diff --git a/.github/workflows/libdmdutil.yml b/.github/workflows/libdmdutil.yml
index 9e2d74bb..cf96f59a 100644
--- a/.github/workflows/libdmdutil.yml
+++ b/.github/workflows/libdmdutil.yml
@@ -3,6 +3,9 @@ on:
   push:
   pull_request:
 
+permissions:
+  contents: write
+
 defaults:
   run:
     shell: bash
@@ -14,7 +17,7 @@ jobs:
     outputs:
       tag: ${{ steps.version.outputs.tag }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - id: version
@@ -45,6 +48,7 @@ jobs:
         include:
           - { os: windows-2025, platform: win, arch: x64 }
           - { os: windows-2025, platform: win, arch: x86 }
+          - { os: windows-2025, platform: win-mingw, arch: x64 }
           - { os: macos-15, platform: macos, arch: arm64 }
           - { os: macos-15, platform: macos, arch: x64 }
           - { os: ubuntu-24.04, platform: linux, arch: x64 }
@@ -54,168 +58,284 @@ jobs:
           - { os: macos-15, platform: ios-simulator, arch: arm64 }
           - { os: macos-15, platform: tvos, arch: arm64 }
     steps:
-      - uses: actions/checkout@v4
-      - if: (matrix.os == 'windows-2025')
-        name: Add msbuild to path (win runner)
+      - uses: actions/checkout@v6
+      #
+      # install dependencies
+      #
+      - if: (matrix.platform == 'win')
         uses: microsoft/setup-msbuild@v2
-      - if: (matrix.os == 'macos-15')
-        name: Add autoconf and automake (mac runner)
+      - if: (matrix.platform == 'win')
         run: |
-           brew install autoconf automake libtool
+          if [[ "${{ matrix.arch }}" == "x64" ]]; then
+            /c/msys64/usr/bin/bash.exe -l -c "pacman -S --noconfirm \
+              make diffutils \
+              mingw-w64-ucrt-x86_64-gcc \
+              mingw-w64-ucrt-x86_64-libwinpthread \
+              mingw-w64-ucrt-x86_64-cmake"
+          else
+            /c/msys64/usr/bin/bash.exe -l -c "pacman -S --noconfirm \
+              make diffutils \
+              mingw-w64-i686-gcc \
+              mingw-w64-i686-libwinpthread \
+              mingw-w64-i686-cmake"
+          fi
+      - if: (matrix.platform == 'win-mingw')
+        run: |
+          /c/msys64/usr/bin/bash.exe -l -c "pacman -S --noconfirm \
+            make diffutils autoconf automake libtool \
+            mingw-w64-ucrt-x86_64-gcc \
+            mingw-w64-ucrt-x86_64-libwinpthread \
+            mingw-w64-ucrt-x86_64-cmake"
+      - if: (matrix.platform == 'macos' || matrix.platform == 'ios' || matrix.platform == 'ios-simulator' || matrix.platform == 'tvos')
+        run: brew install autoconf automake libtool
       - if: (matrix.platform == 'linux')
-        name: Add libudev and autotools (linux runner)
         run: |
-           sudo apt-get update
-           sudo apt install libudev-dev autoconf automake libtool pkg-config
+          sudo apt-get update
+          sudo apt install libudev-dev autoconf automake libtool pkg-config
       - if: (matrix.platform == 'linux' && matrix.arch == 'aarch64')
-        name: Add libgpiod (Raspberry Pi Linux)
         run: |
           sudo apt-get install -y libgpiod-dev
-      - name: Build libdmdutil-${{ matrix.platform }}-${{ matrix.arch }}
+      #
+      # build (win)
+      #
+      - if: (matrix.platform == 'win')
+        name: Build (win)
         run: |
           ./platforms/${{ matrix.platform }}/${{ matrix.arch }}/external.sh
-          if [[ "${{ matrix.platform }}" == "win" ]]; then
-             if [[ "${{ matrix.arch }}" == "x64" ]]; then
-               cmake -G "Visual Studio 17 2022" -DPLATFORM=${{ matrix.platform }} -DARCH=${{ matrix.arch }} -B build
-             elif [[ "${{ matrix.arch }}" == "x86" ]]; then
-               cmake -G "Visual Studio 17 2022" -A Win32 -DPLATFORM=${{ matrix.platform }} -DARCH=${{ matrix.arch }} -B build
-             elif [[ "${{ matrix.arch }}" == "arm64" ]]; then
-               cmake -G "Visual Studio 17 2022" -A ARM64 -DPLATFORM=${{ matrix.platform }} -DARCH=${{ matrix.arch }} -B build
-             fi
-             cmake --build build --config Release
+          if [[ "${{ matrix.arch }}" == "x64" ]]; then
+            cmake \
+              -G "Visual Studio 17 2022" \
+              -DPLATFORM=${{ matrix.platform }} \
+              -DARCH=${{ matrix.arch }} \
+              -B build
           else
-             if [[ "$(uname)" == "Darwin" ]]; then
-                NUM_PROCS=$(sysctl -n hw.ncpu)
-             else
-                NUM_PROCS=$(nproc)
-             fi
-             cmake -DCMAKE_BUILD_TYPE=Release -DPLATFORM=${{ matrix.platform }} -DARCH=${{ matrix.arch }} -B build
-             cmake --build build -- -j${NUM_PROCS}
+            cmake \
+              -G "Visual Studio 17 2022" \
+              -A Win32 \
+              -DPLATFORM=${{ matrix.platform }} \
+              -DARCH=${{ matrix.arch }} \
+              -B build
           fi
