Ubuntu 25.04 “Plucky Puffin”: A Bold Leap Into the Future of Linux — but what’s inside might surprise you

Experience a new level of performance and design with Ubuntu 25.04 “Plucky Puffin”, with features GNOME 48, HDR support, the powerful Linux 6.14 kernel, devpacks for developers, enhanced dual-boot tools, and expanded confidential computing.

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Released on April 17, 2025, Ubuntu 25.04 “Plucky Puffin” is Canonical’s latest short-term release, backed with 9 months of support and filled with cutting-edge updates in the desktop, kernel, development tools, and hardware support.Whether you are a gamer, developer, or simply a Linux fan, this release provides arefined, performance-driven experience.

GNOME 48: A Smarter, Sleeker Desktop

Ubuntu 25.04 arrives with the refined GNOME 48 desktop, refining the user interface with:

  • Triple buffering for smoother animation and less screen tearing.
  • HDR support, controllable through Settings for rich color output on supported displays.
  • Wellbeing Panel, introducing screen-time monitoring and a new Preserve Battery Health mode to maximize charging cycles.
  • A simpler Settings app and more intelligent notification grouping for improved usability.

Linux Kernel 6.14: Innovation Meets Performance

Driven by Linux 6.14, Ubuntu 25.04 includes:

  • sched_ext, Canonical’s eBPF-based hot-swappable scheduler framework.
  • NTSYNC, a kernel driver simulating Windows NT synchronization primitives, which improves performance in Wine/Steam Play gaming.
  • GPU Gains: Complete support for Intel Arc Xe and AMD Battlemage GPUs, which unleashes 2–4× accelerated ray tracing in Blender 4.2+.
  • NVIDIA Dynamic Boost enabled by default to ensure efficient CPU–GPU power-sharing.

Devpacks: Ready-to-Code Environments

Canonical announces “devpacks”, ready-to-code pre-configured toolchains for smooth development. The first release includes:

  • Spring devpack (Spring 6.1/6.2, Spring Boot 3.3/3.4).
  • Future packs for Go, Rust, Python,.NET, LLVM, and others.
  • Updated core toolchains: GCC 14, Python 3.12, OpenJDK 21.

Bid adieu to dependency conflicts and setup headaches.

Installer & Networking Enhancements

Installing Ubuntu has never been easier:

  • “Replace Ubuntu” option for clean reinstalls.
  • Improved support for BitLocker-encrypted Windows partitions for effortless dual-booting.
  • Support for Dracut as an experimental initramfs choice.
  • Enhanced Netplan networking with DNS-aware “wait-online” and WPA‑PSK‑SHA256 Wi-Fi encryption support.

Confidential Computing & Security Upgrades

Ubuntu 25.04 respects privacy:

  • AMD SEV‑SNP host support, allowing encrypted VMs even on-premise, built-in through QEMU 9.2.
  • Continued support for Intel TDX guests.
  • systemd v257.4 for enhanced time-sync security.
  • Elimination of legacy tools like utmp, providing a linear system.

ARM64 ISO & Official Variants

Plucky Puffin releases a special ARM64 Desktop ISO, making Ubuntu installations on AArch64 VMs and ARM laptops easy.

All official Ubuntu variants arrive in harmony:

  • Kubuntu 25.04 with Plasma 6.3.
  • Ubuntu MATE with MATE 1.x, LibreOffice 25.2.2.
  • Other variants: Xubuntu, Budgie, Studio, Unity, Cinnamon, Kylin—all benefit from 25.04’s fundamental improvements.

“Papers” Replaces Evince

A subtle but notable change—Ubuntu 25.04 replaces Evince with the upstream “Papers” PDF reader, offering better performance and a modern interface for document viewing.

Who Should Upgrade?

Ubuntu 25.04 is perfect for:

  • Gamers: Due to NTSYNC and GPU support.
  • Developers: With devpacks and newest toolchains.
  • Enthusiasts: For GNOME 48, HDR, and performance refinement.
  • Dual-booters: For BitLocker support and more seamless installs.

Upgrade Paths:

Final Verdict: Ubuntu at Its Most Polished

“Plucky Puffin” is not just another interim release—it’s a glimpse of what Linux can become: speedy, secure, developer-friendly, and visually polished. From under-the-hood kernel enhancements to visible desktop polish, Ubuntu 25.04 gets it all right.

Ready to give it a go?

Download today from the official Ubuntu website and join the future of Linux.

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