void sddm hidpi

 sudo vi /etc/sddm.conf.d/kde_settings.conf

[General]
GreeterEnvironment=QT_SCREEN_SCALE_FACTORS=2,QT_FONT_DPI=192

sdl dev summary

•  rust
• sdl2
• old?
• sdl3
• gui
• microui
• hidpi support?
• nuklear
• discontinued?
• dearui
• no easy ui
• raylib
• raygui(+)
• sound(-)... beep  - hmm. we need safe AudioCallback support here
• zig
• sdl2
• sdl3
• raylib
• raygui(ok)
• sound(ok) - with callback