Yesterday I’ve installed i3wm-gaps just for fun, knowing that last time I tried it on my Retina MacBook Pro ti was completely unusable due to the Retina display. This is changing today. Since both GTK+ 3 and QT 5 now have good HiDPI support, setting Xft.dpi: 192 into the .Xresources file makes sure all applications written using these two frameworks will scale properly on the display. You have to set the i3 font to exactly 2 times your desidered size, for example “Droid Sans 10” will be...
