diff --git a/.gitlab-ci-files/job-linux-desktop-debian9.yml b/.gitlab-ci-files/job-linux-desktop-debian9.yml
index 35f7e2d75..663f15a8b 100644
--- a/.gitlab-ci-files/job-linux-desktop-debian9.yml
+++ b/.gitlab-ci-files/job-linux-desktop-debian9.yml
@@ -71,7 +71,7 @@ job-debian9-ninja-clang-novideo:
     CMAKE_OPTIONS: -DENABLE_VIDEO=NO -DENABLE_PQCRYPTO=OFF
   extends: job-debian9-ninja-clang
 
-job-debian9-makefile-clang:
+job-debian9-makefile-gcc:
   tags: [ "docker-debian9" ]
   image: gitlab.linphone.org:4567/bc/public/linphone-desktop/bc-dev-debian9-appimage:$DEBIAN_9_QT_IMAGE_VERSION
   only:
@@ -81,8 +81,8 @@ job-debian9-makefile-clang:
   variables:
     CMAKE_OPTIONS: -DLINPHONE_BUILDER_SIGNING_IDENTITY=$GPG_SIGNING_KEYID -DENABLE_G729=ON -DENABLE_PQCRYPTO=ON
     CMAKE_GENERATOR: Unix Makefiles
-    CC: clang
-    CXX: clang++
+    CC: gcc
+    CXX: g++
     ADDITIONAL_BUILD_OPTIONS: -j$MAKEFILE_JOBS
     APPIMAGETOOL_SIGN_PASSPHRASE: $GPG_SIGNING_PASS
   script:
@@ -109,7 +109,7 @@ job-debian9-makefile-clang:
 # Package - Nightly
 #################################################
 
-job-debian9-makefile-clang-package:
+job-debian9-makefile-gcc-package:
   stage: package
   tags: [ "docker-test-liblinphone" ]
   image: gitlab.linphone.org:4567/bc/public/linphone-desktop/bc-dev-debian9-appimage:$DEBIAN_9_QT_IMAGE_VERSION
@@ -122,8 +122,8 @@ job-debian9-makefile-clang-package:
   variables:
     CMAKE_OPTIONS: -DENABLE_APP_PACKAGING=YES -DLINPHONE_BUILDER_SIGNING_IDENTITY=$GPG_SIGNING_KEYID -DENABLE_G729=ON -DLINPHONE_SDK_MAKE_RELEASE_FILE_URL=$MAKE_RELEASE_FILE_URL/$LINUX_PLATFORM/$APP_FOLDER -DENABLE_PQCRYPTO=ON
     CMAKE_GENERATOR: Unix Makefiles
-    CC: clang
-    CXX: clang++
+    CC: gcc
+    CXX: g++
     APPIMAGETOOL_SIGN_PASSPHRASE: $GPG_SIGNING_PASS
   extends: .job-linux-desktop
   script:
@@ -153,11 +153,11 @@ job-debian9-makefile-clang-package:
 # Deploy - Nightly
 #################################################
 
-job-debian9-makefile-clang-deploy:
+job-debian9-makefile-gcc-deploy:
   stage: deploy
   tags: [ "deploy" ]
   needs:
-    - job-debian9-makefile-clang-package
+    - job-debian9-makefile-gcc-package
   only:
      variables:
        - $NIGHTLY_MASTER
@@ -168,11 +168,11 @@ job-debian9-makefile-clang-deploy:
     - rsync -rlv build/OUTPUT/RELEASE $MAIN_DEPLOY_SERVER:$UPLOAD_ROOT_PATH/$LINUX_PLATFORM
 
 
-job-debian9-makefile-clang-plugins-deploy:
+job-debian9-makefile-gcc-plugins-deploy:
   stage: deploy
   tags: [ "deploy" ]
   needs:
-    - job-debian9-makefile-clang
+    - job-debian9-makefile-gcc
   only:
      variables:
        - $DEPLOY_PLUGINS
diff --git a/.gitlab-ci-files/job-linux-prepare.yml b/.gitlab-ci-files/job-linux-prepare.yml
index 932b0ff8d..b71b72ab3 100644
--- a/.gitlab-ci-files/job-linux-prepare.yml
+++ b/.gitlab-ci-files/job-linux-prepare.yml
@@ -26,6 +26,8 @@
     - export CCACHE_BASEDIR=${PWD}
     - export CCACHE_DIR=${PWD}/ccache
     - ccache -s
+    - find $CI_PROJECT_DIR -name '.git' -exec bash -c 'git config --global --add safe.directory ${0%/.git}' {} \;
+    - git describe --debug || true
 
   after_script:
     - if ! [ -z ${TUNNEL_USER_KEY+x} ]; then rm -rf ~/.ssh || true; fi
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 814af29b4..ec2fadd84 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -23,7 +23,7 @@ variables:
 # Docker image version
   ARCHLINUX_IMAGE_VERSION: latestupdated
   CENTOS_7_QT_IMAGE_VERSION: 20211012_add_qtwebview
-  DEBIAN_9_QT_IMAGE_VERSION: 20230222_qtcom
+  DEBIAN_9_QT_IMAGE_VERSION: 20230314_qtopen
   DEBIAN_10_IMAGE_VERSION: 20210217_python3
   UBUNTU_ROLLING_IMAGE_VERSION: 20211012_add_qtwebview
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ddea9161..3c6d8ff38 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - File viewer in chats (Image/Animated Image/Video/Texts) with the option to export the file.
 - Accept/decline CLI commands.
 
