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[Bug 2017573] Re: Font hinting broken on Plasma 23.04


@mrvanes: You missed one aspect of my observations for the Ubuntu font.

* On Ubuntu 22.04 font hinting works to start with. If I upgrade to the
fonts-ubuntu 0.863-0ubuntu3 package there, the rendering happens
irrespective of the font hinting value.

* On Ubuntu 23.04 font hinting is broken to start with. If I downgrade
to the fonts-ubuntu 0.83-6ubuntu1 package there, the rendering honors
the font hinting value.

So the regression, at least for this particular font, seems to be
unrelated to other packages.

@Dmitriy: The above indicates that the upgrade of fontconfig is not part
of the picture.

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  Font hinting broken on Plasma 23.04

Status in fonts-ubuntu package in Ubuntu:
Status in plasma-desktop 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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