[Bug 1885819] Re: Can't upgrade to Ubuntu 20.04

[Chris Guiver]

Thank you for taking the time to report this bug and helping to make
Ubuntu better.

Upgrades from the prior LTS release (Ubuntu 18.04 LTS) won't be offered
until after the release of Ubuntu 20.04.1.  To force it before then, you
need to use the development release option.  This helps ensure LTS or
long-term-support users keep maximum stability.

(this comment is made because of your 'prerelease version' description)

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https://bugs.launchpad.net/bugs/1885819

Title:
  Can't upgrade to Ubuntu 20.04

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

Bug description:
  I am trying to upgrade to ubuntu 20.04 but at the time of calculating
  changes it says it is a prerelease version.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.37
  ProcVersionSignature: Ubuntu 4.15.0-109.110-generic 4.15.18
  Uname: Linux 4.15.0-109-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.15
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Jun 30 20:56:36 2020
  InstallationDate: Installed on 2014-06-14 (2209 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-07-01 (0 days ago)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update-manager.release-upgrades: 2020-06-30T20:45:09.060197

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