[Bug 1941620] Re: System still install update packages even uncheck "Download updates..." during install OS Edit

[Woodrow Shen]

It seems like we just released the point release before filing the bug,
and at this point using .3 iso to verify this issue can't be reproduced
from my side; the only difference w/ and w/o the networking during
installation is firefox-locale-en.

https://releases.ubuntu.com/20.04/ubuntu-20.04.3-desktop-amd64.iso

133c133
< ii firefox-locale-en 91.0.2+build1-0ubuntu0.20.04.1 amd64 English language pack for Firefox
---
> ii  firefox-locale-en                          91.0+build2-0ubuntu0.20.04.1 amd64 English language pack for Firefox

It may not be a like bug but we need someone from foundation team to
check it's likely defect before the new release happens.

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https://bugs.launchpad.net/bugs/1941620

Title:
  System still install update packages even uncheck "Download
  updates..." during install OS Edit

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Steps to repro:
  1. Connect to the internet and install ubuntu-20.04.2.0-desktop-amd64.iso.
  2. In the "Updates and other software" page, select "Normal installation", uncheck "Download updates while..." and "Install third-party...".
  3. While the system shows "Installation Complete", remove the LAN cable.
  4. Reboot system then login, execute "dpkg --list".

  Expected results:
  The system did not install any update packages.

  Actual results:
  The system installed update packages.

  Please review the attachment.
  While connecting to the internet during installation, the system installed linux-image-5.11.0-27-generic and other update packages.
  If we don't connect to the internet during installation, the linux-image is 5.8.0-43.

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