The primary theme for this release was productization fixes in support of Ubuntu Desktop Installer. This includes many partitioning enhancements, fixes to enable autoinstall for Ubuntu Desktop Installer, and improvements in handling of NetworkManager.
Another item is improvements in handling of Apt. Many Subiquity failure reports have the Subiquity-Apt interaction as the cause. We now more proactively check that the chosen mirror looks valid, offer autoinstall controls to allow the install to continue if the mirror cannot be contacted, and more. On similar note, a failure to complete unattended-upgrades is no longer fatal to the install.
On the subject of offline installs, there is a new fallback
key to control the desired behavior when the Ubuntu archive mirror is unavailable during install time. The default policy is abort
, which ends the install if the archive mirror is unaccessible. In some situations, it is acceptable to proceed with an offline install w