Raspberry：“do-release-upgrade”认为“Jammy Jellyfish”仍在开发中

Question

我希望将我的 Raspberry 升级为 Jammy Jellyfish。它于昨天发布并在新闻中宣布。

但在我的机器上它仍然显示这是测试版！

# 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

这是树莓派特有的错误吗？

我做到了

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

Answer 1

直到第一个点发布（22.04.1）之后才do-release-upgrade可供一般使用。这通常是在八月。

有些年，当出现已知问题时，团队会do-release-upgrade长时间推迟更新的可用性，直到问题得到解决。如果您处于 LTS 到 LTS 的轨道上，情况尤其如此。