Subject: Re: bug#42406: Mouse-wheel scrolling can be flickering

From: Eli Zaretskii <[email-masked]>
Date: Tue, 15 Dec 2020 21:45:55 +0200

> From: Konrad Podczeck <[email-masked]>
> Date: Tue, 15 Dec 2020 20:31:19 +0100
> Cc: Alan Third <[email-masked]>, [email-masked]
> 
> Performance does not degrade when only the two calls of wset_update_mode_line you mentioned are commented out. However, with just commenting out these two instances, I still have a scroll performance problem when scrolling by using the scroll-bars. Could you also identify the instance concerning this?

Please be more specific: how do you scroll with the scroll bars, and
what kind of performance problem you experience as result of that?