diff --git a/.github/workflows/ci-linux.yml b/.github/workflows/ci-linux.yml
index 1abd005d06131..e041cb80b391c 100644
--- a/.github/workflows/ci-linux.yml
+++ b/.github/workflows/ci-linux.yml
@@ -36,14 +36,23 @@ jobs:
       uses: actions/github-script@v7
       with:
         script: |
-          core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
-          core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
-          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;x-gha,readwrite')
+          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;nuget,https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json,readwrite')
 
     - name: Install vcpkg
       run: |
         git clone https://github.com/microsoft/vcpkg ${{ runner.temp }}/vcpkg
         ${{ runner.temp }}/vcpkg/bootstrap-vcpkg.sh -disableMetrics
+        sudo apt-get install -y --no-install-recommends mono-complete
+        mono $(${{ runner.temp }}/vcpkg/vcpkg fetch nuget | tail -n 1) \
+          sources add \
+          -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json" \
+          -StorePasswordInClearText \
+          -Name GitHubPackages \
+          -UserName "${{ github.repository_owner }}" \
+          -Password "${{ github.token }}"
+        mono $(${{ runner.temp }}/vcpkg/vcpkg fetch nuget | tail -n 1) \
+          setapikey "${{ github.token }}" \
+          -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json"
 
     - name: Install dependencies
       run: |
diff --git a/.github/workflows/ci-macos.yml b/.github/workflows/ci-macos.yml
index 2a0cd004287e2..d65cf6ba2f461 100644
--- a/.github/workflows/ci-macos.yml
+++ b/.github/workflows/ci-macos.yml
@@ -38,14 +38,23 @@ jobs:
       uses: actions/github-script@v7
       with:
         script: |
-          core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
-          core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
-          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;x-gha,readwrite')
+          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;nuget,https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json,readwrite')
 
     - name: Install vcpkg
       run: |
         git clone https://github.com/microsoft/vcpkg ${{ runner.temp }}/vcpkg
         ${{ runner.temp }}/vcpkg/bootstrap-vcpkg.sh -disableMetrics
+        brew install mono
+        mono $(${{ runner.temp }}/vcpkg/vcpkg fetch nuget | tail -n 1) \
+          sources add \
+          -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json" \
+          -StorePasswordInClearText \
+          -Name GitHubPackages \
+          -UserName "${{ github.repository_owner }}" \
+          -Password "${{ github.token }}"
+        mono $(${{ runner.temp }}/vcpkg/vcpkg fetch nuget | tail -n 1) \
+          setapikey "${{ github.token }}" \
+          -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json"
 
     - name: Install OpenGFX
       run: |
diff --git a/.github/workflows/ci-windows.yml b/.github/workflows/ci-windows.yml
index 789017bdb92a8..f8c6b742873a2 100644
--- a/.github/workflows/ci-windows.yml
+++ b/.github/workflows/ci-windows.yml
@@ -24,14 +24,23 @@ jobs:
       uses: actions/github-script@v7
       with:
         script: |
-          core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
-          core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
-          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;x-gha,readwrite')
+          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;nuget,https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json,readwrite')
 
     - name: Install vcpkg
+      shell: pwsh
       run: |
-        git clone https://github.com/microsoft/vcpkg ${{ runner.temp }}\vcpkg
-        ${{ runner.temp }}\vcpkg\bootstrap-vcpkg.bat -disableMetrics
+        git clone https://github.com/microsoft/vcpkg ${{ runner.temp }}/vcpkg
+        ${{ runner.temp }}/vcpkg/bootstrap-vcpkg.bat -disableMetrics
+        .$(${{ runner.temp }}/vcpkg/vcpkg fetch nuget) `
+          sources add `
+          -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json" `
+          -StorePasswordInClearText `
+          -Name GitHubPackages `
+          -UserName "${{ github.repository_owner }}" `
+          -Password "${{ github.token }}"
+        .$(${{ runner.temp }}/vcpkg/vcpkg fetch nuget) `
+          setapikey "${{ github.token }}" `
+          -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json"
 
     - name: Install OpenGFX
       shell: bash
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 1922f63b5f96b..1184a6a912dd5 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -21,6 +21,7 @@ jobs:
       actions: read
       contents: read
       security-events: write
+      packages: write
 
     steps:
     - name: Checkout
@@ -30,14 +31,23 @@ jobs:
       uses: actions/github-script@v7
       with:
         script: |
-          core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
-          core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
-          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;x-gha,readwrite')
+          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;nuget,https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json,readwrite')
 
