Recently I've noticed some issues when running apt where the system will warn me of a keyring deprecation:
All packages are up to date. W: https://packages.microsoft.com/ubuntu/22.04/prod/dists/jammy/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.
This doesn't stop me from performing the update, but I would much rather not see this when updating my system. How are we supposed to store trusted GPG keys going forward?
man apt-key. Reread the "DEPRECATION" section. – waltinator Jul 12 '23 at 20:15