Here is the warnings I get in the command line.

```
user@ubuntu:~$ monero-wallet-gui
Warning: QT_DEVICE_PIXEL_RATIO is deprecated. Instead use:
   QT_AUTO_SCREEN_SCALE_FACTOR to enable platform plugin controlled per-screen factors.
   QT_SCREEN_SCALE_FACTORS to set per-screen DPThinkPadI.
   QT_SCALE_FACTOR to set the application global scale factor.
2021-01-31 00:13:07.876	W Qt:5.15.2 GUI:0.17.1.9-3ca5f10 | screen: 1920x1080 - dpi: 96 - ratio:1.24485
2021-01-31 00:13:10.006	W qrc:/qt-project.org/imports/QtQuick/Controls/ApplicationWindow.qml:259:9: QML ContentItem: Binding loop detected for property "implicitWidth"
Killed

```