Public bug reported:
Ubuntu release: 26.04
Architecture: arm64
PackageKit version: 1.3.4-3ubuntu1.2
PackageKit backend: apt
PackageKit reports phased updates as available although APT correctly
defers them because of Ubuntu's phased-update mechanism.
In my case this affects Nautilus.
Installed version:
nautilus 1:50.0-0ubuntu2
Candidate version:
nautilus 1:50.2.2-0ubuntu0.1
`apt-cache policy nautilus` shows the candidate from resolute-updates with:
(phased 0%)
Running:
apt -s upgrade
correctly reports:
Noch keine Aktualisierung wegen Phasenstufung:
libnautilus-extension4
nautilus
nautilus-data
and does not propose installing these packages.
However, running:
pkgcli list-updates
reports all three packages as available updates:
libnautilus-extension4 1:50.2.2-0ubuntu0.1.arm64
nautilus 1:50.2.2-0ubuntu0.1.arm64
nautilus-data 1:50.2.2-0ubuntu0.1.all
The Ubuntu App Center consequently also shows "Files" as an available
update. Clicking Update does not install the update, and the update
remains displayed afterwards.
Expected behavior:
PackageKit's APT backend should respect APT's phased-update decision. Packages
currently deferred by APT because of phasing should not be returned by `pkgcli
list-updates` as normal available updates. Consequently, the Ubuntu App Center
should not offer such an update for installation.
Actual behavior:
PackageKit lists the phased/deferred packages as available updates even though
APT correctly excludes them from the upgrade.
Steps to reproduce:
1. Have an Ubuntu phased update that is currently deferred for the system.
2. Verify with `apt -s upgrade` that APT defers the package because of phasing.
3. Run `pkgcli list-updates`.
4. Observe that PackageKit nevertheless lists the deferred package as an
available update.
This is reproducible on Ubuntu 26.04 arm64 with PackageKit
1.3.4-3ubuntu1.2 using the APT backend.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: packagekit 1.3.4-3ubuntu1.2
ProcVersionSignature: Ubuntu 7.0.0-1017.17-raspi 7.0.12
Uname: Linux 7.0.0-1017-raspi aarch64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: arm64
CasperMD5CheckResult: unknown
CloudArchitecture: aarch64
CloudID: none
CloudName: none
CloudPlatform: none
CloudSubPlatform: config
CurrentDesktop: ubuntu:GNOME
Date: Sat Aug 29 08:54:18 2026
ImageMediaBuild: 20260423
SourcePackage: packagekit
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.dbus-1.system.d.org.freedesktop.PackageKit.conf:
[deleted]
** Affects: packagekit (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug arm64 arm64-image raspi-image resolute wayland-session
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https://bugs.launchpad.net/bugs/2165810
Title:
PackageKit lists phased updates that APT correctly defers
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