Subject: bug#68006: 30.0.50; Image-mode speed

From: Eli Zaretskii <[email-masked]>
Date: Mon, 25 Dec 2023 21:30:50 +0200

> From: Manuel Giraud <[email-masked]>
> Cc: [email-masked]
> Date: Mon, 25 Dec 2023 19:59:10 +0100
> 
> About being sure to display the file on disk, maybe we could call
> 'image-flush' only if the file has changed since its display.  WDYT?

Provided that the check is reliable, I guess so.

In any case, I think we should be cautious and leave a knob to get
back the old behavior, in case there are some situations we don't
anticipate that need to flush the caches.