diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bbf7a9bf4..6b4458f06 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -171,23 +171,6 @@ jobs:
           echo "OAK_OFX_PLUGIN_PATH=$PLUGIN_DIR" >> "$GITHUB_ENV"
           echo "OAK_OFX_PLUGIN_ID=net.sf.openfx.ChromaKeyerPlugin" >> "$GITHUB_ENV"
 
-      - name: Build OpenFX-Misc plugins (Windows)
-        if: runner.os == 'Windows'
-        shell: msys2 {0}
-        run: |
-          cd openfx-misc
-          mingw32-make -j4
-          mingw32-make install
-          PLUGIN_FILE=$(find /usr/OFX/Plugins /usr/local/OFX/Plugins . -name "*.ofx.bundle" -print -quit 2>/dev/null | head -1)
-          if [ -n "$PLUGIN_FILE" ]; then
-            PLUGIN_DIR=$(dirname "$PLUGIN_FILE")
-          else
-            PLUGIN_DIR="$PWD"
-          fi
-          echo "OAK_OFX_ITEST=1" >> "$GITHUB_ENV"
-          echo "OAK_OFX_PLUGIN_PATH=$PLUGIN_DIR" >> "$GITHUB_ENV"
-          echo "OAK_OFX_PLUGIN_ID=net.sf.openfx.ChromaKeyerPlugin" >> "$GITHUB_ENV"
-
       # ------------------------------------------------------------------
       # Run all tests (including previously environment-gated OFX tests)
       # ------------------------------------------------------------------
@@ -234,11 +217,6 @@ jobs:
         if: runner.os == 'macOS'
         run: ./build/tests/gtest/olive-gtest --gtest_filter="PluginIntegration.*:PluginMisc.*"
 
-      - name: OFX Integration Tests (Windows)
-        if: runner.os == 'Windows'
-        shell: msys2 {0}
-        run: ./build/tests/gtest/olive-gtest --gtest_filter="PluginIntegration.*:PluginMisc.*"
-
       - name: Audio Smoke Tests (Linux)
         if: runner.os == 'Linux'
         env:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 521a3f3a2..a008507ef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -210,6 +210,10 @@ list(APPEND OLIVE_LIBRARIES
   FFMPEG::swresample
 )
 
+# Static FFmpeg (e.g. our Linux CI build) needs zlib for libavcodec.
+find_package(ZLIB REQUIRED)
+list(APPEND OLIVE_LIBRARIES ZLIB::ZLIB)
+
 # Link PortAudio
 find_package(PortAudio REQUIRED)
 set(CMAKE_REQUIRED_INCLUDES ${PORTAUDIO_INCLUDE_DIRS})
diff --git a/act b/act
new file mode 100755
index 000000000..d23696743
Binary files /dev/null and b/act differ