Re: Flicker on MS Windows

[Eli Zaretskii]

> From: Óscar Fuentes <ofv@wanadoo.es>
> Date: Sun, 06 Mar 2022 18:10:14 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> Emacs 27 & 28 are annoyingly flickering here as well (Windows 7 and up,
> >> dunno about XP) compared to the same configuration under Lucid.
> >
> > Does the Lucid build have double-buffering enabled?
> 
> Now that you mention that, I seem to recall something about double
> buffering that greatly reduced Lucid's flickering on the past.
> 
> How can I check that double buffering is enabled?

It's in system-configuration-features: if XDBE is there, the build is
with double-buffering.

NEWS.26 tells you how to disable it, if you want to see its effect.