I wish to upgrade my Raspberry to Jammy Jellyfish. It was released yesterday and announced in news.

But on my machine it still shows that's beta release!

# cat /etc/lsb-release

DISTRIB_ID=Ubuntu

DISTRIB_RELEASE=21.10

DISTRIB_CODENAME=impish

DISTRIB_DESCRIPTION="Ubuntu 21.10"





# do-release-upgrade

Checking for a new Ubuntu release

No new release found.



# do-release-upgrade -p -m server

Checking for a new Ubuntu release

No new release found.



# do-release-upgrade -c -m server

Checking for a new Ubuntu release

No new release found.



# do-release-upgrade -c -m server --allow-third-party

Checking for a new Ubuntu release

No new release found.



# date

Sat Apr 23 07:49:28 CEST 2022



# do-release-upgrade -d

Checking for a new Ubuntu release



= Welcome to the Ubuntu 'Jammy Jellyfish' development release =



''This release is still in development.''



Thanks for your interest in this development release of Ubuntu.

The Ubuntu developers are moving very quickly to bring you the

absolute latest and greatest software the Open Source Community has to

offer. This development release brings you a taste of the newest features

for the next version of Ubuntu.



== Testing ==



Please help to test this development snapshot and report problems back to the

developers.  For more information about testing Ubuntu, please read:



  http://www.ubuntu.com/testing





== Reporting Bugs ==



This development release of Ubuntu contains bugs. If you want to help

out with bugs, the Bug Squad is always looking for help. Please read the

following information about reporting bugs

Is this some raspberry specific bug?

I did

apt update && apt upgrade && apt dist-upgrade && apt autoremove && apt install update-manager-core