diff --git a/OpenBoard.pro b/OpenBoard.pro
index 51a3584a..e2bea491 100644
--- a/OpenBoard.pro
+++ b/OpenBoard.pro
@@ -430,6 +430,9 @@ linux-g++* {
     LIBS += -lcrypto
     #LIBS += -lprofiler
     LIBS += -lX11
+    LIBS += -lquazip5
+    INCLUDEPATH += "/usr/include/quazip"
+
     LIBS += -lpoppler
     INCLUDEPATH += "/usr/include/poppler"
 
diff --git a/release_scripts/linux/build.sh b/release_scripts/linux/build.sh
index 5158e019..42846aeb 100755
--- a/release_scripts/linux/build.sh
+++ b/release_scripts/linux/build.sh
@@ -26,7 +26,7 @@ initializeVariables()
   PRODUCT_PATH="$BUILD_DIR/product"
 
   # Qt installation path. This may vary across machines
-  QT_PATH="/usr/lib/x86_64-linux-gnu/qt5"
+  QT_PATH="/home/dev/Qt/5.13.2/gcc_64"
   PLUGINS_PATH="$QT_PATH/plugins"
   GUI_TRANSLATIONS_DIRECTORY_PATH="/usr/share/qt5/translations"
   QMAKE_PATH="$QT_PATH/bin/qmake"
diff --git a/release_scripts/linux/package.sh b/release_scripts/linux/package.sh
index 7837431e..f6adc7c6 100755
--- a/release_scripts/linux/package.sh
+++ b/release_scripts/linux/package.sh
@@ -85,13 +85,13 @@ initializeVariables()
 
   # Include Qt libraries and plugins in the package, or not
   # (this is necessary if the target system doesn't provide Qt 5.5.1)
-  BUNDLE_QT=false
+  BUNDLE_QT=true
 
   # Qt installation path. This may vary across machines
-  QT_PATH="/usr/lib/x86_64-linux-gnu/qt5"
+  QT_PATH="/home/dev/Qt/5.13.2/gcc_64"
   QT_PLUGINS_SOURCE_PATH="$QT_PATH/plugins"
   GUI_TRANSLATIONS_DIRECTORY_PATH="/usr/share/qt5/translations"
-  QT_LIBRARY_SOURCE_PATH="$QT_PATH/.."
+  QT_LIBRARY_SOURCE_PATH="$QT_PATH/lib"
 
   NOTIFY_CMD=`which notify-send`
   ZIP_PATH=`which zip`
@@ -131,12 +131,11 @@ notifyProgress(){
 copyQtLibrary(){
     echo -e "\t $1"
     if ls "$QT_LIBRARY_SOURCE_PATH/$1.so" &> /dev/null; then
-        cp -P $QT_LIBRARY_SOURCE_PATH/$1.so.? "$QT_LIBRARY_DEST_PATH/"
-        cp -P $QT_LIBRARY_SOURCE_PATH/$1.so.?.? "$QT_LIBRARY_DEST_PATH/"
-        cp -P $QT_LIBRARY_SOURCE_PATH/$1.so.?.?.? "$QT_LIBRARY_DEST_PATH/"
+        cp -P $QT_LIBRARY_SOURCE_PATH/$1.so "$QT_LIBRARY_DEST_PATH/"
+        cp -P $QT_LIBRARY_SOURCE_PATH/$1.so.* "$QT_LIBRARY_DEST_PATH/"
 
-        strip $QT_LIBRARY_DEST_PATH/$1.so.?.?.?
-        chmod 644 $QT_LIBRARY_DEST_PATH/$1.so.?.?.? # 644 = rw-r-r
+        strip $QT_LIBRARY_DEST_PATH/$1.so
+        chmod 644 $QT_LIBRARY_DEST_PATH/$1.so.* # 644 = rw-r-r
     else
         notifyError "$1 library not found in path: $QT_LIBRARY_SOURCE_PATH"
     fi
@@ -209,7 +208,7 @@ if $BUNDLE_QT; then
     copyQtPlugin platformthemes
     copyQtPlugin position
     copyQtPlugin printsupport
-    copyQtPlugin qtwebengine
+    #copyQtPlugin qtwebengine
     copyQtPlugin sceneparsers
     copyQtPlugin xcbglintegrations
 