-      - if: (!(matrix.arch == 'arm64' || matrix.arch == 'arm64-v8a' || matrix.arch == 'aarch64' || matrix.platform == 'win'))
+          cmake --build build --config Release
+      #
+      # build (win-mingw)
+      #
+      - if: (matrix.platform == 'win-mingw')
+        name: Build (win-mingw)
+        run: |
+          CURRENT_DIR="$(pwd)"
+          MSYSTEM=UCRT64 /c/msys64/usr/bin/bash.exe -l -c "
+            cd \"${CURRENT_DIR}\" &&
+            ./platforms/${{ matrix.platform }}/${{ matrix.arch }}/external.sh &&
+            cmake \
+              -DCMAKE_BUILD_TYPE=Release \
+              -DPLATFORM=${{ matrix.platform }} \
+              -DARCH=${{ matrix.arch }} \
+              -B build &&
+            cmake --build build -- -j\$(nproc)
+          "
+      #
+      # build (macos)
+      #
+      - if: (matrix.platform == 'macos')
+        name: Build (macos)
+        run: |
+          ./platforms/${{ matrix.platform }}/${{ matrix.arch }}/external.sh
+          cmake \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DPLATFORM=${{ matrix.platform }} \
+            -DARCH=${{ matrix.arch }} \
+            -B build
+          cmake --build build -- -j$(sysctl -n hw.ncpu)
+      #
+      # build (linux)
+      #
+      - if: (matrix.platform == 'linux')
+        name: Build (linux)
+        run: |
+          ./platforms/${{ matrix.platform }}/${{ matrix.arch }}/external.sh
+          cmake \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DPLATFORM=${{ matrix.platform }} \
+            -DARCH=${{ matrix.arch }} \
+            -B build
+          cmake --build build -- -j$(nproc)
+      #
+      # build (ios/tvos)
+      #
+      - if: (matrix.platform == 'ios' || matrix.platform == 'ios-simulator' || matrix.platform == 'tvos')
+        name: Build (ios/tvos)
+        run: |
+          ./platforms/${{ matrix.platform }}/${{ matrix.arch }}/external.sh
+          cmake \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DPLATFORM=${{ matrix.platform }} \
+            -DARCH=${{ matrix.arch }} \
+            -B build
+          cmake --build build -- -j$(sysctl -n hw.ncpu)
+      #
+      # build (android)
+      #
+      - if: (matrix.platform == 'android')
+        name: Build (android)
+        run: |
+          ./platforms/${{ matrix.platform }}/${{ matrix.arch }}/external.sh
+          cmake \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DPLATFORM=${{ matrix.platform }} \
+            -DARCH=${{ matrix.arch }} \
+            -B build
+          cmake --build build -- -j$(nproc)
+      #
+      # test
+      #
+      - if: (!(matrix.arch == 'arm64' || matrix.arch == 'arm64-v8a' || matrix.arch == 'aarch64' || matrix.platform == 'win' || matrix.platform == 'win-mingw'))
         name: dmdutil_test
         run: build/dmdutil_test
-      - name: Prepare artifacts
-        id: artifacts
+      #
+      # prepare artifacts
+      #
+      - if: (matrix.platform == 'win')
+        name: Prepare artifacts (win)
         run: |
           mkdir tmp
-          if [[ "${{ matrix.platform }}" == "win" ]]; then
-             ARTIFACT_PATH="tmp"
-             if [[ "${{ matrix.arch }}" == "x64" ]]; then
-                LIBS=(dmdutil64 cargs64 zedmd64 serum64 libusb64-1.0 libserialport64 sockpp64 pupdmd64 vni64)
-             else
-                LIBS=(dmdutil cargs zedmd serum libusb-1.0 libserialport sockpp pupdmd vni)
-             fi
-             for LIB in "${LIBS[@]}"; do
-                cp "build/Release/${LIB}.lib" tmp
-                cp "build/Release/${LIB}.dll" tmp
-             done
-             cp build/Release/dmdserver.exe tmp
-             cp build/Release/dmdserver_test.exe tmp
-             cp build/Release/dmdutil_static.lib tmp
-             cp build/Release/dmdutil_test_s.exe tmp
-             cp build/Release/dmdutil_test.exe tmp
-             cp build/Release/dmdutil-generate-scenes.exe tmp
-             cp build/Release/dmdutil-play-dump.exe tmp
-             cp -r test tmp/
+          if [[ "${{ matrix.arch }}" == "x64" ]]; then
+            LIBS=(dmdutil64 cargs64 zedmd64 serum64 libusb64-1.0 libserialport64 sockpp64 pupdmd64 vni64)
           else
-            ARTIFACT_PATH="libdmdutil-${{ needs.version.outputs.tag }}-${{ matrix.platform }}-${{ matrix.arch }}.tar.gz"
-            if [[ "${{ matrix.platform }}" == "macos" ]]; then
-               cp build/libdmdutil.a tmp
-               cp -a build/*.dylib tmp
-               cp build/dmdserver tmp
-               cp build/dmdserver_test tmp
-               cp build/dmdutil_test_s tmp
-               cp build/dmdutil_test tmp
-               cp build/dmdutil-generate-scenes tmp
-               cp build/dmdutil-play-dump tmp
-            elif [[ "${{ matrix.platform }}" == "linux" ]]; then
-               cp build/libdmdutil.a tmp
-               cp -a build/*.{so,so.*} tmp
-               cp build/dmdserver tmp
