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[Bug 2017573] Re: Font hinting broken on 23.04


Ok, I solved the problem. There were many coincidences playing a role in
this report.

For starters the (real) regression in fonts-ubuntu triggered my
attention, but unlucky testing against Liberation Sans revealed a change
in hinting between fonts-liberation and fonts-liberation2, which wasn't
installed on my reference system. fonts-liberation2 lacks proper hinting
(which showed on my 23.04 system) but fonts-liberation is properly
hinted (on the 22.04 machine). Once installed, fonts-liberation2
overrides all Liberation fonts, except for Liberation Sans Narrow.

Removing fonts-liberation2 and downgrading fonts-ubuntu to fonts-
ubuntu_0.83-6ubuntu1_all.deb seems to solve all the reported problems.

My apologies for the noise.

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  Font hinting broken on 23.04

Status in fonts-ubuntu package in Ubuntu:

Bug description:
  Just upgraded my laptops to Kubuntu 23.04 Lunar Lobster and hinting
  for all non-commercial fonts seems broken. I used to have decent if
  not perfect hinting on Ubuntu and Ubuntu Mono font, but now the only
  fonts that still hint correctly are Microsoft's Verdana and Tahoma
  etc. Not sure whether the devide is exactly along this line, but it
  stands out.

  Tried regenerating font cache (fc-cache -rv) but that didn't help.

  Operating System: Kubuntu 23.04
  KDE Plasma Version: 5.27.4
  KDE Frameworks Version: 5.104.0
  Qt Version: 5.15.8
  Kernel Version: 6.3.0 (64-bit)
  Graphics Platform: Wayland
  Processors: 8 × Intel® Core™ i7-10510U CPU @ 1.80GHz
  Memory: 31.1 GiB of RAM
  Graphics Processor: Mesa Intel® UHD Graphics
  Manufacturer: Notebook
  Product Name: N141CU
  System Version: Not Applicable

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