
-
-    strategy:
-      matrix:
-        os: [ubuntu-20.04]
-        qbt_gui: ["GUI=ON", "GUI=OFF"]
-      fail-fast: false
-
-    runs-on: ${{ matrix.os }}
-
-    defaults:
-      run:
-        shell: bash
-
-    steps:
-    - name: checkout repository
-      uses: actions/checkout@v2
-
-    - name: install all build dependencies except libtorrent from Ubuntu repos
-      run: |
-        sudo apt update
-        sudo apt install \
-          build-essential cmake git ninja-build pkg-config \
-          libssl-dev libgeoip-dev zlib1g-dev \
-          libboost-dev libboost-chrono-dev libboost-random-dev libboost-system-dev \
-          libqt5svg5-dev qtbase5-dev qttools5-dev
-
-    - name: install libtorrent from source
-      run: |
-        git clone https://github.com/arvidn/libtorrent && cd libtorrent
-        git checkout ${{ env.LIBTORRENT_VERSION_TAG }}
-        cmake -B cmake-build-dir -G "Ninja" \
-          -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo \
-          -Ddeprecated-functions=OFF \
-          --graphviz=cmake-build-dir/target_graph.dot
-        cmake --build cmake-build-dir
-        sudo cmake --install cmake-build-dir --prefix /usr/local
-
-    - name: build qBittorrent
-      run: |
-        cmake -B build -G "Ninja" \
-          -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo \
-          -D${{ matrix.qbt_gui }} \
-          -DVERBOSE_CONFIGURE=ON \
-          --graphviz=build/target_graph.dot
-        cmake --build build
-
-    - name: upload artifact as zip
-      uses: actions/upload-artifact@v2
-      with:
-        name: qBittorrent-CI_${{ matrix.os }}-x64_${{ matrix.qbt_gui }}
-        path: |
-          build/compile_commands.json
-          build/target_graph.dot
-          build/qbittorrent
-          build/qbittorrent-nox
-          libtorrent/cmake-build-dir/compile_commands.json
-          libtorrent/cmake-build-dir/target_graph.dot
-
-  ci_windows:
-    name: Windows + vcpkg
-
-    runs-on: windows-2019
-
-    defaults:
-      run:
-        shell: pwsh
-
-    steps:
-    - name: checkout repository
-      uses: actions/checkout@v2
-
-    # - ninja is needed for building qBittorrent (because it's preferrable, not a hard requirement)
-    - name: install additional required packages with chocolatey
-      run: |
-        choco install ninja
-
-    - name: setup vcpkg (cached, if possible)
-      uses: lukka/run-vcpkg@v4
-      with:
-        vcpkgDirectory: ${{ env.VCPKG_DEST_WIN }}
-        vcpkgGitCommitId: ${{ env.VCPKG_COMMIT }}
-        setupOnly: true
-
-    # Tell vcpkg to only build Release variants of the dependencies
-    - name: configure vcpkg triplet overlay for release builds only
-      run: |
-        New-Item -Path ${{ github.workspace }} -Name "triplets_overlay" -ItemType Directory
-        Copy-Item ${{ env.RUNVCPKG_VCPKG_ROOT }}/triplets/x64-windows-static.cmake `
-          ${{ github.workspace }}/triplets_overlay/x64-windows-static-release.cmake
-        Add-Content ${{ github.workspace }}/triplets_overlay/x64-windows-static-release.cmake `
-          -Value "set(VCPKG_BUILD_TYPE release)"
-
-    # clear buildtrees after each package installation to reduce disk space requirements
-    - name: install dependencies via vcpkg
-      run: |
-        $packages = `
-          "boost-circular-buffer:x64-windows-static-release",
-          "libtorrent:x64-windows-static-release",
-          "qt5-base:x64-windows-static-release",
-          "qt5-svg:x64-windows-static-release",
-          "qt5-tools:x64-windows-static-release",
-          "qt5-winextras:x64-windows-static-release"
-        ${{ env.RUNVCPKG_VCPKG_ROOT }}/vcpkg.exe upgrade `
-            --overlay-triplets=${{ github.workspace }}/triplets_overlay `
-            --overlay-ports=${{ github.workspace }}/vcpkg `
-            --no-dry-run
-        foreach($package in $packages)
-        {
-          ${{ env.RUNVCPKG_VCPKG_ROOT }}/vcpkg.exe install $package `