@@ -219,6 +218,7 @@ if $BUNDLE_QT; then
     copyQtLibrary libQt5DBus
     copyQtLibrary libQt5Gui
     copyQtLibrary libQt5Multimedia
+    copyQtLibrary libQt5MultimediaGstTools
     copyQtLibrary libQt5MultimediaWidgets
     copyQtLibrary libQt5Network
     copyQtLibrary libQt5OpenGL
@@ -238,7 +238,9 @@ if $BUNDLE_QT; then
     copyQtLibrary libQt5XcbQpa
     copyQtLibrary libQt5Xml
     copyQtLibrary libQt5XmlPatterns
-    copyQtLibrary libqgsttools_p
+    copyQtLibrary libicuuc
+    copyQtLibrary libicui18n
+    copyQtLibrary libicudata
 fi
 
 notifyProgress "Copying Qt translations"
@@ -325,8 +327,11 @@ if $BUNDLE_QT; then
         for lib in `dpkg -S  $l | grep -v "libqt5" | grep -v "qt55" | awk -F":" '{ print $1 }'`; do
             presence=`echo ${tab[*]} | grep -c "$lib"`;
             if [ "$presence" == "0" ]; then
-                tab[$count]=$lib;
-                ((count++));
+		if [ "$lib" != "openboard" ]; then
+			 echo "adding $lib to tab"
+        	        tab[$count]=$lib;
+        	        ((count++));
+		fi;
             fi;
         done;
     done;
diff --git a/release_scripts/windows/OpenBoard.iss b/release_scripts/windows/OpenBoard.iss
index 5f74476a..6eb5da75 100644
--- a/release_scripts/windows/OpenBoard.iss
+++ b/release_scripts/windows/OpenBoard.iss
@@ -59,8 +59,8 @@ Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\microsoft\vcredist_x86.exe"; Des
 Source: "{#ProjectRoot}\build\win32\release\product\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
 
 ;OpenSSL
-Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\openssl\openssl-1.1.0-win32\bin\libssl-1_1.dll"; DestDir:"{app}"; Flags: ignoreversion
-Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\openssl\openssl-1.1.0-win32\bin\libcrypto-1_1.dll"; DestDir:"{app}"; Flags: ignoreversion
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\openssl\openssl-1.1.0-win64\bin\libssl-1_1-x64.dll"; DestDir:"{app}"; Flags: ignoreversion
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\openssl\openssl-1.1.0-win64\bin\libcrypto-1_1-x64.dll"; DestDir:"{app}"; Flags: ignoreversion
 Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\openssl\win32\libeay32.dll"; DestDir:"{app}"; Flags: ignoreversion
 Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\openssl\win32\ssleay32.dll"; DestDir:"{app}"; Flags: ignoreversion
 
@@ -91,9 +91,13 @@ Source: "{#QtLibs}\libEGL.dll"; DestDir: "{app}"
 ;Source: "/etc/freezedWidgetWrapper.html"; DestDir: "{app}"  
 ;Source: "*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
 
-Source: "{#QtLibs}\icudt54.dll"; DestDir: "{app}"  
-Source: "{#QtLibs}\icuin54.dll"; DestDir: "{app}"
-Source: "{#QtLibs}\icuuc54.dll"; DestDir: "{app}"  
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\zlib\zlib-1.2.11\bin\zlib.dll"; DestDir:"{app}"; Flags: ignoreversion
+
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\qtwebkit\bin\icudt64.dll"; DestDir: "{app}"
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\qtwebkit\bin\icuin64.dll"; DestDir: "{app}"
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\qtwebkit\bin\icuuc64.dll"; DestDir: "{app}"
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\qtwebkit\bin\libxml2.dll"; DestDir: "{app}"
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\qtwebkit\bin\libxslt.dll"; DestDir: "{app}"
 
