Eli Zaretskii <eliz@gnu.org> writes:

>> From: Manuel Giraud <manuel@ledu-giraud.fr>
>> Cc: 68006@debbugs.gnu.org
>> Date: Fri, 29 Dec 2023 12:11:44 +0100
>> 
>> What about this new patch?  It works for me as intended but might need
>> better names and better docs.  Thanks.
>> 
>> +(defcustom image-mode-eager-cache-flush t
>> +  "Non-nil means flush image from cache eagerly.
>> +When set to nil, be aware that the image cache could grow fast
>> +but an image previously displayed will show faster."
>
> This doc string should explain the effects better, in terms of
> user-facing behavior, not in terms of technical aspects of the code.

And here is a new version of the patch.  Maybe, we need a NEWS entry for
this too.