[Bug 1874999] [NEW] 1904 do-release-upgrade always saying no new release found

[PascalC]

Public bug reported:

I am unable to start upgrade from 1904 to 2004 :

$ do-release-upgrade 
Recherche d'une nouvelle version d'Ubuntu
Aucune nouvelle version n'a été trouvée.

https://changelogs.ubuntu.com/meta-release seems not indicating 2004
release

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: ubuntu-release-upgrader-core 1:19.10.15.4
ProcVersionSignature: Ubuntu 5.3.0-48.41-generic 5.3.18
Uname: Linux 5.3.0-48-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.8
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: KDE
Date: Sat Apr 25 10:20:04 2020
InstallationDate: Installed on 2019-06-02 (328 days ago)
InstallationMedia: Kubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to eoan on 2019-11-01 (176 days ago)

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade eoan

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https://bugs.launchpad.net/bugs/1874999

Title:
  1904 do-release-upgrade always saying no new release found

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

Bug description:
  I am unable to start upgrade from 1904 to 2004 :

  $ do-release-upgrade 
  Recherche d'une nouvelle version d'Ubuntu
  Aucune nouvelle version n'a été trouvée.

  https://changelogs.ubuntu.com/meta-release seems not indicating 2004
  release

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: ubuntu-release-upgrader-core 1:19.10.15.4
  ProcVersionSignature: Ubuntu 5.3.0-48.41-generic 5.3.18
  Uname: Linux 5.3.0-48-generic x86_64
  ApportVersion: 2.20.11-0ubuntu8.8
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Sat Apr 25 10:20:04 2020
  InstallationDate: Installed on 2019-06-02 (328 days ago)
  InstallationMedia: Kubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to eoan on 2019-11-01 (176 days ago)

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