All changes to the released,
distribution go through an extended testing period before they are accepted
into the archive. Each such update of the stable (oldstable) release is called
Preparation of point releases is done through the
mechanism. Updated packages are uploaded to a separate queue called
o-p-u-new), before they are accepted in
To use these packages with APT, you can add the following lines to your
# proposed updates for the next point release deb http://ftp.us.debian.org/debian buster-proposed-updates main contrib non-free
Note that the /debian/ mirrors will have this, it is not necessary to use this particular one, the above choice of ftp.us.debian.org is just an example.
New packages can arrive into proposed-updates when Debian developers
upload them either to
The upload process is described in the Developer’s Reference.
It should be noted that packages from security.debian.org are copied into the p-u-new (o-p-u-new) directory automatically. At the same time, packages that are uploaded directly to proposed-updates (oldstable-proposed-updates) are not monitored by the Debian security team.
The current list of packages that are in the p-u-new (o-p-u-new) queue can be seen at https://release.debian.org/proposed-updates/stable.html (https://release.debian.org/proposed-updates/oldstable.html).