> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: RDS <rds1944@gmail.com>, 50462@debbugs.gnu.org
> Date: Wed, 08 Sep 2021 08:54:11 +0200
>
> > So it sounds like the faces lost their colors or something. When the
> > problem happens, what does "M-x list-faces-display RET" show for the
> > font-lock faces: do they appear in their normal colors?
>
> If this is with a terminal Emacs, could this be related to the face
> terminal bug you fixed the other day in Emacs 28?
Unlikely: AFAIU, that bug only appeared once we switched to storing
faces in a hash-table, and only when clone-frame was calling that
code.