Regarding packages removed by Debian's Release Manager, due to Release Criticial bugs, but say, still looking great here: $ apt-cache policy deity deity: Installed: (none) Candidate: 0.8.0.6 Version Table: 0.8.0.6 0 500 cdrom://[Debian GNU/Linux SID _Sid_...
there seems no mechanism at present to warn the user that he shouldn't install it, even if he has done apt-get update from the mirrors. In bug 202919 you will see I was just lucky something stopped installation. I guess I'm hoping for a warning that a package is 'out of fashion' when I try to apt-get install it.