diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 14ba5c9..ab626b0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,56 +25,78 @@ jobs:
     - name: Install dependency
       uses: crazy-max/ghaction-chocolatey@v1
       with:
-        args: install cmake ninja vswhere 7zip.install
+        args: install --no-progress ninja vswhere 7zip.install
     - name: Upgrade dependency
       uses: crazy-max/ghaction-chocolatey@v1
       with:
-        args: upgrade llvm
+        args: upgrade --no-progress llvm
 
     - uses: GuillaumeFalourd/setup-windows10-sdk-action@v2
       with:
-        sdk-version: 22621
+        sdk-version: 26100
 
-    - name: Checkout by pushing tags
-      run: git clone --branch llvmorg-17.0.6 --depth 1 https://github.com/llvm/llvm-project.git
+    - name: Checkout libxml2
+      run: git clone --quiet --branch v2.13.5 --depth 1 https://gitlab.gnome.org/GNOME/libxml2.git
+
+    - name: Build libxml2
+      run: |
+        $vsPath = (vswhere -latest -property installationPath)
+        Import-Module (Join-Path $vsPath "Common7\Tools\Microsoft.VisualStudio.DevShell.dll")
+        Enter-VsDevShell -VsInstallPath $vsPath -SkipAutomaticLocation -DevCmdArguments "-arch=x64 -host_arch=x64 -winsdk=10.0.26100.0"
+        $Env:CC = "clang-cl"
+        $Env:CXX = "clang-cl"
+        $cmake_sys_ver = "10.0.26100.0"
+        $prefix = "$pwd\prefix"
+        cmake -Bbuild -GNinja "-DCMAKE_SYSTEM_VERSION=$cmake_sys_ver" -DCMAKE_MSVC_RUNTIME_LIBRARY=${{ matrix.rtlib }} -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=$prefix -DLIBXML2_WITH_ICONV=OFF libxml2
+        cmake --build build --target install
+        Remove-Item -Recurse build
+
+    - name: Checkout llvm
+      run: git clone --quiet --branch llvmorg-19.1.6 --depth 1 https://github.com/llvm/llvm-project.git
 
     - name: Build llvm stage 1
       run: |
         $vsPath = (vswhere -latest -property installationPath)
         Import-Module (Join-Path $vsPath "Common7\Tools\Microsoft.VisualStudio.DevShell.dll")
-        Enter-VsDevShell -VsInstallPath $vsPath -SkipAutomaticLocation -DevCmdArguments "-arch=x64 -host_arch=x64 -winsdk=10.0.22621.0"
+        Enter-VsDevShell -VsInstallPath $vsPath -SkipAutomaticLocation -DevCmdArguments "-arch=x64 -host_arch=x64 -winsdk=10.0.26100.0"
         $Env:CC = "clang-cl"
         $Env:CXX = "clang-cl"
-        $cmake_sys_ver = "10.0.22621.0"
-        cmake -Bbuild -GNinja "-DCMAKE_SYSTEM_VERSION=$cmake_sys_ver" -DCMAKE_MSVC_RUNTIME_LIBRARY=${{ matrix.rtlib }} -DCMAKE_BUILD_TYPE=Release -DCPACK_GENERATOR=ZIP "-DCMAKE_INSTALL_PREFIX=$pwd\\prefix" -DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_ENABLE_PROJECTS="lld;clang;clang-tools-extra" -DLLVM_ENABLE_DIA_SDK=OFF llvm-project\\llvm
+        $cmake_sys_ver = "10.0.26100.0"
+        $prefix = "$pwd\prefix"
+        cmake -Bbuild -GNinja -DCMAKE_SYSTEM_VERSION=$cmake_sys_ver -DCMAKE_MSVC_RUNTIME_LIBRARY=${{ matrix.rtlib }} -DCMAKE_BUILD_TYPE=Release -DCPACK_GENERATOR=ZIP -DCMAKE_INSTALL_PREFIX:PATH=$prefix -DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_ENABLE_PROJECTS="lld;clang;clang-tools-extra" -DLLVM_ENABLE_DIA_SDK=OFF -DLLVM_ENABLE_LIBXML2=FORCE_ON -DLIBXML2_INCLUDE_DIR:PATH="$prefix\include\libxml2" -DLIBXML2_LIBRARY:FILEPATH="$prefix\lib\libxml2.lib" llvm-project\llvm
         cmake --build build --target package
-        Expand-Archive -Path build/*.zip -DestinationPath "$pwd"
+        $name = (Get-Item build\LLVM-*.zip).Name
+        $basename = (Get-Item build\LLVM-*.zip).BaseName
+        Expand-Archive -Path build\$name -DestinationPath $pwd
+        Copy-Item $prefix\bin\libxml2.dll $pwd\$basename\bin\libxml2.dll
         Remove-Item -Recurse -Force build
 
