https://bugs.winehq.org/show_bug.cgi?id=53356
--- Comment #19 from Ulf Zibis Ulf.Zibis@gmx.de --- (In reply to jkfloris from comment #18)
This is less secure. As explained in Debian Bug 851774 [1]:
Thanks for your explication. Yes, you are right.
I came to my proposal, because a college told me, that when a foreign key is in /etc/apt/trusted.gpg.d/ instead /etc/apt/trusted.gpg, there is no such warning:
W: https://linux.teamviewer.com/deb/dists/stable/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.