Ubuntu 24.04.1 LTS Release Delayed: What You Need to Know

Ubuntu 24.04.1 LTS release is delayed for two weeks and will be released on August 29. The announcement was made by Lukasz Zemczak, engineering manager for Ubuntu release team, and the release of 24.04.1, originally scheduled to be released on August 19, will be postponed until August 29 to resolve major upgrade errors found during preparation.

This delay has a significant impact on users who plan to upgrade from Ubuntu 22.04 LTS, as the first point version of the LTS version usually marks the official launch of these upgrades.

Table of contents

- Ubuntu 24.04.1 Reasons for LTS Release Delay

• Nvidia driver conflict
• Snap Store Connection Issues
• Unexpected consequences of Cloud-init
• RabbitMQ upgrade problem
• Necessary delays for smoother transitions
• Key Points

Reasons for LTS release delays in Ubuntu 24.04.1

The Ubuntu release team recently announced that it would postpone the release of Ubuntu 24.04.1 LTS (codenamed "Noble Numbat") for two weeks.

The decision to postpone the release was due to several serious errors found during the preparation phase of 24.04.1. These errors marked as "upgrade barriers" can seriously disrupt users' upgrade process, especially those who upgrade from 22.04 LTS.

Some potential barriers have been identified that prompted delays in launches to ensure a smoother upgrade experience. Here are the main questions:

Nvidia driver conflict

The system responsible for handling snap packages in Ubuntu uses specific code to interact with Nvidia's proprietary graphics drivers. However, this code is outdated and fragile, causing problems with the updated Nvidia driver versions (especially the 550 series). After upgrading from 22.04, which is commonly used with older driver versions, this conflict can lead to performance degradation and system instability.

For more details, see Bug #2076324 .

Snap Store Connection Issues

Another snapd -related problem is its interaction with systemd-resolved (a key component for DNS resolution). During upgrades from 22.04 (codenamed Jammy), there may be a time conflict between the installation of the snap conversion package and the decompression of the systemd-resolved . This conflict may cause the Snap Store to be unable to connect, hindering the installation process of the base package.

For more details, see Bug #2043820 .

Unexpected consequences of Cloud-init

Starting from 22.04, Ubuntu's desktop metapackage suggests that cloud-init , a tool primarily used for initial system configuration in cloud environments. However, this suggestion presents unexpected obstacles for upgraders. When upgrading to 24.04, cloud-init may mistakenly interpret the situation as a fresh installation and running its default configuration script. This behavior may cause the user account "ubuntu" to be locked due to a password reset triggered by cloud-init .

For more details, see Bug #2075968 .

RabbitMQ upgrade problem

Upgrading from Ubuntu 22.04 to 24.04 may cause the RabbitMQ server to fail due to incompatible feature flags between versions provided in each version. This problem may cause the server to fail to start after the upgrade, which may lead to data loss.

For more details, see Bug #2074309 .

Necessary delays for smoother transitions

The Ubuntu release team's decision to postpone 24.04.1 may disappoint some people, but I think it's a necessary delay in achieving a stable and reliable user experience. By addressing these critical upgrade barriers before it is officially released, the team aims to ensure that the transition from 22.04 LTS upgrade users is smoother and less hassle. This delay provides the time required to implement and test the solution, which will ultimately lead to a more complete and pleasing version 24.04.1.

The announcement was released on August 12, 2024, and more details can be found on the Ubuntu Discourse forum .

Key Points

Here are some key points about the release of Ubuntu 24.04.1 LTS:

• The initial target date for the Ubuntu 24.04.1 LTS "Noble Numbat" version is Thursday, August 19, 2024.
• The release was delayed by two weeks until August 29, 2024. This delay is caused by several major upgrade errors.
• One of the errors that causes the delay is a key issue affecting Snapd and Nvidia drivers. This error has to do with the outdated code used to share Nvidia binary library in Snapd, which can cause problems when upgrading from Ubuntu 22.04 to 24.04.
• The first point version of Ubuntu Long-term Support (LTS) version is usually the point in time when users of previous LTS versions allow upgrades.
• The latency of the 24.04.1 LTS version means that Ubuntu 22.04 LTS users must wait longer to receive notifications for upgrading to 24.04 LTS.

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• Ubuntu 24.04.1 release is postponed to August 29

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