GNOME 3 on Debian Jessie works decently well with high-DPI screens - I'm using it now on the 3K 2015 version of the XPS 13. Some controls won't scale up (Java

GNOME 3 on Debian Jessie works decently well with high-DPI screens - I'm using it now on the 3K 2015 version of the XPS 13. Some controls won't scale up (Java Swing is particularly miniscule), otherwise it just works compared to most other desktop environments I tried last year.