hm... I tried it in Terminal.app as well and it flickers less, likely
because it uses 256 colors, whereas in alacritty or iTerm2, I use 24 bit
colors.

I tried to record a video of the behavior:
https://drive.google.com/file/d/1nMf_3MxRk2cTdgF3tFmzAZoxcy3vQghc/view?usp=sharing

On Fri, Aug 26, 2022 at 10:41 PM Gerd Möllmann <gerd.moellmann@gmail.com>
wrote:

> Gerd Möllmann <gerd.moellmann@gmail.com> writes:
>
> > I tried your recipe here with emacs -Q (Emacs 28.1 from Homebrew) in a
> > maximaized Terminal.app window, with a font as tiny as I could get (with
> > Command +/-).  I could not reproduce the flickering.
> >
> > Does this happen for you with emacs -Q in Terminal?
>
> BTW. this was
>
> GNU Emacs 28.1 (build 1, aarch64-apple-darwin21.3.0) of 2022-04-30
>
> and I'm running macOS 12.5.1.
>
> Maybe someone else having access to maxOS 11 can reproduce this?
>


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