     - name: Build llvm stage 2
       run: |
         $vsPath = (vswhere -latest -property installationPath)
         Import-Module (Join-Path $vsPath "Common7\Tools\Microsoft.VisualStudio.DevShell.dll")
-        Enter-VsDevShell -VsInstallPath $vsPath -SkipAutomaticLocation -DevCmdArguments "-arch=x64 -host_arch=x64 -winsdk=10.0.22621.0"
-        $Env:CC = "$pwd\\LLVM-17.0.6-win64\\bin\\clang-cl.exe"
-        $Env:CXX = "$pwd\\LLVM-17.0.6-win64\\bin\\clang-cl.exe"
-        $cmake_sys_ver = "10.0.22621.0"
-        cmake -Bbuild -GNinja "-DCMAKE_SYSTEM_VERSION=$cmake_sys_ver" -DCMAKE_MSVC_RUNTIME_LIBRARY=${{ matrix.rtlib }} -DCMAKE_BUILD_TYPE=Release -DCPACK_GENERATOR=ZIP "-DCMAKE_INSTALL_PREFIX=$pwd\\prefix" -DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_ENABLE_PROJECTS="lld;clang;clang-tools-extra" -DLLVM_ENABLE_DIA_SDK=OFF llvm-project\\llvm
+        Enter-VsDevShell -VsInstallPath $vsPath -SkipAutomaticLocation -DevCmdArguments "-arch=x64 -host_arch=x64 -winsdk=10.0.26100.0"
+        $Env:CC = "$pwd\LLVM-19.1.6-win64\bin\clang-cl.exe"
+        $Env:CXX = "$pwd\LLVM-19.1.6-win64\bin\clang-cl.exe"
+        $cmake_sys_ver = "10.0.26100.0"
+        $prefix = "$pwd\prefix"
+        cmake -Bbuild -GNinja -DCMAKE_SYSTEM_VERSION=$cmake_sys_ver -DCMAKE_MSVC_RUNTIME_LIBRARY=${{ matrix.rtlib }} -DCMAKE_BUILD_TYPE=Release -DCPACK_GENERATOR=ZIP -DCMAKE_INSTALL_PREFIX:PATH=$prefix -DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_ENABLE_PROJECTS="lld;clang;clang-tools-extra" -DLLVM_ENABLE_DIA_SDK=OFF -DLLVM_ENABLE_LIBXML2=FORCE_ON -DLIBXML2_INCLUDE_DIR:PATH="$prefix\include\libxml2" -DLIBXML2_LIBRARY:FILEPATH="$prefix\lib\libxml2.lib" llvm-project\llvm
         cmake --build build --target package
 
     - name: Repack zip package
       run: |
-        $name = (Get-Item build/LLVM-*.zip).Name
-        $basename = (Get-Item build/LLVM-*.zip).BaseName
-        Remove-Item -Recurse -Force "$basename"
-        Expand-Archive -Path "build/$name" -DestinationPath "$pwd"
-        Remove-Item "build/$name"
-        7z a -mx=9 -tzip -mtm=off -mtc=off -mta=off "build/$name" "$basename"
+        $name = (Get-Item build\LLVM-*.zip).Name
+        $basename = (Get-Item build\LLVM-*.zip).BaseName
+        Remove-Item -Recurse -Force $basename
+        Expand-Archive -Path build\$name -DestinationPath $pwd
+        Remove-Item build\$name
+        Copy-Item $pwd\prefix\bin\libxml2.dll $basename\bin\libxml2.dll
+        7z a -mx=9 -tzip -mtm=off -mtc=off -mta=off build\$name $basename
 
     - name: Upload Artifact
       uses: actions/upload-artifact@v4
       with:
         name: llvm-${{ matrix.rtlib }}
-        path: build/*.zip
+        path: build\*.zip
         retention-days: 14
         compression-level: 0
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6e5d0f5..cef1a2b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,8 +22,8 @@ jobs:
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
-        tag_name: llvmorg-17.0.6
-        release_name: llvmorg-17.0.6
+        tag_name: llvmorg-19.1.6
+        release_name: llvmorg-19.1.6
         draft: true
         prerelease: true
 
