Ubuntu 26.04.1 LTS arrives, opening desktop upgrades from 24.04 LTS

The upgrade gate opens for 24.04 users

Canonical has released Ubuntu 26.04.1 LTS, the first point release of the "Resolute Raccoon" long-term support series. According to the company's announcement, the update bundles the fixes and refinements identified since 26.04 LTS originally launched, and it is available to download and install now.

The more consequential news is who moves next: Canonical says users of Ubuntu 24.04 LTS will shortly be prompted to upgrade to 26.04 LTS directly from the desktop, either automatically or as part of a scheduled update. Holding back the mass upgrade offer until a .1 release is long-standing Ubuntu practice, giving the initial launch time to settle before cautious users and large fleets follow.

A Wayland-first desktop on GNOME 50

The 26.04 series runs the GNOME 50 desktop and, according to Canonical, completes the upstream shift away from X.org: the desktop is now fully on Wayland. The listed benefits include smoother rendering, per-monitor scaling, built-in touch and gesture handling, and the elimination of screen tearing, along with support for the latest NVIDIA production drivers. Fractional scaling and variable refresh rate are no longer flagged as experimental.

The default application set was modernised as well. The Papers document viewer, Loupe image viewer, Ptyxis terminal and Resources system monitor ship out of the box, together with accessibility fixes across the shell and core apps that Canonical says bring the release in line with global regulations. The App Center now presents deb packages and snaps side by side in a single interface.

CUDA and ROCm straight from the archive

For developers, 26.04 LTS ships current toolchains for Python, Rust, Ruby, Go, PHP and Perl. Canonical also pitches the release at data science and machine learning users, noting that widely used frameworks such as TensorFlow, PyTorch, Keras, OpenCV and Kubeflow are commonly run on Ubuntu.

Two packaging firsts stand out. This is the first Ubuntu release to distribute NVIDIA CUDA natively from its own repositories, and AMD's ROCm platform for hardware-accelerated AI and HPC work on Instinct and Radeon GPUs is now in the archive too. NVIDIA's DOCA-OFED software for high-performance networking is available through an official PPA. Canonical is also promoting Workshop, a way to launch composable, sandboxed development environments with a single command while keeping the host system isolated.

Security: memory-safe tools and post-quantum defaults

The security changes are unusually dense for an LTS point release. TPM-backed full-disk encryption is now generally available in the installer, with encryption keys bound to the device's TPM chip to make physical-access attacks considerably harder. A Security Center serves as a post-deployment control plane where administrators can review encryption state, recovery mechanisms, Secure Boot status and disk protection settings.

Canonical describes this as the first LTS to widen the use of memory-safe system components: new kernel drivers and subsystems written in Rust, plus sudo-rs and uutils coreutils, which re-implement sudo and core command-line utilities in Rust. The original GNU implementations remain available for compatibility.

Cryptographic defaults are now post-quantum aware, with hybrid post-quantum key exchange enabled out of the box and legacy cipher support retired entirely. The release also handles confidential computing as both host and guest on Intel Trust Domain Extensions and AMD SEV, extends Canonical Livepatch to Arm64 for the first time, and refreshes the WSL experience with cloud-init and Ubuntu Pro integration. For identity management, authd allows authentication against cloud providers such as Entra ID, Google IAM and any OIDC-compliant service.

Support terms

Standard security maintenance on the main repository covers five years. Ubuntu Pro stretches that to 10 years across a far larger package set, and a Legacy Support add-on purchases another five, giving a 15-year commitment that Canonical says applies back to 14.04 LTS.

Why it matters

The .1 marker is the real signal here. Most LTS users and enterprises wait for it before committing, so this release effectively kicks off the migration from 24.04, a fleet that will now receive upgrade prompts automatically. Beyond the rollout mechanics, shipping CUDA and ROCm from Ubuntu's own repositories removes a persistent friction point for GPU and AI workloads, while the Rust-based system tools and default post-quantum key exchange set security defaults that other distributions often end up adopting.