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Krubuntu 26.04.1 LTS (KDE Plasma Edition)
Welcome to the official initial release of Krubuntu 26.04.1 LTS (KDE Plasma Edition)!
Krubuntu is an open-source Linux operating system designed for users who want the rock-solid hardware support and extensive package ecosystem of Ubuntu LTS, combined with the elegance, speed, and modern Wayland architecture of KDE Plasma — completely free of bloatware, telemetry, and background resource drain.
💿 Download & Checksums
| File | Size | SHA256 Checksum |
|---|---|---|
Krubuntu-26.04.1-amd64.iso |
2.0 GB | 4b19bca6e5fb0fc4ad38794fb142b76f7fcd180234bdbb29fc81463e532bce5e |
Krubuntu-26.04.1-amd64.iso.sha256 |
93 B | - |
Integrity Verification:
sha256sum -c Krubuntu-26.04.1-amd64.iso.sha256
# Expected output: Krubuntu-26.04.1-amd64.iso: OK🌟 Key Highlights
- Ubuntu 26.04.1 LTS Minimal Base: Cryptographic upstream foundation with zero unnecessary packages.
- KDE Plasma 6 (Wayland-First): Pure Breeze theme, Wayland compositor, fractional scaling, and low latency input.
- Modern Audio Engine: PipeWire 1.6 + WirePlumber, Intel Sound Open Firmware (
SOF) DSP, ALSA UCM profiles, and Bluetooth LDAC/AptX/AAC codecs. - Adaptive Memory Subsystem:
systemd-zram-generator: In-RAM zstd swap space dynamically expanding physical RAM without storage bottleneck.earlyoom: Pop!_OS style freeze guard terminating rogue memory-leak processes before desktop freeze.
- High-Throughput Network Engine: Google BBR TCP congestion control pre-tuned for rapid downloads and low-latency packet pacing.
- Hardware Video Acceleration: Mesa Vulkan 1.3 and Intel VA-API hardware decode for 4K video playback with minimal CPU usage.
- Native Mozilla Firefox (.deb): Official signed
.debbuild directly from Mozilla build servers (Zero Snap daemon overhead). - Package Management Freedom:
- Snap: Installed with Discover integration, but disabled at boot by default (saving ~200MB RAM).
- Flatpak: Flathub pre-configured in disabled state — toggle on with 1-click in Discover Settings.
- Calamares 3.3+ Installer: Beautiful, modern GUI installer with automatic drive partitioning, slideshow presentation, and live session cleanup.
- Universal Hybrid Bootloader: Full UEFI (x86_64) and Legacy BIOS support across NVMe, SATA, and USB drives.
📖 Documentation Links
- Installation Guide - USB flashing with Rufus/Etcher/Ventoy, BIOS settings, and dual-booting.
- Architecture & System Engineering - Deep dive into IaC build pipeline, zRAM, and BBR tuning.
- Hardware Enablement - Audio DSP, Vulkan, Wi-Fi 6/7, and power profiles.
- Package Management Policy - Snap/Flatpak philosophy, Discover catalog, and Mozilla repo.
- Contributing Guidelines - Building from source and submitting PRs.