bug#24581: 25.1 crash in ns_scroll_run after closing a frame

[Stefan Kangas <stefan@marxist.se>]

Alan Third <alan@idiocy.org> writes:

>> > What version of Emacs is Aquamacs based on? Is it still Emacs 25?
>>
>> Yes. The current version of Aquamacs (3.5) is based on Emacs 25.3.50.1.
>>
>> My current plan (if you’re interested ) is to try fixing several of the
>> known bugs that are getting in people’s way, ship that as 3.6, and then
>> roll the code base forward to catch up with the current Emacs release.
>>
>> I’ll probably do that by merging onto the earlier releases so that it’s
>> easier to understand the changes at each point, and along the way I
>> hope to decrease the amount of Aquamacs-specific code where we can.
>
> I was just cleaning up my inbox and found this and remembered I wanted
> to say something.
>
> It may not be fully worth your while trying to merge into later Emacs
> 26 and Emacs 27 releases because we changed the way it draws to the
> screen to try and work around some deprecations in macOS 10.14.
>
> Most of those changes have been undone in the master branch and
> another approach used which is more like how drawing was done in Emacs
> 25.
>
> It may not actually matter to you, as I suspect you're probably not
> changing that much about how things are drawn, but I don't want you to
> waste your time trying to get things working with the Emacs 26/27 drawing
> path only to have to undo it for Emacs 28.

Should this bug remain open?  It seems like it's only relevant on old
versions of Emacs and Aquamacs (based on Emacs 25)?