     - name: Install vcpkg
       run: |
         git clone https://github.com/microsoft/vcpkg ${{ runner.temp }}/vcpkg
         ${{ runner.temp }}/vcpkg/bootstrap-vcpkg.sh -disableMetrics
+        sudo apt-get install -y --no-install-recommends mono-complete
+        mono $(${{ runner.temp }}/vcpkg/vcpkg fetch nuget | tail -n 1) \
+          sources add \
+          -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json" \
+          -StorePasswordInClearText \
+          -Name GitHubPackages \
+          -UserName "${{ github.repository_owner }}" \
+          -Password "${{ github.token }}"
+        mono $(${{ runner.temp }}/vcpkg/vcpkg fetch nuget | tail -n 1) \
+          setapikey "${{ github.token }}" \
+          -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json"
 
     - name: Install dependencies
       run: |
diff --git a/.github/workflows/release-linux.yml b/.github/workflows/release-linux.yml
index d6f79057d26b8..2d921ab872b5c 100644
--- a/.github/workflows/release-linux.yml
+++ b/.github/workflows/release-linux.yml
@@ -39,9 +39,7 @@ jobs:
       uses: actions/github-script@v7
       with:
         script: |
-          core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
-          core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
-          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;x-gha,readwrite')
+          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;nuget,https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json,readwrite')
 
     - name: Install dependencies
       run: |
@@ -50,6 +48,7 @@ jobs:
         # autoconf-archive is needed to build ICU.
         yum install -y \
           autoconf-archive \
+          mono-complete \
           perl-IPC-Cmd \
           wget \
           zip \
@@ -121,6 +120,16 @@ jobs:
         (
           cd /vcpkg
           ./bootstrap-vcpkg.sh -disableMetrics
+          mono $(./vcpkg fetch nuget | tail -n 1) \
+            sources add \
+            -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json" \
+            -StorePasswordInClearText \
+            -Name GitHubPackages \
+            -UserName "${{ github.repository_owner }}" \
+            -Password "${{ github.token }}"
+          mono $(./vcpkg fetch nuget | tail -n 1) \
+            setapikey "${{ github.token }}" \
+            -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json"
         )
 
         echo "::group::Install breakpad dependencies"
diff --git a/.github/workflows/release-macos.yml b/.github/workflows/release-macos.yml
index a5219a0b69f90..c182abff88bb9 100644
--- a/.github/workflows/release-macos.yml
+++ b/.github/workflows/release-macos.yml
@@ -41,14 +41,23 @@ jobs:
       uses: actions/github-script@v7
       with:
         script: |
-          core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
-          core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
-          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;x-gha,readwrite')
+          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;nuget,https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json,readwrite')
 
     - name: Install vcpkg
       run: |
         git clone https://github.com/microsoft/vcpkg ${{ runner.temp }}/vcpkg
         ${{ runner.temp }}/vcpkg/bootstrap-vcpkg.sh -disableMetrics
+        brew install mono
+        mono $(${{ runner.temp }}/vcpkg/vcpkg fetch nuget | tail -n 1) \
+          sources add \
+          -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json" \
+          -StorePasswordInClearText \
+          -Name GitHubPackages \
+          -UserName "${{ github.repository_owner }}" \
+          -Password "${{ github.token }}"
+        mono $(${{ runner.temp }}/vcpkg/vcpkg fetch nuget | tail -n 1) \
+          setapikey "${{ github.token }}" \
+          -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json"
 
     - name: Install dependencies
       env:
diff --git a/.github/workflows/release-windows.yml b/.github/workflows/release-windows.yml
index d47b3645e5d07..42f7bc0ffd775 100644
--- a/.github/workflows/release-windows.yml
+++ b/.github/workflows/release-windows.yml
@@ -49,14 +49,23 @@ jobs:
       uses: actions/github-script@v7
       with:
         script: |
-          core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
-          core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
-          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;x-gha,readwrite')
+          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;nuget,https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json,readwrite')
 
     - name: Install vcpkg
+      shell: pwsh
       run: |
-        git clone https://github.com/microsoft/vcpkg ${{ runner.temp }}\vcpkg
-        ${{ runner.temp }}\vcpkg\bootstrap-vcpkg.bat -disableMetrics
+        git clone https://github.com/microsoft/vcpkg ${{ runner.temp }}/vcpkg
+        ${{ runner.temp }}/vcpkg/bootstrap-vcpkg.bat -disableMetrics
+        .$(${{ runner.temp }}/vcpkg/vcpkg fetch nuget) `
+          sources add `
+          -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json" `
+          -StorePasswordInClearText `
+          -Name GitHubPackages `
+          -UserName "${{ github.repository_owner }}" `
+          -Password "${{ github.token }}"
+        .$(${{ runner.temp }}/vcpkg/vcpkg fetch nuget) `
+          setapikey "${{ github.token }}" `
+          -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json"
 
     - name: Install dependencies
       shell: bash