Of the changes in Debian 9.9, we can note the removal of 5 packages: gcontactsync, google-tasks-sync, mozilla-gnome-kerying, tbdialout and timeline due to incompatibility with the new ESR branches of Firefox and Thunderbird. Updated to fresh stable versions packages
dpdk, mariadb, nvidia-graphics-drivers, nvidia-settings, postfix, postgresql and waagent.
To download and install "from scratch" in the next few hours will be prepared
Previously installed and up-to-date systems receive the updates that are present in Debian 9.9 through the native update system. Security fixes included in new releases of Debian are made available to users as updates are released via the security.debian.org service.
As regards preparations for the next release of Debian 10, the open
critical errors that block the release (10 days ago there were 146, a month and a half ago - 316, two months ago - 577, at the time of freezing in Debian 9 - 275, in Debian 8 - 350, Debian 7 - 650). The final release of Debian 10 is expected in the summer.
Source: opennet.ru