-               cp build/dmdserver_test tmp
-               cp build/dmdutil_test_s tmp
-               cp build/dmdutil_test tmp
-               cp build/dmdutil-generate-scenes tmp
-               cp build/dmdutil-play-dump tmp
-            elif [[ "${{ matrix.platform }}" == "ios" || "${{ matrix.platform }}" == "ios-simulator" || "${{ matrix.platform }}" == "tvos" ]]; then
-               cp build/libdmdutil.a tmp
-               cp -a build/*.dylib tmp
-            elif [[ "${{ matrix.platform }}" == "android" ]]; then
-               cp build/libdmdutil.a tmp
-               cp build/libdmdutil.so tmp
-            fi
-            cp -r test tmp/
-            cd tmp
-            tar -czvf ../${ARTIFACT_PATH} *
+            LIBS=(dmdutil cargs zedmd serum libusb-1.0 libserialport sockpp pupdmd vni)
           fi
-          echo "artifact_path=${ARTIFACT_PATH}" >> $GITHUB_OUTPUT
-      - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+          for LIB in "${LIBS[@]}"; do
+             cp "build/Release/${LIB}.lib" tmp
+             cp "build/Release/${LIB}.dll" tmp
+          done
+          cp build/Release/dmdserver.exe tmp
+          cp build/Release/dmdserver_test.exe tmp
+          cp build/Release/dmdutil_static.lib tmp
+          cp build/Release/dmdutil_test_s.exe tmp
+          cp build/Release/dmdutil_test.exe tmp
+          cp build/Release/dmdutil-generate-scenes.exe tmp
+          cp build/Release/dmdutil-play-dump.exe tmp
+          cp -r test tmp/
+          cd tmp && 7z a -r ../libdmdutil-${{ needs.version.outputs.tag }}-${{ matrix.platform }}-${{ matrix.arch }}.zip *
+      - if: (matrix.platform == 'win-mingw')
+        name: Prepare artifacts (win-mingw)
+        run: |
+          mkdir tmp
+          cp build/*.dll tmp/
+          cp build/*.dll.a tmp/
+          cp build/dmdutil_static.a tmp/
+          cp build/*.exe tmp/
+          cp -r test tmp/
+          cd tmp && 7z a -r ../libdmdutil-${{ needs.version.outputs.tag }}-${{ matrix.platform }}-${{ matrix.arch }}.zip *
+      - if: (matrix.platform == 'macos')
+        name: Prepare artifacts (macos)
+        run: |
+          mkdir tmp
+          cp build/libdmdutil.a tmp
+          cp -a build/*.dylib tmp
+          cp build/dmdserver tmp
+          cp build/dmdserver_test tmp
+          cp build/dmdutil_test_s tmp
+          cp build/dmdutil_test tmp
+          cp build/dmdutil-generate-scenes tmp
+          cp build/dmdutil-play-dump tmp
+          cp -r test tmp/
+          cd tmp && tar -czvf ../libdmdutil-${{ needs.version.outputs.tag }}-${{ matrix.platform }}-${{ matrix.arch }}.tar.gz *
+      - if: (matrix.platform == 'linux')
+        name: Prepare artifacts (linux)
+        run: |
+          mkdir tmp
+          cp build/libdmdutil.a tmp
+          cp -a build/*.so tmp
+          cp -a build/*.so.* tmp
+          cp build/dmdserver tmp
+          cp build/dmdserver_test tmp
+          cp build/dmdutil_test_s tmp
+          cp build/dmdutil_test tmp
+          cp build/dmdutil-generate-scenes tmp
+          cp build/dmdutil-play-dump tmp
+          cp -r test tmp/
+          cd tmp && tar -czvf ../libdmdutil-${{ needs.version.outputs.tag }}-${{ matrix.platform }}-${{ matrix.arch }}.tar.gz *
+      - if: (matrix.platform == 'ios' || matrix.platform == 'ios-simulator' || matrix.platform == 'tvos')
+        name: Prepare artifacts (ios/tvos)
+        run: |
+          mkdir tmp
+          cp build/libdmdutil.a tmp
+          cp -a build/*.dylib tmp
+          cd tmp && tar -czvf ../libdmdutil-${{ needs.version.outputs.tag }}-${{ matrix.platform }}-${{ matrix.arch }}.tar.gz *
+      - if: (matrix.platform == 'android')
+        name: Prepare artifacts (android)
+        run: |
+          mkdir tmp
+          cp build/libdmdutil.a tmp
+          cp build/libdmdutil.so tmp
+          cd tmp && tar -czvf ../libdmdutil-${{ needs.version.outputs.tag }}-${{ matrix.platform }}-${{ matrix.arch }}.tar.gz *
+      #
+      # upload artifacts
+      #
+      - if: (matrix.platform == 'win' || matrix.platform == 'win-mingw')
+        uses: actions/upload-artifact@v7
+        with:
+          name: libdmdutil-${{ needs.version.outputs.tag }}-${{ matrix.platform }}-${{ matrix.arch }}.zip
+          path: libdmdutil-${{ needs.version.outputs.tag }}-${{ matrix.platform }}-${{ matrix.arch }}.zip
+          archive: false
+      - if: (matrix.platform != 'win' && matrix.platform != 'win-mingw')
+        uses: actions/upload-artifact@v7
         with:
-          name: libdmdutil-${{ needs.version.outputs.tag }}-${{ matrix.platform }}-${{ matrix.arch }}
-          path: ${{ steps.artifacts.outputs.artifact_path }}
+          name: libdmdutil-${{ needs.version.outputs.tag }}-${{ matrix.platform }}-${{ matrix.arch }}.tar.gz
+          path: libdmdutil-${{ needs.version.outputs.tag }}-${{ matrix.platform }}-${{ matrix.arch }}.tar.gz
+          archive: false
 