@@ -38,55 +38,77 @@ jobs:
     - name: Install dependency
       uses: crazy-max/ghaction-chocolatey@v1
       with:
-        args: install cmake ninja vswhere 7zip.install
+        args: install --no-progress ninja vswhere 7zip.install
     - name: Upgrade dependency
       uses: crazy-max/ghaction-chocolatey@v1
       with:
-        args: upgrade llvm
+        args: upgrade --no-progress llvm
 
     - uses: GuillaumeFalourd/setup-windows10-sdk-action@v2
       with:
-        sdk-version: 22621
+        sdk-version: 26100
 
-    - name: Checkout by pushing tags
+    - name: Checkout libxml2
+      run: git clone --quiet --branch v2.13.5 --depth 1 https://gitlab.gnome.org/GNOME/libxml2.git
+
+    - name: Build libxml2
+      run: |
+        $vsPath = (vswhere -latest -property installationPath)
+        Import-Module (Join-Path $vsPath "Common7\Tools\Microsoft.VisualStudio.DevShell.dll")
+        Enter-VsDevShell -VsInstallPath $vsPath -SkipAutomaticLocation -DevCmdArguments "-arch=x64 -host_arch=x64 -winsdk=10.0.26100.0"
+        $Env:CC = "clang-cl"
+        $Env:CXX = "clang-cl"
+        $cmake_sys_ver = "10.0.26100.0"
+        $prefix = "$pwd\prefix"
+        cmake -Bbuild -GNinja "-DCMAKE_SYSTEM_VERSION=$cmake_sys_ver" -DCMAKE_MSVC_RUNTIME_LIBRARY=${{ matrix.rtlib }} -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=$prefix -DLIBXML2_WITH_ICONV=OFF libxml2
+        cmake --build build --target install
+        Remove-Item -Recurse build
+
+    - name: Checkout llvm
       if: ${{ github.event_name == 'push' }}
-      run: git clone --branch llvmorg-17.0.6 --depth 1 https://github.com/llvm/llvm-project.git
+      run: git clone --quiet --branch llvmorg-19.1.6 --depth 1 https://github.com/llvm/llvm-project.git
 
     - name: Build llvm stage 1
       run: |
         $vsPath = (vswhere -latest -property installationPath)
         Import-Module (Join-Path $vsPath "Common7\Tools\Microsoft.VisualStudio.DevShell.dll")
-        Enter-VsDevShell -VsInstallPath $vsPath -SkipAutomaticLocation -DevCmdArguments "-arch=x64 -host_arch=x64 -winsdk=10.0.22621.0"
+        Enter-VsDevShell -VsInstallPath $vsPath -SkipAutomaticLocation -DevCmdArguments "-arch=x64 -host_arch=x64 -winsdk=10.0.26100.0"
         $Env:CC = "clang-cl"
         $Env:CXX = "clang-cl"
-        $cmake_sys_ver = "10.0.22621.0"
-        cmake -Bbuild -GNinja "-DCMAKE_SYSTEM_VERSION=$cmake_sys_ver" -DCMAKE_MSVC_RUNTIME_LIBRARY=${{ matrix.rtlib }} -DCMAKE_BUILD_TYPE=Release -DCPACK_GENERATOR=ZIP "-DCMAKE_INSTALL_PREFIX=$pwd\\prefix" -DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_ENABLE_PROJECTS="lld;clang;clang-tools-extra" -DLLVM_ENABLE_DIA_SDK=OFF llvm-project\\llvm
+        $cmake_sys_ver = "10.0.26100.0"
+        $prefix = "$pwd\prefix"
+        cmake -Bbuild -GNinja -DCMAKE_SYSTEM_VERSION=$cmake_sys_ver -DCMAKE_MSVC_RUNTIME_LIBRARY=${{ matrix.rtlib }} -DCMAKE_BUILD_TYPE=Release -DCPACK_GENERATOR=ZIP -DCMAKE_INSTALL_PREFIX:PATH=$prefix -DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_ENABLE_PROJECTS="lld;clang;clang-tools-extra" -DLLVM_ENABLE_DIA_SDK=OFF -DLLVM_ENABLE_LIBXML2=FORCE_ON -DLIBXML2_INCLUDE_DIR:PATH="$prefix\include\libxml2" -DLIBXML2_LIBRARY:FILEPATH="$prefix\lib\libxml2.lib" llvm-project\llvm
         cmake --build build --target package
-        Expand-Archive -Path build/*.zip -DestinationPath "$pwd"
+        $name = (Get-Item build\LLVM-*.zip).Name
+        $basename = (Get-Item build\LLVM-*.zip).BaseName
+        Expand-Archive -Path build\$name -DestinationPath $pwd
+        Copy-Item $prefix\bin\libxml2.dll $pwd\$basename\bin\libxml2.dll
         Remove-Item -Recurse -Force build
 
