diff --git a/tools/chatgui/build.sh b/tools/chatgui/build.sh
index 7cbb9618..b387949e 100755
--- a/tools/chatgui/build.sh
+++ b/tools/chatgui/build.sh
@@ -167,7 +167,7 @@ done
     log "  Resolving non-Qt dependencies recursively..."
     log "  Windows system DLLs are provided by the OS and excluded from deployment"
     # Проверяем также уже скопированные DLL: наличие файла не гарантирует наличие его зависимостей.
-    todo=("$BUILD_DIR/vibechat.exe" "$BUILD_DIR/"*.dll "$BUILD_DIR/platforms/"*.dll "$BUILD_DIR/imageformats/"*.dll)
+    todo=("$BUILD_DIR/vibechat.exe" "$BUILD_DIR/"*.dll "$BUILD_DIR/platforms/"*.dll "$BUILD_DIR/imageformats/"*.dll "$BUILD_DIR/multimedia/"*.dll)
     declare -A scanned=()
     MISSING=0
     # Большой вывод objdump передаём через файл, чтобы не зависеть от here-string и pipe в MSYS2.
@@ -208,6 +208,8 @@ done
                 wtsapi32.dll|mpr.dll|ntdll.dll|avicap32.dll|msimg32.dll|wldap32.dll|gdiplus.dll|usp10.dll|\
                 dwrite.dll|winspool.drv|api-ms-win-*)
                     continue ;;
+                mf.dll|mfplat.dll|mfreadwrite.dll|mfuuid.dll|dxva2.dll|mmdevapi.dll|propsys.dll|ksuser.dll|msdmo.dll)
+                    continue ;;
             esac
             if [ ! -f "$BUILD_DIR/$dep" ]; then
                 dep_src=""
diff --git a/tools/chatgui/src/stream_publish_engine.cpp b/tools/chatgui/src/stream_publish_engine.cpp
index f04fe10f..8e343334 100644
--- a/tools/chatgui/src/stream_publish_engine.cpp
+++ b/tools/chatgui/src/stream_publish_engine.cpp
@@ -98,8 +98,9 @@ QList<StreamVideoSource> StreamPublishEngine::sources() {
     QList<StreamVideoSource> sources;
 #ifdef HAVE_STREAM_CAPTURE
     for (const auto& camera : QMediaDevices::videoInputs()) sources.push_back({StreamVideoSource::Camera, camera.description(), camera.id(), {}});
-    if (QGuiApplication::platformName().contains("wayland")) {
-        sources.push_back({StreamVideoSource::Screen, text("Screen or window (system selection)"), "portal", {}});
+    if (QGuiApplication::platformName().contains("wayland") || qEnvironmentVariable("XDG_SESSION_TYPE") == "wayland"
+        || qEnvironmentVariableIsSet("WAYLAND_DISPLAY")) {
+        sources.push_back({StreamVideoSource::Screen, text("Screen (system selection)"), "portal", {}});
     } else {
         for (auto* screen : QGuiApplication::screens()) sources.push_back({StreamVideoSource::Screen, screen->name(), screen->name().toUtf8(), {}});
         for (const auto& window : QWindowCapture::capturableWindows())
diff --git a/tools/chatgui/tests/test_runtime_deploy.sh b/tools/chatgui/tests/test_runtime_deploy.sh
index 93db0a43..3fcd8403 100644
--- a/tools/chatgui/tests/test_runtime_deploy.sh
+++ b/tools/chatgui/tests/test_runtime_deploy.sh
@@ -79,7 +79,7 @@ echo 'PASS: Qt6, Windows system DLLs (d3d9/SHCORE), matching platform/JPEG/WebP
 mkdir -p "$prefix/share/qt6/plugins/multimedia"
 printf 'DLL Name: Qt6Gui.dll\n' > "$prefix/bin/Qt6Multimedia.dll"
 printf 'DLL Name: Qt6Multimedia.dll\n' > "$prefix/bin/Qt6MultimediaWidgets.dll"
-printf 'DLL Name: Qt6Multimedia.dll\nDLL Name: capture-helper.dll\n' > "$prefix/share/qt6/plugins/multimedia/ffmpegmediaplugin.dll"
+printf 'DLL Name: Qt6Multimedia.dll\nDLL Name: capture-helper.dll\nDLL Name: MFPlat.dll\n' > "$prefix/share/qt6/plugins/multimedia/ffmpegmediaplugin.dll"
 printf 'DLL Name: KERNEL32.dll\n' > "$prefix/bin/capture-helper.dll"
 run_case 6 1
 for name in Qt6Multimedia.dll Qt6MultimediaWidgets.dll multimedia/ffmpegmediaplugin.dll capture-helper.dll; do