Ubuntu 25.04 Plucky Puffin

Ubuntu 25.04, codenamed "Plucky Puffin," is a short-term release of the Ubuntu operating system, launched on April 17, 2025. This release continues Ubuntu's tradition of integrating the latest open-source technologies into a high-quality, user-friendly Linux distribution. The development cycle for Plucky Puffin began in October 2024, with the public beta testing commencing on March 27, 2025. The final version was released on April 17, 2025, and is supported for nine months, until January 2026. Ubuntu 25.04 introduces GNOME 48, featuring triple buffering for smoother performance, HDR settings, and new features like a Wellbeing Panel and Preserve Battery Health mode. A new modern PDF reader, Papers, is now the default. The installer offers a smoother experience when installing alongside other operating systems, with better BitLocker support and advanced partitioning. Built on the Linux 6.14 kernel, this release brings a new scheduling system with sched_ext, enhanced Wine/Proton gaming support through the new NTSYNC driver, and better container tooling via decoupled bpftools and linux-perf.