$ qtdiag
below cmd output started 2020 Tue Oct 27 06:39:10 PM PDT
Qt 5.9.5 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 7.4.0) on "xcb" 
OS: Ubuntu 18.04.5 LTS [linux version 5.3.0-1020-gcp]

Architecture: x86_64; features: SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 RTM HLE

Environment:
  QT_ACCESSIBILITY="1"

Features: QT_NO_EXCEPTIONS

Library info:
  PrefixPath: /usr
  DocumentationPath: /usr/share/qt5/doc
  HeadersPath: /usr/include/x86_64-linux-gnu/qt5
  LibrariesPath: /usr/lib/x86_64-linux-gnu
  LibraryExecutablesPath: /usr/lib/x86_64-linux-gnu/qt5/libexec
  BinariesPath: /usr/lib/qt5/bin
  PluginsPath: /usr/lib/x86_64-linux-gnu/qt5/plugins
  ImportsPath: /usr/lib/x86_64-linux-gnu/qt5/imports
  Qml2ImportsPath: /usr/lib/x86_64-linux-gnu/qt5/qml
  ArchDataPath: /usr/lib/x86_64-linux-gnu/qt5
  DataPath: /usr/share/qt5
  TranslationsPath: /usr/share/qt5/translations
  ExamplesPath: /usr/lib/x86_64-linux-gnu/qt5/examples
  TestsPath: /usr/tests
  SettingsPath: /etc/xdg

Standard paths [*...* denote writable entry]:
  DesktopLocation: "Desktop" */home/dstromberg/Desktop*
  DocumentsLocation: "Documents" */home/dstromberg/Documents*
  FontsLocation: "Fonts" */home/dstromberg/.local/share/fonts* /home/dstromberg/.fonts
  ApplicationsLocation: "Applications" */home/dstromberg/.local/share/applications* /usr/local/share/applications /usr/share/applications /var/lib/snapd/desktop/applications
  MusicLocation: "Music" */home/dstromberg/Music*
  MoviesLocation: "Movies" */home/dstromberg/Videos*
  PicturesLocation: "Pictures" */home/dstromberg/Pictures*
  TempLocation: "Temporary Directory" */tmp*
  HomeLocation: "Home" */home/dstromberg*
  AppLocalDataLocation: "Application Data" */home/dstromberg/.local/share/QtProject/qtdiag* /usr/local/share/QtProject/qtdiag /usr/share/QtProject/qtdiag /var/lib/snapd/desktop/QtProject/qtdiag
  CacheLocation: "Cache" */home/dstromberg/.cache/QtProject/qtdiag*
  GenericDataLocation: "Shared Data" */home/dstromberg/.local/share* /usr/local/share /usr/share /var/lib/snapd/desktop
  RuntimeLocation: "Runtime" */run/user/1002*
  ConfigLocation: "Configuration" */home/dstromberg/.config* /etc/xdg
  DownloadLocation: "Download" */home/dstromberg/Downloads*
  GenericCacheLocation: "Shared Cache" */home/dstromberg/.cache*
  GenericConfigLocation: "Shared Configuration" */home/dstromberg/.config* /etc/xdg
  AppDataLocation: "Application Data" */home/dstromberg/.local/share/QtProject/qtdiag* /usr/local/share/QtProject/qtdiag /usr/share/QtProject/qtdiag /var/lib/snapd/desktop/QtProject/qtdiag
  AppConfigLocation: "Application Configuration" */home/dstromberg/.config/QtProject/qtdiag* /etc/xdg/QtProject/qtdiag

File selectors (increasing order of precedence):
  C unix linux ubuntu

Network:
  Using "OpenSSL 1.1.1  11 Sep 2018", version: 0x1010100f

Platform capabilities: ThreadedPixmaps OpenGL WindowMasks MultipleWindows ForeignWindows NonFullScreenWindows NativeWidgets WindowManagement SyncState RasterGLSurface SwitchableWidgetComposition

Style hints:
  mouseDoubleClickInterval: 400
  mousePressAndHoldInterval: 800
  startDragDistance: 0
  startDragTime: 500
  startDragVelocity: 0
  keyboardInputInterval: 400
  keyboardAutoRepeatRate: 30
  cursorFlashTime: 1000
  showIsFullScreen: 0
  showIsMaximized: 0
  passwordMaskDelay: 0
  passwordMaskCharacter: U+25CF
  fontSmoothingGamma: 1.7
  useRtlExtensions: 0
  setFocusOnTouchRelease: 0
  tabFocusBehavior: Qt::TabFocusBehavior(TabFocusAllControls) 
  singleClickActivation: 0

Additional style hints (QPlatformIntegration):
  ReplayMousePressOutsidePopup: 0

Theme:
  Platforms requested : unknown,generic
            available : gtk3
  Styles requested    : Fusion,Windows
         available    : Windows,Fusion
  System font         : "Sans Serif" 9

Fonts:
  General font : "Sans Serif" 9
  Fixed font   : "monospace" 9
  Title font   : "DejaVu Sans" 12
  Smallest font: "DejaVu Sans" 12

Palette:
  WindowText: #ff000000
  Button: #ffefebe7
  Light: #ffffffff
  Midlight: #ffcbc7c4
  Dark: #ff9f9d9a
  Mid: #ffb8b5b2
  Text: #ff000000
  BrightText: #ffffffff
  ButtonText: #ff000000
  Base: #ffffffff
  Window: #ffefebe7
  Shadow: #ff767472
  Highlight: #ff308cc6
  HighlightedText: #ffffffff
  Link: #ff0000ff
  LinkVisited: #ffff00ff
  AlternateBase: #fff7f5f3
  NoRole: #ff000000
  ToolTipBase: #ffffffdc
  ToolTipText: #ff000000

Screens: 1, High DPI scaling: inactive
# 0 "VNC-0" Depth: 24 Primary: yes
  Manufacturer: 
  Model: 
  Serial number: 
  Geometry: 1920x1042+0+0 Available: 1920x1004+0+0
  Physical size: 0x0 mm  Refresh: 60 Hz Power state: 0
  Physical DPI: INF,INF Logical DPI: INF,INF Subpixel_None
  DevicePixelRatio: 1 Pixel density: 1
  Primary orientation: 2 Orientation: 2 Native orientation: 0 OrientationUpdateMask: 0

LibGL Vendor: VMware, Inc.
Renderer: llvmpipe (LLVM 10.0.0, 256 bits)
Version: 3.1 Mesa 20.0.8
Shading language: 1.40
Format: Version: 3.1 Profile: 0 Swap behavior: 0 Buffer size (RGB): 8,8,8