   post-build:
     runs-on: macos-15
     needs: [ version, build ]
     name: Build libdmdutil-macos
     steps:
-      - uses: actions/download-artifact@v4
-      - name: Unpack artifacts
-        run: |
-          cd libdmdutil-${{ needs.version.outputs.tag }}-macos-x64
-          tar -xzvf libdmdutil-${{ needs.version.outputs.tag }}-macos-x64.tar.gz
-          cd ..
-          cd libdmdutil-${{ needs.version.outputs.tag }}-macos-arm64
-          tar -xzvf libdmdutil-${{ needs.version.outputs.tag }}-macos-arm64.tar.gz
+      - uses: actions/download-artifact@v8
+        with:
+          name: libdmdutil-${{ needs.version.outputs.tag }}-macos-x64.tar.gz
+          skip-decompress: true
+      - uses: actions/download-artifact@v8
+        with:
+          name: libdmdutil-${{ needs.version.outputs.tag }}-macos-arm64.tar.gz
+          skip-decompress: true
       - name: Combine macos architectures
         run: |
+          mkdir macos-x64 macos-arm64
+          tar -xzvf libdmdutil-${{ needs.version.outputs.tag }}-macos-x64.tar.gz -C macos-x64
+          tar -xzvf libdmdutil-${{ needs.version.outputs.tag }}-macos-arm64.tar.gz -C macos-arm64
           mkdir tmp
-          find "libdmdutil-${{ needs.version.outputs.tag }}-macos-arm64" -name "*.dylib" | while read -r file; do
+          find macos-arm64 -name "*.dylib" | while read -r file; do
             if [ -L "$file" ]; then
               cp -a "$file" "tmp/"
             elif [ -f "$file" ]; then
               filename=$(basename "$file")
               lipo -create -output "tmp/$filename" \
-                "libdmdutil-${{ needs.version.outputs.tag }}-macos-arm64/$filename" \
-                "libdmdutil-${{ needs.version.outputs.tag }}-macos-x64/$filename"
+                "macos-arm64/$filename" \
+                "macos-x64/$filename"
             fi
           done
-          for filename in dmdserver dmdserver_test dmdutil_test_s dmdutil_test; do
+          for filename in dmdserver dmdserver_test dmdutil_test_s dmdutil_test dmdutil-generate-scenes dmdutil-play-dump; do
             lipo -create -output "tmp/$filename" \
-               "libdmdutil-${{ needs.version.outputs.tag }}-macos-arm64/$filename" \
-               "libdmdutil-${{ needs.version.outputs.tag }}-macos-x64/$filename"
+               "macos-arm64/$filename" \
+               "macos-x64/$filename"
           done
-          cp -r libdmdutil-${{ needs.version.outputs.tag }}-macos-arm64/test tmp
-      - name: Prepare artifacts
-        run: |
-          cd tmp
-          tar -czvf ../libdmdutil-${{ needs.version.outputs.tag }}-macos.tar.gz *
+          cp -r macos-arm64/test tmp
+          cd tmp && tar -czvf ../libdmdutil-${{ needs.version.outputs.tag }}-macos.tar.gz * && cd ..
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
-          name: libdmdutil-${{ needs.version.outputs.tag }}-macos
+          name: libdmdutil-${{ needs.version.outputs.tag }}-macos.tar.gz
           path: libdmdutil-${{ needs.version.outputs.tag }}-macos.tar.gz
-      - name: Package
-        if: startsWith(github.ref, 'refs/tags/')
-        run: |
-          zip -r libdmdutil-${{ needs.version.outputs.tag }}-win-x64.zip libdmdutil-${{ needs.version.outputs.tag }}-win-x64
-          zip -r libdmdutil-${{ needs.version.outputs.tag }}-win-x86.zip libdmdutil-${{ needs.version.outputs.tag }}-win-x86
+          archive: false
+      - if: startsWith(github.ref, 'refs/tags/')
+        uses: actions/download-artifact@v8
+        with:
+          path: release
+          skip-decompress: true
       - name: Release
         uses: softprops/action-gh-release@v2
         if: startsWith(github.ref, 'refs/tags/')
         with:
           draft: true
-          files: |
-            libdmdutil-${{ needs.version.outputs.tag }}-win-x64.zip
-            libdmdutil-${{ needs.version.outputs.tag }}-win-x86.zip
-            libdmdutil-${{ needs.version.outputs.tag }}-macos-arm64/libdmdutil-${{ needs.version.outputs.tag }}-macos-arm64.tar.gz
-            libdmdutil-${{ needs.version.outputs.tag }}-macos-x64/libdmdutil-${{ needs.version.outputs.tag }}-macos-x64.tar.gz
-            libdmdutil-${{ needs.version.outputs.tag }}-macos.tar.gz
-            libdmdutil-${{ needs.version.outputs.tag }}-linux-x64/libdmdutil-${{ needs.version.outputs.tag }}-linux-x64.tar.gz
-            libdmdutil-${{ needs.version.outputs.tag }}-linux-aarch64/libdmdutil-${{ needs.version.outputs.tag }}-linux-aarch64.tar.gz
-            libdmdutil-${{ needs.version.outputs.tag }}-ios-arm64/libdmdutil-${{ needs.version.outputs.tag }}-ios-arm64.tar.gz
-            libdmdutil-${{ needs.version.outputs.tag }}-ios-simulator-arm64/libdmdutil-${{ needs.version.outputs.tag }}-ios-simulator-arm64.tar.gz
-            libdmdutil-${{ needs.version.outputs.tag }}-tvos-arm64/libdmdutil-${{ needs.version.outputs.tag }}-tvos-arm64.tar.gz
-            libdmdutil-${{ needs.version.outputs.tag }}-android-arm64-v8a/libdmdutil-${{ needs.version.outputs.tag }}-android-arm64-v8a.tar.gz
+          files: release/**/*
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a53b7956..b5cacd87 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -51,6 +51,8 @@ if(PLATFORM STREQUAL "win")
    if(ARCH STREQUAL "x86")
       add_compile_definitions(WIN32)
    endif()
+elseif(PLATFORM STREQUAL "win-mingw")
+   add_compile_options(-Wa,-mbig-obj)
 elseif(PLATFORM STREQUAL "macos")
    if (ARCH STREQUAL "arm64")
       set(CMAKE_OSX_ARCHITECTURES arm64)
@@ -97,7 +99,7 @@ set(DMDUTIL_SOURCES
 
