Starting with mate-desktop-environment 1.20 MATE desktop environment has true HiDPI support. HiDPI is be supported by default in Ubuntu MATE 18.04 and later. Every aspect of Ubuntu MATE 18.04, its themes, its applications, its icons and its toolkit assets have been updated to take advantage of HiDPI.
Xfce4 4.14 has true HiDPI support in Ubuntu 19.10 and later.
Tested on (X)ubuntu 18.04 and i believe that i was able to replicate virtual super resolution successfully. Which should be solution for HiDPI as well using something like --scale 0.5x0.5.
Starting with mate-desktop-environment 1.20 MATE desktop environment has true HiDPI support. HiDPI is be supported by default in Ubuntu MATE 18.04 and later. Every aspect of Ubuntu MATE 18.04, its themes, its applications, its icons and its toolkit assets have been updated to take advantage of HiDPI.
Xfce4 4.14 has true HiDPI support in Ubuntu 19.10 and later.
Consider my solution using xRandR.
Tested on (X)ubuntu 18.04 and i believe that i was able to replicate virtual super resolution successfully. Which should be solution for HiDPI as well using something like
--scale 0.5x0.5.(☞ﾟヮﾟ)☞