$ ./MuseScoreNightly-latest-4.1.1-x86_64.AppImage 
/lib/x86_64-linux-gnu/libjack.so.0
/lib/x86_64-linux-gnu/libnss3.so

(mscore4portablenightly:503724): Gtk-WARNING **: 14:39:22.302: Theme parsing error: gtk.css:1649:16: '-gtk-icon-size' is not a valid property name

(mscore4portablenightly:503724): Gtk-WARNING **: 14:39:22.302: Theme parsing error: gtk.css:1652:16: '-gtk-icon-size' is not a valid property name
14:39:22.378 | INFO  | main_thread | GlobalModule | onPreInit: log path: ~/.local/share/MuseScore/MuseScore4Development/logs/MuseScore_230716_143922.log
14:39:22.378 | INFO  | main_thread | GlobalModule | onPreInit: === Started MuseScore 4.1.1-dev, build number 231970502 ===
14:39:22.389 | ERROR | main_thread | LanguagesService | setCurrentLanguage: Error loading translator "/tmp/.mount_MuseSchQL96h/share/mscore4portablenightly-4.1//locale/qt_fr.qm" 
14:39:22.400 | WARN  | main_thread | IpcSocket  | connect: failed connect to server
14:39:22.400 | WARN  | main_thread | IpcSocket  | connect: failed connect to server
14:39:22.400 | INFO  | main_thread | IpcSocket  | connect: success connected to ipc server
14:39:22.401 | INFO  | 139894223517376 | IpcServer  | listen: id: "f86d64808cbd43598bc9da0f380deaaa" 
14:39:22.479 | INFO  | main_thread | DiagnosticsModule | onInit: success start crash handler
ALSA lib pcm_dmix.c:999:(snd_pcm_dmix_open) unable to open slave
14:39:22.495 | ERROR | main_thread | AudioModule | setupAudioDriver: audio output open failed
14:39:22.495 | ERROR | main_thread | MuseSamplerLibHandler | MuseSamplerLibHandler: Unable to open MuseSampler library, path: ~/.local/share/MuseSampler/lib/libMuseSamplerCoreLib.so
14:39:22.495 | ERROR | main_thread | MuseSamplerResolver | checkLibrary: Incompatible MuseSampler library; ignoring
14:39:22.498 | ERROR | main_thread | MuseSamplerLibHandler | MuseSamplerLibHandler: Unable to open MuseSampler library, path: libMuseSamplerCoreLib.so
14:39:22.499 | ERROR | main_thread | MuseSamplerResolver | checkLibrary: Incompatible MuseSampler library; ignoring
14:39:22.500 | WARN  | main_thread | Qt         | QIODevice::read (QFile, "~/.local/share/MuseScore/MuseScore4Development/shortcuts.xml"): device not open
14:39:22.500 | WARN  | main_thread | Qt         | QIODevice::read (QFile, "~/.local/share/MuseScore/MuseScore4Development/midi_mappings.xml"): device not open
14:39:22.531 | WARN  | main_thread | AbstractCloudService | readTokens: Could not find the tokens file: ~/.local/share/MuseScore/MuseScore4Development/musescorecom_cred.dat
14:39:22.531 | WARN  | main_thread | AbstractCloudService | readTokens: Could not find the tokens file: ~/.local/share/MuseScore/MuseScore4Development/audiocom_cred.dat
14:39:22.909 | ERROR | main_thread | PluginsConfiguration | updatePluginsConfiguration: [401] le fichier n'existe pas
14:39:23.776 | ERROR | main_thread | App        | run: error: qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"

14:39:23.776 | WARN  | main_thread | Qt         | qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"
14:39:23.777 | ERROR | main_thread | App        | run: error: qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"

14:39:23.777 | WARN  | main_thread | Qt         | qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"
14:39:23.777 | ERROR | main_thread | App        | run: error: qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"

14:39:23.777 | WARN  | main_thread | Qt         | qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"
14:39:23.778 | ERROR | main_thread | App        | run: error: qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"

14:39:23.778 | WARN  | main_thread | Qt         | qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"
14:39:23.779 | ERROR | main_thread | App        | run: error: qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"

14:39:23.779 | WARN  | main_thread | Qt         | qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"
14:39:23.780 | ERROR | main_thread | App        | run: error: qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"

14:39:23.780 | WARN  | main_thread | Qt         | qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"
14:39:23.780 | ERROR | main_thread | App        | run: error: qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"

14:39:23.780 | WARN  | main_thread | Qt         | qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"
14:39:23.781 | ERROR | main_thread | App        | run: error: qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"

14:39:23.781 | WARN  | main_thread | Qt         | qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"
14:39:23.781 | ERROR | main_thread | App        | run: error: qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"

14:39:23.781 | WARN  | main_thread | Qt         | qrc:/qml/MuseScore/UiComponents/FlatButton.qml:174:5: QML Loader: Binding loop detected for property "itemImplicitWidth"
14:39:26.439 | ERROR | main_thread | UpdateScenario | doCheckForUpdate: Unable to check for update, error: [1701]