 set(DMDUTIL_COMPILE_DEFINITIONS "")
 
-if(PLATFORM STREQUAL "win" OR PLATFORM STREQUAL "macos" OR PLATFORM STREQUAL "linux")
+if(PLATFORM STREQUAL "win" OR PLATFORM STREQUAL "win-mingw" OR PLATFORM STREQUAL "macos" OR PLATFORM STREQUAL "linux")
    list(APPEND DMDUTIL_SOURCES
       src/PixelcadeDMD.cpp
       src/PIN2DMD.cpp
@@ -127,6 +129,12 @@ if(BUILD_SHARED)
       else()
         target_link_libraries(dmdutil_shared PUBLIC cargs zedmd serum vni libusb-1.0 libserialport sockpp pupdmd ws2_32)
       endif()
+   elseif(PLATFORM STREQUAL "win-mingw")
+      target_link_directories(dmdutil_shared PUBLIC
+         third-party/build-libs/${PLATFORM}/${ARCH}
+         third-party/runtime-libs/${PLATFORM}/${ARCH}
+      )
+      target_link_libraries(dmdutil_shared PUBLIC cargs64 zedmd64 serum64 vni64 usb64-1.0 serialport64 sockpp64 pupdmd64 ws2_32)
    elseif(PLATFORM STREQUAL "macos")
       target_link_directories(dmdutil_shared PUBLIC
          third-party/runtime-libs/${PLATFORM}/${ARCH}
@@ -149,23 +157,32 @@ if(BUILD_SHARED)
       target_link_libraries(dmdutil_shared PUBLIC zedmd serum vni sockpp pupdmd)
    endif()
 
-   if(PLATFORM STREQUAL "win" AND ARCH STREQUAL "x64")
+   if((PLATFORM STREQUAL "win" OR PLATFORM STREQUAL "win-mingw") AND ARCH STREQUAL "x64")
       set(DMDUTIL_OUTPUT_NAME "dmdutil64")
    else()
       set(DMDUTIL_OUTPUT_NAME "dmdutil")
    endif()
 
-   set_target_properties(dmdutil_shared PROPERTIES
-      OUTPUT_NAME ${DMDUTIL_OUTPUT_NAME}
-      VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}
-   )
+   if(PLATFORM STREQUAL "win-mingw")
+      set_target_properties(dmdutil_shared PROPERTIES
+         PREFIX ""
+         IMPORT_PREFIX ""
+         OUTPUT_NAME ${DMDUTIL_OUTPUT_NAME}
+         VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}
+      )
+   else()
+      set_target_properties(dmdutil_shared PROPERTIES
+         OUTPUT_NAME ${DMDUTIL_OUTPUT_NAME}
+         VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}
+      )
+   endif()
 
    install(TARGETS dmdutil_shared
       LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/lib
    )
    install(DIRECTORY include/DMDUtil DESTINATION ${CMAKE_INSTALL_PREFIX}/include)
 
-   if(PLATFORM STREQUAL "win" OR PLATFORM STREQUAL "macos" OR PLATFORM STREQUAL "linux")
+   if(PLATFORM STREQUAL "win" OR PLATFORM STREQUAL "win-mingw" OR PLATFORM STREQUAL "macos" OR PLATFORM STREQUAL "linux")
       add_executable(dmdserver
          src/server.cpp
          src/Logger.cpp
@@ -210,8 +227,9 @@ if(BUILD_STATIC)
       target_compile_definitions(dmdutil_static PUBLIC ${DMDUTIL_COMPILE_DEFINITIONS})
    endif()
 
-   if(PLATFORM STREQUAL "win")
+   if(PLATFORM STREQUAL "win" OR PLATFORM STREQUAL "win-mingw")
       set_target_properties(dmdutil_static PROPERTIES
+         PREFIX ""
          OUTPUT_NAME "dmdutil_static"
       )
    else()
@@ -225,7 +243,7 @@ if(BUILD_STATIC)
    )
    install(DIRECTORY include/DMDUtil DESTINATION ${CMAKE_INSTALL_PREFIX}/include)
 
-   if(PLATFORM STREQUAL "win" OR PLATFORM STREQUAL "macos" OR PLATFORM STREQUAL "linux")
+   if(PLATFORM STREQUAL "win" OR PLATFORM STREQUAL "win-mingw" OR PLATFORM STREQUAL "macos" OR PLATFORM STREQUAL "linux")
       add_executable(dmdutil_test_s
          src/test.cpp
       )
@@ -240,6 +258,12 @@ if(BUILD_STATIC)
           else()
             target_link_libraries(dmdutil_test_s PUBLIC dmdutil_static cargs zedmd serum vni libusb-1.0 libserialport sockpp pupdmd ws2_32)
           endif()
+      elseif(PLATFORM STREQUAL "win-mingw")
+         target_link_directories(dmdutil_test_s PUBLIC
+            third-party/build-libs/${PLATFORM}/${ARCH}
+            third-party/runtime-libs/${PLATFORM}/${ARCH}
+         )
+         target_link_libraries(dmdutil_test_s PUBLIC dmdutil_static cargs64 zedmd64 serum64 vni64 usb64-1.0 serialport64 sockpp64 pupdmd64 ws2_32)
       elseif(PLATFORM STREQUAL "macos")
          target_link_directories(dmdutil_test_s PUBLIC
             third-party/runtime-libs/${PLATFORM}/${ARCH}
@@ -258,7 +282,7 @@ if(BUILD_STATIC)
    endif()
 endif()
 
