Subject: bug#29906: 27.0.50; Emacs prompts for passwords in GUI dialog instead of minibuffer

From: Glenn Morris <[email-masked]>
Date: Tue, 09 Jan 2018 13:33:51 -0500

Daiki Ueno wrote:

>> ??? I see pinentry.el in all versions of Emacs starting from 25.1.
>
> Oops, you are right (forgot about it).  Then, perhaps it might be safer
> to move it to obsolete, but I presume the impact of the removal is not
> that big.

FWIW, it does seem unusual to me to delete a library altogether.
Emacs normally moves things to obsolete/ first.
Or obsolete/pinentry.el could just contain a single line:
 (setq epa-pinentry-mode 'loopback)