unattended-upgrades (2.0) unstable; urgency=medium Unattended-upgrades now applies ephemeral pinning (apt_preferences(5)) to install packages only from allowed origins and also for whitelisting and blacklisting packages instead of adjusting package versions to be installed. The ephemeral pins are applied in addition to the pin-priorities set by the local apt_preferences(5) configuration and unattended-upgrades also still honors held packages set by apt-mark(8). In the presence of custom apt_preferences configuration it is advised to run "unattended-upgrades --dry-run --debug --verbose" printing the ephemeral pinning configuration to see if the new behaviour matches expectations. To work around APT resolver bugs preventing APT from always finding the solution for installing complex package sets (#773281, #711128) unattended-upgrades still falls back to adjusting package candidates in addition to applying the ephemeral pinning. -- Balint Reczey <rbalint@ubuntu.com> Thu, 20 Feb 2020 18:47:23 +0100
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