-            --overlay-triplets=${{ github.workspace }}/triplets_overlay `
-            --overlay-ports=${{ github.workspace }}/vcpkg `
-            --clean-after-build
-        }
-
-    # NOTE: this is necessary to correctly find and use cl.exe with the Ninja generator for now
-    - name: setup devcmd
-      uses: ilammy/msvc-dev-cmd@v1
-
-    - name: build qBittorrent
-      shell: cmd
-      run: |
-        cmake -B build -G "Ninja" ^
-          -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo ^
-          -DCMAKE_TOOLCHAIN_FILE=${{ env.VCPKG_DEST_WIN }}\scripts\buildsystems\vcpkg.cmake ^
-          -DVCPKG_TARGET_TRIPLET=x64-windows-static-release ^
-          -DVERBOSE_CONFIGURE=ON ^
-          -DMSVC_RUNTIME_DYNAMIC=OFF ^
-          --graphviz=build\target_graph.dot
-        cmake --build build
-
-    - name: upload artifact as zip
-      uses: actions/upload-artifact@v2
-      with:
-        name: qBittorrent-CI_Windows-x64
-        path: |
-          build/compile_commands.json
-          build/target_graph.dot
-          build/qbittorrent.exe
-          build/qbittorrent.pdb
-          dist/windows/qt.conf
-
-  ci_macos:
-    name: macOS + vcpkg
-
-    strategy:
-      matrix:
-        qbt_gui: ["GUI=ON", "GUI=OFF"]
-      fail-fast: false
-
-    runs-on: macos-10.15
-
-    defaults:
-      run:
-        shell: pwsh
-
-    steps:
-    - name: checkout repository
-      uses: actions/checkout@v2
-
-    # - ninja is needed for building qBittorrent (because it's preferrable, not a hard requirement)
-    # - automake is needed for the installation the vcpkg installation of fontconfig, a dependency of qt5-base
-    - name: install additional required packages with homebrew
-      shell: bash
-      run: |
-        brew install automake ninja
-
-    - name: setup vcpkg (cached, if possible)
-      uses: lukka/run-vcpkg@v4
-      with:
-        vcpkgDirectory: ${{ env.VCPKG_DEST_MACOS }}
-        vcpkgGitCommitId: ${{ env.VCPKG_COMMIT }}
-        setupOnly: true
-
-    - name: configure vcpkg triplet overlay for release builds only
-      run: |
-        New-Item -Path ${{ github.workspace }} -Name "triplets_overlay" -ItemType Directory
-        Copy-Item ${{ env.RUNVCPKG_VCPKG_ROOT }}/triplets/x64-osx.cmake `
-          ${{ github.workspace }}/triplets_overlay/x64-osx-release.cmake
-        Add-Content ${{ github.workspace }}/triplets_overlay/x64-osx-release.cmake `
-          -Value "set(VCPKG_BUILD_TYPE release)","set(VCPKG_OSX_DEPLOYMENT_TARGET 10.15)"
-
-    - name: install dependencies via vcpkg
-      run: |
-        $packages = `
-          "boost-circular-buffer:x64-osx-release",
-          "libtorrent:x64-osx-release",
-          "qt5-base:x64-osx-release",
-          "qt5-svg:x64-osx-release",
-          "qt5-tools:x64-osx-release",
-          "qt5-macextras:x64-osx-release"
-        ${{ env.RUNVCPKG_VCPKG_ROOT }}/vcpkg upgrade `
-            --overlay-triplets=${{ github.workspace }}/triplets_overlay `
-            --overlay-ports=${{ github.workspace }}/vcpkg `
-            --no-dry-run
-        foreach($package in $packages)
-        {
-          ${{ env.RUNVCPKG_VCPKG_ROOT }}/vcpkg install $package `
-            --overlay-triplets=${{ github.workspace }}/triplets_overlay `
-            --overlay-ports=${{ github.workspace }}/vcpkg `
-            --clean-after-build
-        }
-
-    - name: build qBittorrent
-      shell: bash
-      run: |
-        cmake -B build -G "Ninja" -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo \
-          -DCMAKE_TOOLCHAIN_FILE=${{ env.VCPKG_DEST_MACOS }}/scripts/buildsystems/vcpkg.cmake \
-          -DVCPKG_TARGET_TRIPLET=x64-osx-release \
-          -D${{ matrix.qbt_gui }} \
-          -DVERBOSE_CONFIGURE=ON \
-          --graphviz=build/target_graph.dot
-        cmake --build build
-
-    - name: upload artifact as zip
-      uses: actions/upload-artifact@v2
-      with:
-        name: qBittorrent-CI_macOS_${{ matrix.qbt_gui }}
-        path: |
-          build/compile_commands.json
