How do you deal with high dpi on Linux?

[ramblinwreck]

I haven’t experienced it myself, but I think your issue is along the same lines as the one below:

[SOLVED]Hidpi issues with apps on xfce, (Use Cinnamon)

I used xfce4 whilst on Arch and had a really hard time trying to get the scaling of apps to scale correctly. I found some stuff out on my own and was corrected about some stuff by people on the forum. I thought it was all fixed and sorted but sadly I was mistaken. I gave up and have currently installed gnome as that’s the only DE I think works out the box. I realise I bought the wrong laptop for Linux (well for a beginner user). I would much rather be using xfce than gnome but if I have to I’ll …

There’s some good tips and tweaks in that thread, but in skimming it, the OP ended up just using cinnamon DE it looks like. Hopefully this is of some help.