bug#55412: 28.1; In Emacs 28.1, using ':eval' in 'frame-title-format' doesn't work properly

[Eli Zaretskii]

> Date: Wed, 18 May 2022 09:19:48 +0200
> Cc: 55412@debbugs.gnu.org, tanzer@swing.co.at
> From: martin rudalics <rudalics@gmx.at>
> 
> When I type M-:, save the expression to evaluate from some other frame,
> and the subsequent yank inserts that expression into a normal buffer
> instead of the minibuffer, the resulting behavior does not constitute a
> less important inconsistency but an annoying regression.  This is one of
> the things that used to work "ever since".

Can you tell more about the inconsistency you get in this scenario?
I'm afraid I don't follow the description and therefore cannot try
reproducing it myself.

Thanks.