 ; NOTE: Don't use "Flags: ignoreversion" on any shared system files
 
@@ -103,11 +107,20 @@ Source: "{#QtDir}\plugins\platforms\qoffscreen.dll"; DestDir: "{app}\platforms";
 Source: "{#QtDir}\plugins\platforms\qwindows.dll"; DestDir: "{app}\platforms"; Flags: ignoreversion
 
 
+;ffmpeg
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\ffmpeg\bin\avcodec-58.dll"; DestDir: "{app}"
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\ffmpeg\bin\avdevice-58.dll"; DestDir: "{app}"
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\ffmpeg\bin\avfilter-7.dll"; DestDir: "{app}"
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\ffmpeg\bin\avformat-58.dll"; DestDir: "{app}"
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\ffmpeg\bin\avutil-56.dll"; DestDir: "{app}"
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\ffmpeg\bin\postproc-55.dll"; DestDir: "{app}"
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\ffmpeg\bin\swresample-3.dll"; DestDir: "{app}"
+Source: "{#ProjectRoot}\..\OpenBoard-ThirdParty\ffmpeg\bin\swscale-5.dll"; DestDir: "{app}"
+
 ;Qt images formats plugins
 Source: "{#QtDir}\plugins\imageformats\qgif.dll"; DestDir: "{app}\imageformats"; Flags: ignoreversion
 Source: "{#QtDir}\plugins\imageformats\qico.dll"; DestDir: "{app}\imageformats"; Flags: ignoreversion
 Source: "{#QtDir}\plugins\imageformats\qjpeg.dll"; DestDir: "{app}\imageformats"; Flags: ignoreversion
-Source: "{#QtDir}\plugins\imageformats\qmng.dll"; DestDir: "{app}\imageformats"; Flags: ignoreversion
 Source: "{#QtDir}\plugins\imageformats\qsvg.dll"; DestDir: "{app}\imageformats"; Flags: ignoreversion
 Source: "{#QtDir}\plugins\imageformats\qtiff.dll"; DestDir: "{app}\imageformats"; Flags: ignoreversion   
 
diff --git a/release_scripts/windows/release.win7.vc9.bat b/release_scripts/windows/release.win7.vc9.bat
index e55429d7..47f344d7 100644
--- a/release_scripts/windows/release.win7.vc9.bat
+++ b/release_scripts/windows/release.win7.vc9.bat
@@ -19,22 +19,22 @@ set SCRIPT_PATH=%~dp0
 set PROJECT_ROOT=%SCRIPT_PATH%\..\..
 
 set APPLICATION_NAME=OpenBoard
-set QT_DIR=C:\Program Files\Qt\5.5\msvc2010
+set QT_DIR=C:\Qt\5.13.2\msvc2017_64
 set QT_BIN=%QT_DIR%\bin
 
 set PROGRAMS_FILE_PATH=C:\Program Files (x86)
 
 set GIT_BIN=C:\Program Files\Git\bin
-set VS_BIN=%PROGRAMS_FILE_PATH%\Microsoft Visual Studio 10.0\VC\bin
+set VS_BIN=%PROGRAMS_FILE_PATH%\Microsoft Visual Studio 14.0\VC\bin
 set WIN_SDK_BIN=%PROGRAMS_FILE_PATH%\Microsoft SDKs\Windows\v6.0A\Bin
-set INNO_EXE=%PROGRAMS_FILE_PATH%\Inno Setup 5\iscc.exe 
+set INNO_EXE=%PROGRAMS_FILE_PATH%\Inno Setup 6\iscc.exe
 set BUILD_DIR=%PROJECT_ROOT%\build\win32\release
 set LRELEASE=%QT_DIR%\bin\lrelease.exe
 set BASE_QT_TRANSLATIONS_DIRECTORY=%QT_DIR%\translations
 
