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While it's not as conveninent as desktop-wide fractional scaling, note that in particular Firefox has already had HiDPI support via the layout.css.devPixelsPerP

by y7 8y ago

While it's not as conveninent as desktop-wide fractional scaling, note that in particular Firefox has already had HiDPI support via the layout.css.devPixelsPerPx config variable, which you can set through about:config.

UI_at_80x24 8y ago
This tip saved me a lot of headache. I'm currently running KDEv5 and while I got 'most' of the scaling adjusted properly, this setting fixed the size of the tabs, and other annoyances I was experiencing on FireFox. Thank-you.
- y7 8y ago
  You're welcome! It also works in Thunderbird, if you're using that.