Canonical Releases Ubuntu 24.04 LTS Noble Numbat

Canonical’s 10th Long Term Supported release sets a new standard in performance engineering, enterprise security and developer experience.

London, 25 April 2024.

Today Canonical announced the release of Ubuntu 24.04 LTS, codenamed “Noble Numbat”, available to download and install from https://ubuntu.com/download.

Ubuntu 24.04 LTS builds on the advancements of the last three interim releases as well as the contributions of open source developers from around the world to ensure a secure, optimised and forward looking platform.

“Ubuntu 24.04 LTS takes a bold step into performance engineering and confidential computing to deliver an enterprise-grade innovation platform, supported for at least 12 years”, said Mark Shuttleworth, CEO of Canonical. “For developers we are delighted to announce TCK certified Java, an LTS for .NET and the latest Rust toolchain.”

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Performance engineering tools pre-enabled and pre-loaded

Canonical is dedicated to raising the bar for quality and performance across the entire Ubuntu ecosystem. 

Ubuntu 24.04 LTS delivers the latest Linux 6.8 kernel with improved syscall performance, nested KVM support on ppc64el, and access to the newly landed bcachefs filesystem. In addition to upstream improvements, Ubuntu 24.04 LTS has merged low-latency kernel features into the default kernel, reducing kernel task scheduling delays.

Ubuntu 24.04 LTS also enables frame pointers by default on all 64-bit architectures so that performance engineers have ready access to accurate and complete flame graphs as they profile their systems for troubleshooting and optimisation.

“Frame pointers allow more complete CPU profiling and off-CPU profiling. The performance wins that these can provide far outweigh the comparatively tiny loss in performance. Ubuntu enabling frame pointers by default will be a huge win for performance engineering and the default developer experience”, said Brendan Gregg, Computer Performance Expert and Fellow at Intel. Tracing with bpftrace is now standard in Ubuntu 24.04 LTS, alongside pre-existing profiling tools to provide site reliability engineers with immediate access to essential resources.

Integrated workload accelerators bring additional performance improvements. Canonical and Intel worked together to integrate Intel® QuickAssist Technology (Intel® QAT) for the first time ever in an LTS. Intel QAT enables users to accelerate encryption and compression in order to reduce CPU utilisation and improve networking and storage application performance on 4th Gen and newer Intel Xeon Scalable processors. 

“Ubuntu is a natural fit to enable the most advanced Intel features. Canonical and Intel have a shared philosophy of enabling performance and security at scale across platforms”, said Mark Skarpness, Vice President and General Manager of System Software Engineering at Intel.

Increased developer productivity with LTS toolchains

Ubuntu 24.04 LTS includes Python 3.12, Ruby 3.2, PHP 8.3 and Go 1.22 with additional focus dedicated to the developer experience for .NET, Java and Rust.

With the introduction of .NET 8, Ubuntu is taking a significant step forward in supporting the .NET community. NET 8 will be fully supported on Ubuntu 24.04 LTS and 22.04 LTS for the entire lifecycle of both releases, enabling developers to upgrade their applications to newer .NET versions prior to upgrading their Ubuntu release. This .NET support has also been extended to the IBM System Z platform.

“We are pleased about the release of Canonical Ubuntu 24.04 LTS and the increased performance, developer productivity, and security that it provides our joint customers,” said Jeremy Winter, Corporate Vice President, Azure Cloud Native. “Ubuntu is an endorsed Linux distro on Microsoft Azure, and an important component for many of Microsoft’s technologies, including .NET, Windows Subsystem for Linux, Azure Kubernetes Service, and Azure confidential computing. Microsoft and Canonical have a close engineering relationship spanning everything from update infrastructure in Azure to developer tooling, notably .NET 8 which is part of the Noble Numbat release from day one. We look forward to continuing our strong collaboration with Canonical to enhance developer productivity and provide a robust experience for Ubuntu on Azure.”

For Java developers, OpenJDK 21 is the default in Ubuntu 24.04 LTS while maintaining support for versions 17, 11, and 8. OpenJDK 17 and 21 are also TCK certified, which means they  adhere to Java standards and ensure interoperability with other Java platforms. A special FIPS-compliant OpenJDK 11 package is also available for Ubuntu Pro users.

Ubuntu 24.04 LTS ships with Rust 1.75 and a simpler Rust toolchain snap framework. This will support the increasing use of Rust in key Ubuntu packages, like the kernel and Firefox, and enables future Rust versions to be delivered to developers on 24.04 LTS in years to come.

New management tools for Ubuntu Desktop and WSL

For the first time in an LTS, Ubuntu Desktop now uses the same installer technology as Ubuntu Server. This means that desktop administrators can now use image customisation tools like autoinstall and cloud-init to create tailored experiences for their developers. The user interface has also received a makeover, with a modern design built in Flutter.

For those managing mixed Windows and Ubuntu environments, the Active Directory Group Policy client available via Ubuntu Pro now supports enterprise proxy configuration, privilege management and remote script execution.

Canonical continues to invest in Ubuntu on Windows Subsystem for Linux (WSL) as a first class platform for developers and data scientists. Starting with Ubuntu 24.04 LTS, Ubuntu on WSL now supports cloud-init to enable image customisation and standardisation across developer estates.

Confidential computing on the cloud and private data centres

Confidential computing secures data at runtime from vulnerabilities within the host privileged system software, including the hypervisor. It also protects data against unauthorised access by 

infrastructure administrators. Today, Ubuntu offers the most extensive portfolio of confidential virtual machines, available across Microsoft Azure, Google Cloud, and Amazon Web Services.

Ubuntu is also the first and only Linux distribution to support confidential GPUs on the public cloud, starting with a preview on Microsoft Azure. Building on the silicon innovation of NVIDIA H100 Tensor Core GPUs and AMD 4th Gen EPYC processors with SEV-SNP, Ubuntu  confidential VMs are ideal to perform AI training and inference tasks on sensitive data.

Ubuntu also supports confidential computing in private data centres. Thanks to a strategic collaboration between Intel and Canonical, Ubuntu now seamlessly supports Intel® Trust Domain Extensions (Intel® TDX) on both the host and guest sides, starting with an Intel-optimised Ubuntu 23.10 build.  With no changes required to the application layer, VM isolation with Intel TDX greatly simplifies the porting and migration of existing workloads to a confidential computing environment.

12 years of support with new Ubuntu Pro add-on 

To meet the needs of Canonical’s enterprise customers, Ubuntu 24.04 LTS gets a 12 year commitment for security maintenance and support. As with other long term supported releases, Noble Numbat will get five years of free security maintenance on the main Ubuntu repository. Ubuntu Pro extends that commitment to 10 years on both the main and universe repositories. Ubuntu Pro subscribers can purchase an extra two years with the Legacy Support add-on. 

The 12 year commitment also applies to earlier Ubuntu releases, starting with 14.04 LTS. The LTS expansion offers benefits for individuals and organisations who want to gain even more stability while building on top of Ubuntu’s wide array of open source software libraries. 

Next steps

  • Download Ubuntu 24.04 LTS
  • Read the full release notes
  • What’s new in Ubuntu Desktop – Deep Dive
  • Read more about Legacy Support

About Canonical 

Canonical, the publisher of Ubuntu, provides open source security, support and services. Our portfolio covers critical systems, from the smallest devices to the largest clouds, from the kernel to containers, from databases to AI. With customers that include top tech brands, emerging startups, governments and home users, Canonical delivers trusted open source for everyone. 

Learn more at https://canonical.com/

Source: cyberpogo.com



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