Am 13.06.22 um 03:48 schrieb hx:
> Hi developers and users,
> In 28.1 when I execute M-x em-v, it will execute emacs-version 
> immediately,
> but in 29, it will expand to emacs-v in mini-buffer first, need to 
> press enter again.
>
> Could you please tell me which option can make 29 work like 28 ?
>

You may also consider

(set 'frame-title-format '(multiple-frames "%b" ("" invocation-name "@" 
emacs-version)))


in order to get the version always visible.