Canonical Revives Ubuntu Core Desktop Development for 27.04 Cycle
Canonical has relaunched its efforts to develop an immutable Ubuntu Core Desktop, targeting a 27.04 release with a focus on developer and gaming workflows.
Canonical is reviving Ubuntu Core Desktop, an immutable operating system, with a focus on the Ubuntu 27.04 cycle. Jon Seager, Canonical's VP of Engineering, announced the plan on October 28, 2026, stating that the 2023 preview fell short of the company's vision.
After public activity dropped off from 2024, the company established a new Ubuntu Core Desktop team. The team's initial tasks involve bringing back the 2023 preview, re-establishing image-building pipelines, and assessing project status, with daily images expected during the 27.04 cycle.
For 27.04, Canonical targets browser-centric machines, developer workstations, and gaming machines because application availability is the main constraint and current Snap app limits act as a blocker. Additional technical problems include modularizing the desktop, handling permission prompting, and supporting KDE Plasma alongside GNOME.
The standard Ubuntu Desktop is not being replaced and is not going away in its present form. Seager noted that while there is a long road ahead with technical challenges, he has long believed Ubuntu Core is the future of Ubuntu, and Canonical now has the capacity to build the desktop side of it.
Seager's long-term goal is making Ubuntu Core the default Ubuntu experience on the desktop, in the data centre, and at the edge, serving as the de facto target for Linux applications and workflows. Full details are published on the Ubuntu Discourse.