[Bug 1982055] Re: Ubuntu 21.04 is un-upgradeable

[Chris Guiver]

Thank you for reporting this bug to Ubuntu.

Ubuntu 21.10 (impish) reached end-of-life on July 14, 2022.
Ubuntu 21.04 (hirsute) reached end-of-life on January 20, 2022.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

The upgrade path worked until the release Ubuntu 21.04 was tested &
supported (which was 21.10) to upgrade to reached EOL.  The Ubuntu
Release Upgrader tool doesn't support, and isn't intended to support
upgrading from a non-LTS release after that path has gone. The upgrade
path was open for the nine months of Ubuntu 21.10's supported life.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1982055

Title:
  Ubuntu 21.04 is un-upgradeable

Status in ubuntu-release-upgrader package in Ubuntu:
  Invalid

Bug description:
  Related: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-
  upgrader/+bug/1981939

  Any existing U21.04 machines are currently dead in the water, as there
  appears to be no way at all to upgrade them to 21.10 and then to
  22.04.

  For some reason 'do-release-upgrade' is trying to take them directly
  from 21.04 to 22.04 - is there some typo/regexp issue somewhere where
  it's thinking it's trying to move from 20.04 to 22.04?

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