[Bug 1915875] [NEW] Software Updater fails to let me update packages my package manager is aware of

[BloodyIron]

Public bug reported:

Very frequently aptitude will know about new updates from the repos I
use, but when I use Software Updater, it reports there are no more
updates to apply. I have to revert to using apt at the CLI to update my
packages. This really breaks the GUI UX of the environment, and while I
am capable of dealing with this, many others users are not, and this
should not be an incomplete experience. It's been like this for multiple
years now across multiple versions of Ubuntu.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: update-manager 1:20.04.10.5
ProcVersionSignature: Ubuntu 5.4.0-65.73-generic 5.4.78
Uname: Linux 5.4.0-65-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Tue Feb 16 13:29:25 2021
ExecutablePath: /usr/bin/update-manager
InstallationDate: Installed on 2019-03-08 (711 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
InterpreterPath: /usr/bin/python3.8
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_CA:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4
SourcePackage: update-manager
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal

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https://bugs.launchpad.net/bugs/1915875

Title:
  Software Updater fails to let me update packages my package manager is
  aware of

Status in update-manager package in Ubuntu:
  New

Bug description:
  Very frequently aptitude will know about new updates from the repos I
  use, but when I use Software Updater, it reports there are no more
  updates to apply. I have to revert to using apt at the CLI to update
  my packages. This really breaks the GUI UX of the environment, and
  while I am capable of dealing with this, many others users are not,
  and this should not be an incomplete experience. It's been like this
  for multiple years now across multiple versions of Ubuntu.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: update-manager 1:20.04.10.5
  ProcVersionSignature: Ubuntu 5.4.0-65.73-generic 5.4.78
  Uname: Linux 5.4.0-65-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.16
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Feb 16 13:29:25 2021
  ExecutablePath: /usr/bin/update-manager
  InstallationDate: Installed on 2019-03-08 (711 days ago)
  InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
  InterpreterPath: /usr/bin/python3.8
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_CA:en
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4
  SourcePackage: update-manager
  UpgradeStatus: No upgrade log present (probably fresh install)

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