Subject: Re: bug#31354: 26.1rc1; window-configuration-change-hook not respected anymore

From: Eli Zaretskii <[email-masked]>
Date: Thu, 03 May 2018 16:38:09 +0300

On May 3, 2018 3:22:24 PM GMT+03:00, Stefan Guath <[email-masked]> wrote:
> VERSION
> "GNU Emacs 26.1 (build 1, x86_64-apple-darwin13.4.0, NS appkit-1265.21
> Version 10.9.5 (Build 13F1911)) of 2018-04-10"
> 
> DESCRIPTION
> Functions added to window-configuration-change-hook are not executed
> in
> 26.1rc1. It works in 25.3.1.
> 
> TO REPRODUCE
> 1) emacs -q
> 2) Eval in *scratch*: (add-hook 'window-configuration-change-hook
> (lambda
> () (ding)))
> 3) Resize window
> 4) There is no sound (i.e. ding is not executed) on 26.1rc1. It works
> as
> expected on 25.3.1.

This is a deliberate change, it is called out in NEWS.  There is another
hook to use for size changes.