-          build/target_graph.dot
-          build/qbittorrent.app
-          build/qbittorrent-nox.app
diff --git a/.github/workflows/ci_file_health.yaml b/.github/workflows/ci_file_health.yaml
new file mode 100644
index 000000000..07bd98ec2
--- /dev/null
+++ b/.github/workflows/ci_file_health.yaml
@@ -0,0 +1,20 @@
+name: CI - File health
+
+on: [pull_request, push]
+
+jobs:
+  ci:
+    name: Check
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install tools
+        run: |
+          sudo apt update
+          sudo apt install zsh
+
+      - name: Check files
+        run: |
+          ./.github/workflows/file_health.sh
diff --git a/.github/workflows/ci_macos.yaml b/.github/workflows/ci_macos.yaml
new file mode 100644
index 000000000..a86844a03
--- /dev/null
+++ b/.github/workflows/ci_macos.yaml
@@ -0,0 +1,73 @@
+name: CI - macOS
+on: [pull_request, push]
+
+jobs:
+  ci:
+    name: Build
+    runs-on: macos-10.15
+
+    strategy:
+      matrix:
+        libt_version: ["v1.2.12"]
+        qbt_gui: ["GUI=ON", "GUI=OFF"]
+      fail-fast: false
+
+    env:
+      openssl_root: /usr/local/opt/openssl@1.1
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Setup ccache
+        uses: hendrikmuhs/ccache-action@v1
+        with:
+          key: ${{ runner.os }}
+
+      - name: Install dependencies
+        run: |
+          brew update > /dev/null
+          brew install \
+            cmake ninja \
+            boost openssl@1.1 qt@5 zlib
+          brew link --force \
+            qt@5
+          # workaround for cmake + Qt
+          sudo ln -s /usr/local/opt/qt@5/mkspecs /usr/local/mkspecs
+          sudo ln -s /usr/local/opt/qt@5/plugins /usr/local/plugins
+
+      - name: Install libtorrent
+        run: |
+          git clone --branch ${{ matrix.libt_version }} --depth 1 https://github.com/arvidn/libtorrent.git
+          cd libtorrent
+          git submodule update --init --recursive
+          export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
+          cmake \
+            -B build \
+            -G "Ninja" \
+            -DCMAKE_BUILD_TYPE=RelWithDebInfo \
+            -DCMAKE_CXX_STANDARD=17 \
+            -Ddeprecated-functions=OFF \
+            -DOPENSSL_ROOT_DIR="${{ env.openssl_root }}"
+          cmake --build build
+          sudo cmake --install build
+
+      - name: Build qBittorrent
+        run: |
+          export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
+          cmake \
+            -B build \
+            -G "Ninja" \
+            -DCMAKE_BUILD_TYPE=RelWithDebInfo \
+            -D${{ matrix.qbt_gui }} \
+            -DVERBOSE_CONFIGURE=ON \
+            -DOPENSSL_ROOT_DIR="${{ env.openssl_root }}"
+          cmake --build build
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: qBittorrent-CI_macOS_${{ matrix.qbt_gui }}_libtorrent-${{ matrix.libt_version }}
+          path: |
+            build/qbittorrent.app
+            build/qbittorrent-nox.app
diff --git a/.github/workflows/ci_ubuntu.yaml b/.github/workflows/ci_ubuntu.yaml
new file mode 100644
index 000000000..a696b4de2
--- /dev/null
+++ b/.github/workflows/ci_ubuntu.yaml
@@ -0,0 +1,84 @@
+name: CI - Ubuntu
+on: [pull_request, push]
+
+jobs:
+  ci:
+    name: Build
+    runs-on: ubuntu-20.04
+
+    strategy:
+      matrix:
+        libt_version: ["v1.2.12"]
+        qbt_gui: ["GUI=ON", "GUI=OFF"]
+      fail-fast: false
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Setup ccache
+        uses: hendrikmuhs/ccache-action@v1
+        with:
+          key: ${{ runner.os }}
+
+      - name: Install dependencies
+        run: |
+          sudo apt update
+          sudo apt install \
+            build-essential cmake git ninja-build pkg-config \
+            libssl-dev libgeoip-dev zlib1g-dev \
+            libboost-dev libboost-chrono-dev libboost-random-dev libboost-system-dev
+        # sudo apt install libqt5svg5-dev qtbase5-dev qttools5-dev # the Qt version in the standard repositories is too old...
