** Also affects: ubuntu-release-upgrader
Importance: Undecided
Status: New
** Description changed:
- Package: update-manager (also affects: ubuntu-release-upgrader)
-
Impact
A release upgrade disables third-party sources by design and shows a one-line
notice mid-upgrade. After reboot nothing mentions it again: Software Updater
says the system is up to date, apt list --upgradable is empty, unattended-
upgrades is happy. Meanwhile the browser, password manager, messenger and VPN
- client stop receiving security updates.
+ client stop receiving security updates. On this machine that went
+ unnoticed for weeks, and nothing would have ended it but a manual check.
- This is not specific to one bug. #2110032 (arch=), #2086506 (deletion)
- and #2167655 (signed-by) bugs all end the same way, and the next migration
bug
- will eventually too. Disabling an update source is a security-relevant
action;
- the system should keep saying so until someone acts on it.
+ This is not specific to one bug. #2110032 (arch=), #2086506 (deletion) and the
+ #2167655 (signed-by) all end the same way, and the next migration
+ bug will too. Disabling an update source is a security-relevant action; the
+ system should keep saying so until someone acts on it.
Request
Software Updater should warn when installed packages have no enabled source.
apt already knows this: apt list --installed marks them [installed,local].
Show "N packages have no update source" next to "updates available", with a
link to Software & Updates > Other Software, and keep showing it until the
count drops. This catches every cause, past and future, with no policy change.
Nice to have: the upgrader already knows which sources it disabled; write that
list somewhere Software & Updates can show on first login after the upgrade,
instead of only in a dialog dismissed during a multi-hour process.
Ubuntu 26.04.1, update-manager as shipped, upgrade via do-release-
upgrade.
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https://bugs.launchpad.net/bugs/2167656
Title:
Nothing warns that installed packages have lost their update source
after a release upgrade
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