 set PATH=%QT_BIN%;%PATH%;%WIN_SDK_BIN%;%GIT_BIN%
 
-call "%VS_BIN%\vcvars32.bat"
+REM call "%VS_BIN%\vcvars32.bat"
 
 echo %PATH%
 
@@ -88,11 +88,6 @@ xcopy /s resources\customizations %CUSTOMIZATIONS%
 set I18n=build\win32\release\product\i18n
 xcopy /s "%BASE_QT_TRANSLATIONS_DIRECTORY%\qt_*.qm" %I18n%\
 
-del build\win32\release\product\i18n\qt_help*
-
-del "build\win32\release\product\%APPLICATION_NAME%.pdb"
-
-
 call "%INNO_EXE%" "%SCRIPT_PATH%\%APPLICATION_NAME%.iss" /F"%APPLICATION_NAME%_Installer_%VERSION%"
 
 GOTO END
diff --git a/src/board/UBBoardView.cpp b/src/board/UBBoardView.cpp
index d39240cf..ce163d10 100644
--- a/src/board/UBBoardView.cpp
+++ b/src/board/UBBoardView.cpp
@@ -777,6 +777,7 @@ void UBBoardView::handleItemMousePress(QMouseEvent *event)
                 if ((*it)->pos().x() < 0 || (*it)->pos().y() < 0)
                     (*it)->setPos(0,item->boundingRect().size().height());
         }
+        movingItem = item;
     }
     else
     {
diff --git a/src/core/UBDisplayManager.cpp b/src/core/UBDisplayManager.cpp
index d0fa2014..86ab38ae 100644
--- a/src/core/UBDisplayManager.cpp
+++ b/src/core/UBDisplayManager.cpp
@@ -222,17 +222,37 @@ void UBDisplayManager::adjustScreens(int screen)
 
 void UBDisplayManager::positionScreens()
 {
-
     if(mDesktopWidget && mControlScreenIndex > -1)
     {
         mDesktopWidget->hide();
-        mDesktopWidget->setGeometry(mDesktop->screenGeometry(mControlScreenIndex));
+        mDesktopWidget->setGeometry(mDesktop->availableGeometry(mDesktopWidget));
     }
     if (mControlWidget && mControlScreenIndex > -1)
     {
         mControlWidget->hide();
-        mControlWidget->setGeometry(mDesktop->screenGeometry(mControlScreenIndex));
+        mControlWidget->setGeometry(mDesktop->availableGeometry(mControlWidget));
+
+#ifdef Q_OS_LINUX
+        /*
+         * in Gnome (X11), a very strange behavior randomly happens if this call is done at app start (the transparent drawing view of the desktop mode
+         * becomes somewhat a screenshot of the gnome desktop, so no interaction is possible through the view, and a second "screenshot" (or a second "thread" of the window ? ...) of the desktpop appears ...
+         *
+         * It seems to be already assumed by Qt though, so not sure if a qtbug should be created..
+         *
+         * A known regression is that starting OpenBoard in DesktopMode directly may not handle perfectly until a screen mode change occurs (going to BoardMode and go back to Desktop Mode)
+         * (left palette closed by default and pen size way too large...) but it is less blocking than the other issue.
+         *
+         * Maybe To be able to start in DesktopMode should be reconsidered as it seems to work only on Windows at this time (or available only on Windows)
+         *
+         * https://doc.qt.io/qt-5/qwidget.html#showFullScreen
+        */
+        if (qgetenv("XDG_SESSION_TYPE") != "x11")
+        {
+            UBPlatformUtils::showFullScreen(mControlWidget);
+        }
+#else
         UBPlatformUtils::showFullScreen(mControlWidget);
+#endif
     }
 
     if (mDisplayWidget && mDisplayScreenIndex > -1)
diff --git a/src/pdf-merger/Config.h b/src/pdf-merger/Config.h
index a18721c8..de3fe030 100644
--- a/src/pdf-merger/Config.h
+++ b/src/pdf-merger/Config.h
@@ -37,7 +37,9 @@ Is intended for multiplatform support
 #ifdef WIN32
 