+
+      # this will be installed under /opt/qt515. CMake will still find it automatically without additional hints
+      # to speed up the process, only the required components are installed rather than the full qt515-meta-full metapackage
+      - name: Install Qt
+        run: |
+          sudo add-apt-repository ppa:beineri/opt-qt-5.15.2-focal
+          sudo apt install \
+            qt515base qt515svg qt515tools
+
+      - name: Install libtorrent
+        run: |
+          git clone --branch ${{ matrix.libt_version }} --depth 1 https://github.com/arvidn/libtorrent.git
+          cd libtorrent
+          git submodule update --init --recursive
+          export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
+          cmake \
+            -B build \
+            -G "Ninja" \
+            -DCMAKE_BUILD_TYPE=RelWithDebInfo \
+            -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+            -Ddeprecated-functions=OFF \
+            --graphviz=cmake-build-dir/target_graph.dot
+          cmake --build build
+          sudo cmake --install build
+
+      - name: Build qBittorrent
+        run: |
+          export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
+          cmake \
+            -B build \
+            -G "Ninja" \
+            -DCMAKE_BUILD_TYPE=RelWithDebInfo \
+            -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+            -D${{ matrix.qbt_gui }} \
+            -DVERBOSE_CONFIGURE=ON \
+            --graphviz=build/target_graph.dot
+          cmake --build build
+
+      - name: Install qBittorrent
+        run: sudo cmake --install build
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: qBittorrent-CI_ubuntu-20.04-x64_${{ matrix.qbt_gui }}_libtorrent-${{ matrix.libt_version }}
+          path: |
+            build/compile_commands.json
+            build/install_manifest.txt
+            build/target_graph.dot
+            build/qbittorrent
+            build/qbittorrent-nox
+            libtorrent/cmake-build-dir/compile_commands.json
+            libtorrent/cmake-build-dir/target_graph.dot
diff --git a/.github/workflows/ci_webui.yaml b/.github/workflows/ci_webui.yaml
new file mode 100644
index 000000000..0c234b270
--- /dev/null
+++ b/.github/workflows/ci_webui.yaml
@@ -0,0 +1,32 @@
+name: CI - WebUI
+
+on: [pull_request, push]
+
+jobs:
+  ci:
+    name: Check
+    runs-on: ubuntu-latest
+
+    defaults:
+      run:
+        working-directory: src/webui/www
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Setup nodejs
+        uses: actions/setup-node@v2
+        with:
+          node-version: 'lts/*'
+
+      - name: Install tools
+        run: npm install
+
+      - name: Lint code
+        run: npm run lint
+
+      - name: Format code
+        run: |
+          npm run format
+          git diff --exit-code
diff --git a/.github/workflows/ci_windows.yaml b/.github/workflows/ci_windows.yaml
new file mode 100644
index 000000000..37e68342b
--- /dev/null
+++ b/.github/workflows/ci_windows.yaml
@@ -0,0 +1,85 @@
+name: CI - Windows
+on: [pull_request, push]
+
+jobs:
+  ci:
+    name: Build
+    runs-on: windows-2019
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install build tools
+        run: |
+          choco install ninja
+
+      # use the preinstalled vcpkg from image
+      # https://github.com/actions/virtual-environments/blob/main/images/win/Windows2019-Readme.md#package-management
+      - name: Setup vcpkg
+        uses: lukka/run-vcpkg@v7
+        with:
+          vcpkgDirectory: C:/vcpkg
+          doNotUpdateVcpkg: true  # the preinstalled vcpkg is updated regularly
+          setupOnly: true
+
+      # tell vcpkg to only build Release variants of the dependencies
+      - name: Configure vcpkg triplet overlay
+        run: |