-if(POST_BUILD_COPY_EXT_LIBS AND (PLATFORM STREQUAL "win" OR PLATFORM STREQUAL "macos" OR PLATFORM STREQUAL "linux"))
+if(POST_BUILD_COPY_EXT_LIBS AND (PLATFORM STREQUAL "win" OR PLATFORM STREQUAL "win-mingw" OR PLATFORM STREQUAL "macos" OR PLATFORM STREQUAL "linux"))
    add_custom_target(copy_ext_libs ALL)
 
    if(PLATFORM STREQUAL "win")
@@ -302,6 +326,21 @@ if(POST_BUILD_COPY_EXT_LIBS AND (PLATFORM STREQUAL "win" OR PLATFORM STREQUAL "m
             COMMAND "${CMAKE_COMMAND}" -E copy "${CMAKE_SOURCE_DIR}/third-party/runtime-libs/${PLATFORM}/${ARCH}/vni.dll" "$<TARGET_FILE_DIR:dmdutil_shared>"
          )
       endif()
+   elseif(PLATFORM STREQUAL "win-mingw")
+      add_dependencies(copy_ext_libs dmdutil_shared)
+      add_custom_command(TARGET copy_ext_libs POST_BUILD
+         COMMAND "${CMAKE_COMMAND}" -E copy "${CMAKE_SOURCE_DIR}/third-party/runtime-libs/${PLATFORM}/${ARCH}/libusb64-1.0.dll" "$<TARGET_FILE_DIR:dmdutil_shared>"
+         COMMAND "${CMAKE_COMMAND}" -E copy "${CMAKE_SOURCE_DIR}/third-party/runtime-libs/${PLATFORM}/${ARCH}/libcargs64.dll" "$<TARGET_FILE_DIR:dmdutil_shared>"
+         COMMAND "${CMAKE_COMMAND}" -E copy "${CMAKE_SOURCE_DIR}/third-party/runtime-libs/${PLATFORM}/${ARCH}/zedmd64.dll" "$<TARGET_FILE_DIR:dmdutil_shared>"
+         COMMAND "${CMAKE_COMMAND}" -E copy "${CMAKE_SOURCE_DIR}/third-party/runtime-libs/${PLATFORM}/${ARCH}/serum64.dll" "$<TARGET_FILE_DIR:dmdutil_shared>"
+         COMMAND "${CMAKE_COMMAND}" -E copy "${CMAKE_SOURCE_DIR}/third-party/runtime-libs/${PLATFORM}/${ARCH}/vni64.dll" "$<TARGET_FILE_DIR:dmdutil_shared>"
+         COMMAND "${CMAKE_COMMAND}" -E copy "${CMAKE_SOURCE_DIR}/third-party/runtime-libs/${PLATFORM}/${ARCH}/libserialport64-0.dll" "$<TARGET_FILE_DIR:dmdutil_shared>"
+         COMMAND "${CMAKE_COMMAND}" -E copy "${CMAKE_SOURCE_DIR}/third-party/runtime-libs/${PLATFORM}/${ARCH}/libsockpp64.dll" "$<TARGET_FILE_DIR:dmdutil_shared>"
+         COMMAND "${CMAKE_COMMAND}" -E copy "${CMAKE_SOURCE_DIR}/third-party/runtime-libs/${PLATFORM}/${ARCH}/pupdmd64.dll" "$<TARGET_FILE_DIR:dmdutil_shared>"
+         COMMAND "${CMAKE_COMMAND}" -E copy "${CMAKE_SOURCE_DIR}/third-party/runtime-libs/${PLATFORM}/${ARCH}/libgcc_s_seh-1.dll" "$<TARGET_FILE_DIR:dmdutil_shared>"
+         COMMAND "${CMAKE_COMMAND}" -E copy "${CMAKE_SOURCE_DIR}/third-party/runtime-libs/${PLATFORM}/${ARCH}/libstdc++-6.dll" "$<TARGET_FILE_DIR:dmdutil_shared>"
+         COMMAND "${CMAKE_COMMAND}" -E copy "${CMAKE_SOURCE_DIR}/third-party/runtime-libs/${PLATFORM}/${ARCH}/libwinpthread-1.dll" "$<TARGET_FILE_DIR:dmdutil_shared>"
+      )
    elseif(PLATFORM STREQUAL "macos")
       add_custom_command(TARGET copy_ext_libs POST_BUILD
          COMMAND cp -a "${CMAKE_SOURCE_DIR}/third-party/runtime-libs/${PLATFORM}/${ARCH}/*.dylib" "${CMAKE_BINARY_DIR}/"
diff --git a/README.md b/README.md
index 9c8f0533..b4d2ccbf 100644
--- a/README.md
+++ b/README.md
@@ -262,7 +262,12 @@ timings from the dump. Use `--delay-ms` to cap the per-frame delay; if a frame's
 
 ## Building:
 
-#### Windows (x64)
+#### Windows x64 (MSVC)
+
+Requires [MSYS2](https://www.msys2.org/) dependencies:
+```shell
+pacman -S make diffutils mingw-w64-ucrt-x86_64-gcc mingw-w64-ucrt-x86_64-libwinpthread mingw-w64-ucrt-x86_64-cmake
+```
 
 ```shell
 platforms/win/x64/external.sh
@@ -270,7 +275,12 @@ cmake -G "Visual Studio 17 2022" -DPLATFORM=win -DARCH=x64 -B build
 cmake --build build --config Release
 ```
 
