Назначил чтение+запись для всех (было владелец чтение+запись, группа и остальные только чтение) , то же самое "настройки не сохраняются, при попытке сделать скрин-чёрный экран".

Дебиан тест вейланд, перестала работать , настройки не сохраняются, при попытке сделать скрин-чёрный экран http://joxi.ru/12MEaJQc4X14P2 зависимости все стоят

$ joxi
QML debugging is enabled. Only use this in a safe environment.
QSystemTrayIcon::setVisible: No Icon set
libpng warning: iCCP: known incorrect sRGB profile
content-type missing in HTTP POST, defaulting to application/x-www-form-urlencoded. Use QNetworkRequest::setHeader() to fix this problem.
content-type missing in HTTP POST, defaulting to application/x-www-form-urlencoded. Use QNetworkRequest::setHeader() to fix this problem.
libpng warning: iCCP: known incorrect sRGB profile
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
qrc:/qml/qml/Components/ToolBar.qml:26:35: Unable to assign [undefined] to bool
QObject::connect: No such slot Core::ponoramUpload(QPixmap)
libpng warning: iCCP: known incorrect sRGB profile
QPixmap::scaled: Pixmap is a null pixmap
QPixmap::setMask() mask size differs from pixmap size
QImage::pixel: coordinate (35,35) out of range
QPainter::begin: Paint device returned engine == 0, type: 3
content-type missing in HTTP POST, defaulting to application/x-www-form-urlencoded. Use QNetworkRequest::setHeader() to fix this problem.
QPixmap::scaled: Pixmap is a null pixmap
QPixmap::setMask() mask size differs from pixmap size
QImage::pixel: coordinate (35,35) out of range
content-type missing in HTTP POST, defaulting to application/x-www-form-urlencoded. Use QNetworkRequest::setHeader() to fix this problem.
QSqlQuery::value: not positioned on a valid record
QSqlQuery::value: not positioned on a valid record
QIODevice::read (QFile, ":/certificate/joxi.pem"): device not open
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
QPixmap::setMask() mask size differs from pixmap size
QImage::pixel: coordinate (35,35) out of range
qrc:/qml/qml/Components/ToolBar.qml:26:35: Unable to assign [undefined] to bool
qrc:/qml/qml/Components/ToolBar.qml:26:35: Unable to assign [undefined] to bool

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
qrc:/qml/qml/Components/ToolBar.qml:26:35: Unable to assign [undefined] to bool
QObject::connect: No such slot Core::ponoramUpload(QPixmap)
libpng warning: iCCP: known incorrect sRGB profile
QPixmap::scaled: Pixmap is a null pixmap
QPixmap::setMask() mask size differs from pixmap size
QImage::pixel: coordinate (35,35) out of range
content-type missing in HTTP POST, defaulting to application/x-www-form-urlencoded. Use QNetworkRequest::setHeader() to fix this problem.
content-type missing in HTTP POST, defaulting to application/x-www-form-urlencoded. Use QNetworkRequest::setHeader() to fix this problem.
QPainter::begin: Paint device returned engine == 0, type: 3
QPixmap::scaled: Pixmap is a null pixmap
QPixmap::setMask() mask size differs from pixmap size
QImage::pixel: coordinate (35,35) out of range
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++

qrc:/qml/qml/Components/ToolBar.qml:26:35: Unable to assign [undefined] to bool
QIODevice::read (QFile, ":/certificate/joxi.pem"): device not open
QSqlQuery::value: not positioned on a valid record
QSqlQuery::value: not positioned on a valid record
QIODevice::read (QFile, ":/certificate/joxi.pem"): device not open
QSqlQuery::value: not positioned on a valid record
QSqlQuery::value: not positioned on a valid record

(joxi:5085): GLib-GObject-WARNING **: g_object_get_is_valid_property: object class 'GtkSettings' has no property named 'gtk-long-press-time'