+          New-Item `
+            -Path "${{ github.workspace }}" `
+            -Name "triplets_overlay" `
+            -ItemType Directory
+          Copy-Item `
+            "${{ env.RUNVCPKG_VCPKG_ROOT }}/triplets/x64-windows-static.cmake" `
+            "${{ github.workspace }}/triplets_overlay/x64-windows-static-release.cmake"
+          Add-Content `
+            "${{ github.workspace }}/triplets_overlay/x64-windows-static-release.cmake" `
+            -Value "set(VCPKG_BUILD_TYPE release)"
+
+      # clear buildtrees after each package installation to reduce disk space requirements
+      - name: Install dependencies
+        run: |
+          $packages = `
+            "boost-circular-buffer:x64-windows-static-release",
+            "libtorrent:x64-windows-static-release",
+            "qt5-base:x64-windows-static-release",
+            "qt5-svg:x64-windows-static-release",
+            "qt5-tools:x64-windows-static-release",
+            "qt5-winextras:x64-windows-static-release"
+          ${{ env.RUNVCPKG_VCPKG_ROOT }}/vcpkg.exe upgrade `
+            --overlay-triplets="${{ github.workspace }}/triplets_overlay" `
+            --no-dry-run
+          ${{ env.RUNVCPKG_VCPKG_ROOT }}/vcpkg.exe install `
+            --overlay-triplets="${{ github.workspace }}/triplets_overlay" `
+            --clean-after-build `
+            $packages
+
+      # this is necessary to correctly find and use cl.exe with the Ninja generator for now
+      - name: Setup devcmd
+        uses: ilammy/msvc-dev-cmd@v1
+
+      - name: Build qBittorrent
+        run: |
+          cmake `
+            -B build `
+            -G "Ninja" `
+            -DCMAKE_BUILD_TYPE=RelWithDebInfo `
+            -DCMAKE_EXPORT_COMPILE_COMMANDS=ON `
+            -DCMAKE_TOOLCHAIN_FILE="${{ env.RUNVCPKG_VCPKG_ROOT }}/scripts/buildsystems/vcpkg.cmake" `
+            -DMSVC_RUNTIME_DYNAMIC=OFF `
+            -DVCPKG_TARGET_TRIPLET=x64-windows-static-release `
+            -DVERBOSE_CONFIGURE=ON `
+            --graphviz=build/target_graph.dot
+          cmake --build build
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: qBittorrent-CI_Windows-x64
+          path: |
+            build/compile_commands.json
+            build/qbittorrent.exe
+            build/qbittorrent.pdb
+            build/target_graph.dot
+            dist/windows/qt.conf
diff --git a/.github/workflows/file_health.yaml b/.github/workflows/file_health.yaml
deleted file mode 100644
index aeadcf31e..000000000
--- a/.github/workflows/file_health.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-name: GitHub Actions file health check
-
-on: [pull_request, push]
-
-jobs:
-  check_file_health:
-    name: Check file health
-
-    runs-on: ubuntu-20.04
-
-    steps:
-    - name: checkout repository
-      uses: actions/checkout@v2
-
-    - name: install zsh
-      run: |
-        sudo apt update
-        sudo apt install zsh
-
-    - name: run check file health script
-      run: |
-        ./.github/workflows/file_health.sh
diff --git a/.github/workflows/webui_ci.yaml b/.github/workflows/webui_ci.yaml
deleted file mode 100644
index aa836523d..000000000
--- a/.github/workflows/webui_ci.yaml
+++ /dev/null
@@ -1,31 +0,0 @@
-name: WebUI CI
-
-on: [pull_request, push]
-
-jobs:
-  check_webui:
-    name: Check WebUI
-    runs-on: ubuntu-20.04
-    defaults:
-      run:
-        working-directory: src/webui/www
-
-    steps:
-    - name: checkout repository
-      uses: actions/checkout@v2
-
-    - name: setup nodejs
-      uses: actions/setup-node@v2
-      with:
-        node-version: '14'
-
-    - name: install tools
-      run: npm install
-
-    - name: lint code
-      run: npm run lint
-
-    - name: format code
-      run: |
-        npm run format
-        git diff --exit-code