-#### Windows (x86)
+#### Windows x86 (MSVC)
+
+Requires [MSYS2](https://www.msys2.org/) dependencies:
+```shell
+pacman -S make diffutils mingw-w64-i686-gcc mingw-w64-i686-libwinpthread mingw-w64-i686-cmake
+```
 
 ```shell
 platforms/win/x86/external.sh
@@ -278,6 +288,17 @@ cmake -G "Visual Studio 17 2022" -A Win32 -DPLATFORM=win -DARCH=x86 -B build
 cmake --build build --config Release
 ```
 
+#### Windows MinGW / MSYS2 UCRT64 (x64)
+
+Requires [MSYS2](https://www.msys2.org/) dependencies:
+```shell
+pacman -S make diffutils autoconf automake libtool mingw-w64-ucrt-x86_64-gcc mingw-w64-ucrt-x86_64-libwinpthread mingw-w64-ucrt-x86_64-cmake
+```
+
+```shell
+MSYSTEM=UCRT64 /usr/bin/bash -l -c "cd $(pwd) && platforms/win-mingw/x64/external.sh && cmake -DCMAKE_BUILD_TYPE=Release -DPLATFORM=win-mingw -DARCH=x64 -B build && cmake --build build -- -j$(nproc)"
+```
+
 #### Linux (x64)
 ```shell
 platforms/linux/x64/external.sh
diff --git a/platforms/config.sh b/platforms/config.sh
index 20298adf..9b6c46bd 100755
--- a/platforms/config.sh
+++ b/platforms/config.sh
@@ -2,10 +2,10 @@
 
 set -e
 
-LIBZEDMD_SHA=2a1e5da64a8a2b991a57f971e62bd417a9766608
-LIBSERUM_SHA=e0f6937df82a434653aeb5d72ef33e95861519fd
-LIBPUPDMD_SHA=124f45e5ddd59ceb339591de88fcca72f8c54612
-LIBVNI_SHA=44375cf1e9d25c7063e52068f6915cb7a3c888d6
+LIBZEDMD_SHA=31f81378af4f7d74bed94c15e6e90adb4908d3a3
+LIBSERUM_SHA=1a0d912fb4166b5b1181d54d8312e8ce28058ab3
+LIBPUPDMD_SHA=cd186754ba0dcc1ea418d5557d59d7bf2ed628a3
+LIBVNI_SHA=ba43c5abff7fbbb831a4beb9be54447df1532f0c
 LIBUSB_SHA=15a7ebb4d426c5ce196684347d2b7cafad862626
 
 if [ -z "${BUILD_TYPE}" ]; then
diff --git a/platforms/win-mingw/x64/external.sh b/platforms/win-mingw/x64/external.sh
new file mode 100755
index 00000000..e6e56480
--- /dev/null
+++ b/platforms/win-mingw/x64/external.sh
@@ -0,0 +1,155 @@
+#!/bin/bash
+
+set -e
+
+source ./platforms/config.sh
+
+echo "Building libraries..."
+echo "  LIBUSB_SHA: ${LIBUSB_SHA}"
+echo "  LIBZEDMD_SHA: ${LIBZEDMD_SHA}"
+echo "  LIBSERUM_SHA: ${LIBSERUM_SHA}"
+echo "  LIBPUPDMD_SHA: ${LIBPUPDMD_SHA}"
+echo "  LIBVNI_SHA: ${LIBVNI_SHA}"
+echo ""
+
+NUM_PROCS=$(nproc)
+
+rm -rf external
+mkdir external
+cd external
+
+#
+# build libusb and copy to third-party
+#
+
+curl -sL https://github.com/libusb/libusb/archive/${LIBUSB_SHA}.tar.gz -o libusb-${LIBUSB_SHA}.tar.gz
+tar xzf libusb-${LIBUSB_SHA}.tar.gz
+mv libusb-${LIBUSB_SHA} libusb
+cd libusb
+sed -i.bak 's/libusb-1\.0/libusb64-1.0/g' libusb/Makefile.am
+sed -i.bak 's/libusb_1_0/libusb64_1_0/g' libusb/Makefile.am
+mv libusb/libusb-1.0.def libusb/libusb64-1.0.def
+mv libusb/libusb-1.0.rc libusb/libusb64-1.0.rc
+sed -i.bak 's/libusb-1\.0/libusb64-1.0/g' libusb/libusb64-1.0.def
+sed -i.bak 's/libusb-1\.0/libusb64-1.0/g' libusb/libusb64-1.0.rc
+./autogen.sh
+./configure \
+   --enable-shared
+make -j${NUM_PROCS}
+mkdir -p ../../third-party/include/libusb-1.0
+cp libusb/libusb.h ../../third-party/include/libusb-1.0
+cp libusb/.libs/libusb64-1.0.dll.a ../../third-party/build-libs/win-mingw/x64/
+cp libusb/.libs/libusb64-1.0.dll ../../third-party/runtime-libs/win-mingw/x64/
+cd ..
+
+#
+# build libzedmd and copy to external
+#
+
+curl -sL https://github.com/PPUC/libzedmd/archive/${LIBZEDMD_SHA}.tar.gz -o libzedmd-${LIBZEDMD_SHA}.tar.gz
+tar xzf libzedmd-${LIBZEDMD_SHA}.tar.gz
+mv libzedmd-${LIBZEDMD_SHA} libzedmd
+cd libzedmd
+BUILD_TYPE=${BUILD_TYPE} platforms/win-mingw/x64/external.sh
+cmake \
+   -DCMAKE_BUILD_TYPE=${BUILD_TYPE} \
+   -DPLATFORM=win-mingw \
+   -DARCH=x64 \
+   -DBUILD_SHARED=ON \
+   -DBUILD_STATIC=OFF \
+   -B build
+cmake --build build -- -j${NUM_PROCS}
+cp src/ZeDMD.h ../../third-party/include/
+cp third-party/include/cargs.h ../../third-party/include/