     - name: Build llvm stage 2
       run: |
         $vsPath = (vswhere -latest -property installationPath)
         Import-Module (Join-Path $vsPath "Common7\Tools\Microsoft.VisualStudio.DevShell.dll")
-        Enter-VsDevShell -VsInstallPath $vsPath -SkipAutomaticLocation -DevCmdArguments "-arch=x64 -host_arch=x64 -winsdk=10.0.22621.0"
-        $Env:CC = "$pwd\\LLVM-17.0.6-win64\\bin\\clang-cl.exe"
-        $Env:CXX = "$pwd\\LLVM-17.0.6-win64\\bin\\clang-cl.exe"
-        $cmake_sys_ver = "10.0.22621.0"
-        cmake -Bbuild -GNinja "-DCMAKE_SYSTEM_VERSION=$cmake_sys_ver" -DCMAKE_MSVC_RUNTIME_LIBRARY=${{ matrix.rtlib }} -DCMAKE_BUILD_TYPE=Release -DCPACK_GENERATOR=ZIP "-DCMAKE_INSTALL_PREFIX=$pwd\\prefix" -DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_ENABLE_PROJECTS="lld;clang;clang-tools-extra" -DLLVM_ENABLE_DIA_SDK=OFF llvm-project\\llvm
+        Enter-VsDevShell -VsInstallPath $vsPath -SkipAutomaticLocation -DevCmdArguments "-arch=x64 -host_arch=x64 -winsdk=10.0.26100.0"
+        $Env:CC = "$pwd\LLVM-19.1.6-win64\bin\clang-cl.exe"
+        $Env:CXX = "$pwd\LLVM-19.1.6-win64\bin\clang-cl.exe"
+        $cmake_sys_ver = "10.0.26100.0"
+        $prefix = "$pwd\prefix"
+        cmake -Bbuild -GNinja -DCMAKE_SYSTEM_VERSION=$cmake_sys_ver -DCMAKE_MSVC_RUNTIME_LIBRARY=${{ matrix.rtlib }} -DCMAKE_BUILD_TYPE=Release -DCPACK_GENERATOR=ZIP -DCMAKE_INSTALL_PREFIX:PATH=$prefix -DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_ENABLE_PROJECTS="lld;clang;clang-tools-extra" -DLLVM_ENABLE_DIA_SDK=OFF -DLLVM_ENABLE_LIBXML2=FORCE_ON -DLIBXML2_INCLUDE_DIR:PATH="$prefix\include\libxml2" -DLIBXML2_LIBRARY:FILEPATH="$prefix\lib\libxml2.lib" llvm-project\llvm
         cmake --build build --target package
 
     - name: Repack zip package
       run: |
-        $name = (Get-Item build/LLVM-*.zip).Name
-        $basename = (Get-Item build/LLVM-*.zip).BaseName
-        Remove-Item -Recurse -Force "$basename"
-        Expand-Archive -Path "build/$name" -DestinationPath "$pwd"
-        Remove-Item "build/$name"
-        7z a -mx=9 -tzip -mtm=off -mtc=off -mta=off "build/$name" "$basename"
+        $name = (Get-Item build\LLVM-*.zip).Name
+        $basename = (Get-Item build\LLVM-*.zip).BaseName
+        Remove-Item -Recurse -Force $basename
+        Expand-Archive -Path build\$name -DestinationPath $pwd
+        Remove-Item build\$name
+        Copy-Item $pwd\prefix\bin\libxml2.dll $basename\bin\libxml2.dll
+        7z a -mx=9 -tzip -mtm=off -mtc=off -mta=off build\$name $basename
 
     - name: Upload LLVM zip package
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: |
-        gh release upload LLVM-17.0.6-win64-${{ matrix.rtlib }}.zip build/*.zip --clobber
+        gh release upload LLVM-19.1.6-win64-${{ matrix.rtlib }}.zip build\*.zip --clobber