I use dwm (the suckless tiling window manager, certainly “minimal”) on a variety of high DPI screens, and there’s no problem. Just set Xft.dpi in your .Xresourc

I use dwm (the suckless tiling window manager, certainly “minimal”) on a variety of high DPI screens, and there’s no problem. Just set Xft.dpi in your .Xresources file to the “real” screen DPI or to anything you want to scale as you wish.