+cp -r third-party/include/komihash ../../third-party/include/
+cp -r third-party/include/sockpp ../../third-party/include/
+cp third-party/include/FrameUtil.h ../../third-party/include/
+cp third-party/include/libserialport.h ../../third-party/include/
+cp third-party/build-libs/win-mingw/x64/libcargs64.dll.a ../../third-party/build-libs/win-mingw/x64/
+cp third-party/runtime-libs/win-mingw/x64/libcargs64.dll ../../third-party/runtime-libs/win-mingw/x64/
+cp third-party/build-libs/win-mingw/x64/libserialport64.dll.a ../../third-party/build-libs/win-mingw/x64/
+cp third-party/runtime-libs/win-mingw/x64/libserialport64-0.dll ../../third-party/runtime-libs/win-mingw/x64/
+cp third-party/build-libs/win-mingw/x64/libsockpp64.dll.a ../../third-party/build-libs/win-mingw/x64/
+cp third-party/runtime-libs/win-mingw/x64/libsockpp64.dll ../../third-party/runtime-libs/win-mingw/x64/
+cp build/zedmd64.dll.a ../../third-party/build-libs/win-mingw/x64/
+cp build/zedmd64.dll ../../third-party/runtime-libs/win-mingw/x64/
+cp -r test ../../
+cd ..
+
+#
+# build libserum and copy to external
+#
+
+curl -sL https://github.com/PPUC/libserum/archive/${LIBSERUM_SHA}.tar.gz -o libserum-${LIBSERUM_SHA}.tar.gz
+tar xzf libserum-${LIBSERUM_SHA}.tar.gz
+mv libserum-${LIBSERUM_SHA} libserum
+cd libserum
+cmake \
+   -DCMAKE_BUILD_TYPE=${BUILD_TYPE} \
+   -DPLATFORM=win-mingw \
+   -DARCH=x64 \
+   -DBUILD_SHARED=ON \
+   -DBUILD_STATIC=OFF \
+   -B build
+cmake --build build -- -j${NUM_PROCS}
+cp -r third-party/include/lz4 ../../third-party/include/
+cp src/LZ4Stream.h ../../third-party/include/
+cp src/SceneGenerator.h ../../third-party/include/
+cp src/serum.h ../../third-party/include/
+cp src/TimeUtils.h ../../third-party/include/
+cp src/serum-decode.h ../../third-party/include/
+cp build/serum64.dll.a ../../third-party/build-libs/win-mingw/x64/
+cp build/serum64.dll ../../third-party/runtime-libs/win-mingw/x64/
+cd ..
+
+#
+# build libpupdmd and copy to external
+#
+
+curl -sL https://github.com/PPUC/libpupdmd/archive/${LIBPUPDMD_SHA}.tar.gz -o libpupdmd-${LIBPUPDMD_SHA}.tar.gz
+tar xzf libpupdmd-${LIBPUPDMD_SHA}.tar.gz
+mv libpupdmd-${LIBPUPDMD_SHA} libpupdmd
+cd libpupdmd
+cmake \
+   -DCMAKE_BUILD_TYPE=${BUILD_TYPE} \
+   -DPLATFORM=win-mingw \
+   -DARCH=x64 \
+   -DBUILD_SHARED=ON \
+   -DBUILD_STATIC=OFF \
+   -B build
+cmake --build build -- -j${NUM_PROCS}
+cp src/pupdmd.h ../../third-party/include/
+cp build/pupdmd64.dll.a ../../third-party/build-libs/win-mingw/x64/
+cp build/pupdmd64.dll ../../third-party/runtime-libs/win-mingw/x64/
+cd ..
+
+#
+# build libvni and copy to external
+#
+
+curl -sL https://github.com/PPUC/libvni/archive/${LIBVNI_SHA}.tar.gz -o libvni-${LIBVNI_SHA}.tar.gz
+tar xzf libvni-${LIBVNI_SHA}.tar.gz
+mv libvni-${LIBVNI_SHA} libvni
+cd libvni
+cmake \
+   -DCMAKE_BUILD_TYPE=${BUILD_TYPE} \
+   -DPLATFORM=win-mingw \
+   -DARCH=x64 \
+   -DBUILD_SHARED=ON \
+   -DBUILD_STATIC=OFF \
+   -B build
+cmake --build build -- -j${NUM_PROCS}
+cp src/vni.h ../../third-party/include/
+cp build/vni64.dll.a ../../third-party/build-libs/win-mingw/x64/
+cp build/vni64.dll ../../third-party/runtime-libs/win-mingw/x64/
+cd ..
+
+#
+# copy UCRT64 runtime DLLs
+#
+
+UCRT64_BIN="${MINGW_PREFIX}/bin"
+
+cp "${UCRT64_BIN}/libgcc_s_seh-1.dll" ../third-party/runtime-libs/win-mingw/x64/
+cp "${UCRT64_BIN}/libstdc++-6.dll" ../third-party/runtime-libs/win-mingw/x64/
+cp "${UCRT64_BIN}/libwinpthread-1.dll" ../third-party/runtime-libs/win-mingw/x64/
diff --git a/third-party/build-libs/win-mingw/x64/.gitkeep b/third-party/build-libs/win-mingw/x64/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/third-party/runtime-libs/win-mingw/x64/.gitkeep b/third-party/runtime-libs/win-mingw/x64/.gitkeep
new file mode 100644
index 00000000..e69de29b