I using Ubuntu GNOME 16.04.4, and I cannot update to 18.04 from Software Updater.

I get the message

The software on this computer is up to date.

  • Can you add the error message? – Eranda Peiris Apr 27 '18 at 3:50
  • Ubuntu by default doesn't upgrade 16.04.x to 18.04, but offers it when 18.04.1 is released (for maximum stability) – guiverc Apr 27 '18 at 4:01
  • sudo do-release-upgrade Checking for a new Ubuntu release No new release found. – Auno Gohe Apr 27 '18 at 4:12
  • @guiverc, when is that expected to be ? – Muhammad Gelbana Apr 29 '18 at 21:10
  • Yes you can of course force do-release-upgrade -d to 18.04, but its not offered as already stated for stability reasons until 18.04.1 which is scheduled for 26-July -2018 (wiki.ubuntu.com/BionicBeaver/ReleaseSchedule) (18.04 is still marked development-release until 18.04.1) – guiverc Apr 29 '18 at 23:37

I was having the same problem. But then I run this command in terminal:

update-manager -cd

and I got this:

update notification

Run the above command and see if it solves your problem.

  • 1
    -d is for development releases (alpha, beta...) – jasmines Apr 27 '18 at 10:13
  • The release is already downloadable but I can't get upgrade yet ! – Muhammad Gelbana Apr 29 '18 at 21:10

There is still no information about new release here: http://changelogs.ubuntu.com/meta-release So it will not upgrade

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