Subject: bug#42304: 27.0.50; Emacs does not adjust to global font scaling anymore

From: Eli Zaretskii <[email-masked]>
Date: Wed, 18 May 2022 14:30:21 +0300

> Cc: [email-masked]
> Date: Wed, 18 May 2022 14:40:32 +0800
> From:  Po Lu via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <[email-masked]>
> 
> So it would be helpful to see exactly what caused Emacs to dynamically
> adjust the default font size before Harfbuzz shaping was introduced, and
> why it doesn't work afterwards.

I'm surprised that HarfBuzz has any effect whatsoever on selection of
fonts.