Well, given the fact that after decades of Mathematica development, it still doesn't even properly support standard Windows displays, I won't get my hopes up, but here goes: Is there anything resembling an ETA for Mathematica at least kind of supporting high-resolution screens on Windows? Even just the half-broken support we have now for standard displays? All I can say, after just having switched to a new machine with a QHD screen, it most certainly does not support high-resolution screens under Windows (or Linux, for that matter) at all. In pithy terms, it flat-out looks like crap, with blurry fonts for both notebook and palette content.

Has anyone seen any signs of hope on that front?

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    $\begingroup$ I'm curious what you mean by the claim that it doesn't properly support standard Windows displays. $\endgroup$ – Itai Seggev Aug 7 '17 at 2:26
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    $\begingroup$ Mathematica has a hardcoded assumption of a fixed (logical) 72dpi font resolution. That happens to be correct for Apple machines, but for Windows that number should be 96dpi. Long story short, fonts are rendered by a factor of 72/96 too small on standard Windows machines. There's some workarounds for this problem, but this should correctly work out of the box. Hundreds of thousand of Windows applications get that one right; as far as I know Wolfram is the only one who hasn't been able, or willing, to figure this out. $\endgroup$ – Pirx Aug 7 '17 at 2:32
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    $\begingroup$ Going between MMA on my MacBook Pro and Microsoft Surface Laptop is jarring. I thought the DPI issue would be fixed long ago on the Windows side. $\endgroup$ – kale Aug 7 '17 at 2:40
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    $\begingroup$ @Szabolcs: On the other hand, yes, you are correct, there's still plenty of programs out there that do not correctly support high-resolution screens under Windows. That includes a good number of Microsoft-native, built-in applications that come with a brand-new install of Windows 10. That's a disgrace, absolutely, but "tu quoque" is not usually considered a valid defense... $\endgroup$ – Pirx Aug 7 '17 at 11:24
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    $\begingroup$ HiDPI support is being worked on. I am not prepared to give an ETA. If I had a magic wand, it would be today. I'm sorry I can't say anything more useful at the moment. $\endgroup$ – John Fultz Aug 8 '17 at 18:07

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