-## 5.0.13 - 2023-03-13
+## 5.0.14 - 2023-03-16
+
+## Fixed
+- Downgrade Qt back to 5.15.2 because of Qt commercial licence that break other GPL licences.
+
+## 5.0.13 - 2023-03-13 - postprone to 5.0.14
 
 ### Fixed
 - Conference layout refreshing on creation.
@@ -20,7 +25,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Show display name for local accounts.
 - Update SDK to 5.2.32
 
-## 5.0.12 - 2023-03-01
+## 5.0.12 - 2023-03-01 - postprone to 5.0.14
 
 ### Fixed
 - Some case of unwanted settings folders creation.
@@ -28,7 +33,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Unusable Contact sheet.
 - Update SDK to 5.2.28 (cleanup orphan NAT sections and race condition on MSTicker threads).
 
-## 5.0.11 - 2023-02-24
+## 5.0.11 - 2023-02-24 - postprone to 5.0.14
 
 ### Fixed
 - Crash on ending call in conference.
diff --git a/docker-files/bc-dev-debian9-appimage b/docker-files/bc-dev-debian9-appimage
index cd11d839e..3687f124c 100644
--- a/docker-files/bc-dev-debian9-appimage
+++ b/docker-files/bc-dev-debian9-appimage
@@ -1,9 +1,10 @@
-FROM gitlab.linphone.org:4567/bc/public/linphone-sdk/bc-dev-debian9:20210421_python3_fix_pip
+FROM gitlab.linphone.org:4567/bc/public/linphone-sdk/bc-dev-debian9:20230302_newer_clang_cpp17
 
 ARG QT_EMAIL
 ARG QT_PASSWORD
-ARG QT_VERSION=5.15.12
+ARG QT_VERSION=5.15.2
 ARG QT_VERSION_MODULE=qt.qt5.51512
+ARG QT_MODULES=qtwebengine qtnetworkauth
 
 MAINTAINER Peio Rigaux <peio.rigaux@belledonne-communications.com>
 
@@ -29,14 +30,28 @@ RUN sudo apt-get install -y wget fuse libfuse2 gnupg2
 RUN sudo sed -i '/^mozilla\/DST_Root_CA_X3/s/^/!/' /etc/ca-certificates.conf
 RUN sudo update-ca-certificates -f
 
+
+###########				QT
 # Add Qt and download
-ADD https://download.qt.io/development_releases/online_installers/4.4/qt-unified-linux-x64-4.4.0-beta-online.run /home/bc/qt-unified-linux-x64-4.4.0-beta-online.run
-RUN sudo chmod +x /home/bc/qt-unified-linux-x64-4.4.0-beta-online.run
-RUN sudo /home/bc/qt-unified-linux-x64-4.4.0-beta-online.run install $QT_VERSION_MODULE $QT_VERSION_MODULE.qtpdf $QT_VERSION_MODULE.qtwebengine $QT_VERSION_MODULE.qtnetworkauth --email $QT_EMAIL --pw $QT_PASSWORD --accept-licenses --accept-obligations --auto-answer telemetry-question=No,AssociateCommonFiletypes=Yes --confirm-command --no-default-installations
+#Maintenance tools
+#ADD https://download.qt.io/development_releases/online_installers/4.4/qt-unified-linux-x64-4.4.0-beta-online.run /home/bc/qt-unified-linux-x64-4.4.0-beta-online.run
+#RUN sudo chmod +x /home/bc/qt-unified-linux-x64-4.4.0-beta-online.run
+#RUN sudo /home/bc/qt-unified-linux-x64-4.4.0-beta-online.run install $QT_VERSION_MODULE $QT_VERSION_MODULE.qtpdf $QT_VERSION_MODULE.qtwebengine $QT_VERSION_MODULE.qtnetworkauth --email $QT_EMAIL --pw $QT_PASSWORD --accept-licenses --accept-obligations --auto-answer telemetry-question=No,AssociateCommonFiletypes=Yes --confirm-command --no-default-installations
 
 USER bc
 WORKDIR /home/bc
 
+#	Manual
+RUN sudo pip3 install aqtinstall
+RUN sudo python3 -m aqt install $QT_VERSION linux desktop -O /opt/Qt -m $QT_MODULES
+##	QtCore need libxcb-util.so.1 that need xorg-macros that is in xutils-dev
+RUN sudo apt-get install -y xutils-dev
+RUN git clone --recursive git://anongit.freedesktop.org/git/xcb/util
+## The copy is needed because the appimage doesn't get the dependency in /usr/local/lib (why is unknown)
+RUN cd util && ./autogen.sh && make && sudo make install && sudo cp /usr/local/lib/libxcb-util.so.1 /opt/Qt/$QT_VERSION/gcc_64/lib/
+RUN sudo chown -R bc:bc /opt/Qt/
+
+
 ENV Qt5_DIR=/opt/Qt/$QT_VERSION/gcc_64/lib/cmake
 ENV PATH=/opt/Qt/$QT_VERSION/gcc_64/bin:$PATH
 ENV PS1='\[\e[34m\]\u@bc-dev-centos7>\[\e[0m\] '