Thanks for being picky.
I did a more thorough test on Ubuntu (with GNOME). I focused on the
Ubuntu font, disabled antialiasing, tested with hining "none" respective
"full", and studied the rendering of a particular string in GNOME's
Settings menu.
Conclusion: fonts-ubuntu 0.863 — unlike fonts-ubuntu 0.83 — ignores the
font hinting value. That's true both in the 23.04 and the 22.04
environment (with different versions of fontconfig). So, as regards the
Ubuntu font, the problem seems to be with the font itself.
And yes, the problem is apparently not Kubuntu specific.
Now, the Ubuntu font underwent a big redesign in the 23.04 development
cycle. If you look at the attached picture, you see that the new fonts-
ubuntu (which ignores the fonts hinting) looks rather similar to the old
fonts-ubuntu with full hinting. I can't help wondering if hinting
possibly is built-in in the new fonts-ubuntu, and that it has
intentionally been detached from the configured hinting value. If not,
we have identified a fonts-ubuntu bug. And that would be a regression.
As regards other fonts but Ubuntu, where you have found that font
hinting is ignored when rendering: Have you confirmed that font hinting
was respected in e.g. Kubuntu 22.04 for those fonts? (Asking because I
have not yet looked closer at any other fonts myself.)
** Also affects: fonts-ubuntu (Ubuntu)
Importance: Undecided
Status: New
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Bugs, which is subscribed to plasma-desktop in Ubuntu.
https://bugs.launchpad.net/bugs/2017573
Title:
Font hinting broken on Plasma 23.04
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/fonts-ubuntu/+bug/2017573/+subscriptions
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