[Bug 1065762] Re: do-release-upgrade falsely reports no upgrade is available

[Jason Conti]

When upgrading from an LTS release, the default is to only upgrade LTS
to LTS. You must enable Normal release upgrades before 12.10 will be
detected. Please see:
https://wiki.ubuntu.com/QuantalQuetzal/TechnicalOverview/Beta2#Upgrading_from_Ubuntu_12.04_LTS

Also you may be interested in https://bugs.launchpad.net/ubuntu/+source
/ubuntu-release-upgrader/+bug/1048285 which is about adding more
diagnostic information to do-release-upgrade so these kinds of issues
are easier to spot.

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https://bugs.launchpad.net/bugs/1065762

Title:
  do-release-upgrade falsely reports no upgrade is available

Status in “update-manager-core” package in Ubuntu:
  New

Bug description:
  when running do-release-upgrade -d, it reports that there is no new
  development release available,  even though 12.10 should be available.

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