XFCE

Mate Desktop can do that right out of the box and features better UI/UX. Spare yourself the pain of XFCE.

1. HiDPI theme: http://opendesktop.org/content/show.php/Pupi+%28Xfce+High+DPI+%2B+Retina+Theme%29?content=165525

Firefox

  1. about:config:  layout.css.devPixelsPerPx 

  2. Adjust default zoom level

Thunderbird

  1. about:config:  layout.css.devPixelsPerPx 

HiDPI (zuletzt geändert am 2015-06-08 14:21:12 durch dslb-094-217-127-093)