Clean up known issues

- Remove known issues for RDM < 2019.0
- Add solution for broken autoscaling

Author: uglide

docs/known-issues.md

@@ -1,28 +1,2 @@
-### Black screen instead of Welcome tab on Windows under VirtualBox
-Remove opengl32sw.dll and Copy [this dll](https://github.com/uglide/RedisDesktopManager/blob/5f99aa22aa84dc55b5c9858de28d68facd1c58b7/build/windows/installer/resources/rdp_fix/opengl32.dll) to RDM installation folder
-
-### Black screen instead of Welcome tab on Windows Remote Desktop
-You need to enable true color in RDP settings.
-
-In Remote Desktop Connection Manager, set Server Properties/Display Settings/Default Settings Groupt Properties/Remote Desktop Settings/Color Depth to 32
-
-### Black screen instead of Welcome tab on Linux
-RDM starting from 0.8.0+ requires working openGL driver. Run `redis-desktop-manager` from terminal and search for error:
-`libGL error: failed to load driver: XXX`
-
-Also you can easily verify OpenGL support by e.g. running the `glxgears` demo application.
-
-**Solution:** Reinstall your graphics driver
-
-### Application cannot start (0xc000007b). Click OK to close the application
-Download [`vcredist_x86.exe`](https://download.microsoft.com/download/9/3/F/93FCF1E7-E6A4-478B-96E7-D4B285925B00/vc_redist.x86.exe) and click `Repair`.
-
-### Graphical glitches on Ubuntu (RDM 0.8.0+)
-It's the well-known problem of Qt Quick components.
-
-### RDM crashed on startup (Windows & RDM 0.8.6+)
-RDM requires OpenGL 2.1 or higher to run. 
-
-What you can do:
-* On Windows PC/Laptop: Upgrade your graphics drivers
-* On Windows Virtual machine: Enable 3d acceleration 
+### Application looks corrupted on my 1080p screen on Linux (too small font and/or broken dialogs)
+Run RDM from terminal without Qt Autoscaling: `Exec=env QT_AUTO_SCREEN_SCALE_FACTOR=0 redis-desktop-manager.rdm`