https://bugs.documentfoundation.org/show_bug.cgi?id=158366

--- Comment #34 from Camaleón <noela...@gmail.com> ---
Just adding more information on this.

To recap, after digging a bit more, the current situation is:

- Computer 1. Debian testing / Cairo 1.18 / LibreOffice 24.2 (bad font render)
/ LibreOffice 7.6 (bad font render)
- Computer 2. Debian stable / Cairo 1.16 / LibreOffice 24.2 (good font render)
/ LibreOffice 7.6 (good font render)

So, IIRC, in Computer 1 _there was a time_ LO was rendering fonts fine, until I
installed 24.2 (devel) where this issue with fonts hinting started. 

But in the meantime, Computer 1 it also upgraded the Cairo version (from 1.16
to 1.18) as logs shows:

testing@netbook:~/Escritorio$ zgrep libcairo2  /var/log/dpkg.log.* | grep -i
upgrade
/var/log/dpkg.log.1:2024-01-13 09:19:31 upgrade libcairo2:amd64 1.18.0-1
1.18.0-1+b1
/var/log/dpkg.log.5.gz:2023-09-16 09:44:42 upgrade libcairo2:amd64 1.16.0-7
1.17.8-3
/var/log/dpkg.log.5.gz:2023-09-30 11:41:57 upgrade libcairo2:amd64 1.17.8-3
1.18.0-1

Et voilà, it was _not just LO_ what was updated but also Cairo library (I must
sorry because I was not aware of this) which seems to trigger the LO font
rendering problem when anti aliasing is disabled system wide.

So the question is now:

- What kind of change has been implemented in Cairo that makes LO render fonts
so badly when anti-aliasing is turned off? And how can it be avoided and return
LO its fine and crispy font strokes?

- Why other programs (eg., XFCE itself, Firefox, Thunderbird...) seem
unaffected to the Cairo change?

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