 #define _CRT_SECURE_NO_WARNINGS 
+#if _MSC_VER < 1700
 #define snprintf _snprintf
+#endif
 
 #endif    
 
diff --git a/src/podcast/UBPodcastController.cpp b/src/podcast/UBPodcastController.cpp
index 0a33ab32..35b00563 100644
--- a/src/podcast/UBPodcastController.cpp
+++ b/src/podcast/UBPodcastController.cpp
@@ -59,8 +59,8 @@
 
 
 #ifdef Q_OS_WIN
-    #include "windowsmedia/UBWindowsMediaVideoEncoder.h"
-    #include "windowsmedia/UBWaveRecorder.h"
+    #include "ffmpeg/UBFFmpegVideoEncoder.h"
+    #include "ffmpeg/UBMicrophoneInput.h"
 #elif defined(Q_OS_OSX)
     #include "ffmpeg/UBFFmpegVideoEncoder.h"
     #include "ffmpeg/UBMicrophoneInput.h"
@@ -308,13 +308,7 @@ void UBPodcastController::start()
 
         applicationMainModeChanged(UBApplication::applicationController->displayMode());
 
-#ifdef Q_OS_WIN
-        mVideoEncoder = new UBWindowsMediaVideoEncoder(this);  //deleted on stop
-#elif defined(Q_OS_OSX)
-        mVideoEncoder = new UBFFmpegVideoEncoder(this);
-#elif defined(Q_OS_LINUX)
         mVideoEncoder = new UBFFmpegVideoEncoder(this);
-#endif
 
         if (mVideoEncoder)
         {
@@ -805,13 +799,7 @@ QStringList UBPodcastController::audioRecordingDevices()
 {
     QStringList devices;
 
-#ifdef Q_OS_WIN
-    devices = UBWaveRecorder::waveInDevices();
-#elif defined(Q_OS_OSX)
     devices = UBMicrophoneInput::availableDevicesNames();
-#elif defined(Q_OS_LINUX)
-    devices = UBMicrophoneInput::availableDevicesNames();
-#endif
 
     return devices;
 }
diff --git a/src/podcast/podcast.pri b/src/podcast/podcast.pri
index e96263fa..1e0f0673 100644
--- a/src/podcast/podcast.pri
+++ b/src/podcast/podcast.pri
@@ -13,13 +13,16 @@ SOURCES      += src/podcast/UBPodcastController.cpp \
 
 win32 {
 
-    SOURCES  += src/podcast/windowsmedia/UBWindowsMediaVideoEncoder.cpp \
-                src/podcast/windowsmedia/UBWindowsMediaFile.cpp \
-                src/podcast/windowsmedia/UBWaveRecorder.cpp
+    SOURCES  += src/podcast/ffmpeg/UBFFmpegVideoEncoder.cpp \
+                src/podcast/ffmpeg/UBMicrophoneInput.cpp
+
+    HEADERS  += src/podcast/ffmpeg/UBFFmpegVideoEncoder.h \
+                src/podcast/ffmpeg/UBMicrophoneInput.h
+
+    LIBS += -L$$PWD/../OpenBoard-ThirdParty/ffmpeg/lib/ -lavformat -lavcodec -lswscale  -lswresample -lavutil
 
-    HEADERS  += src/podcast/windowsmedia/UBWindowsMediaVideoEncoder.h \
-                src/podcast/windowsmedia/UBWindowsMediaFile.h \
-                src/podcast/windowsmedia/UBWaveRecorder.h
+    INCLUDEPATH += $$PWD/../OpenBoard-ThirdParty/ffmpeg/include
+    DEPENDPATH += $$PWD/../OpenBoard-ThirdParty/ffmpeg/include
 }
 
 macx {