UrsaOS v0.1.0-beta.2

UrsaOS v0.1.0-beta.2

UrsaOS enters its first beta with one supported desktop edition: Niri + Dank Material Shell (DMS).

Download

• ursaos-2026.08.03-x86_64.iso
• SHA-256: 6dbea9bd38d2f593ec5909910bb6399f98fae611ff1d7f6f7d76ea3d10a6e01d

The checksum file is attached to this GitHub release and is also available next to the ISO on SourceForge.

Highlights

• UEFI-only Try & Install live image
• Niri + DMS desktop with DankGreeter
• Offline-capable Calamares live-copy installation
• Btrfs with Snapper, Timeshift or no snapshots
• Linux plus optional Linux LTS
• Fish, Kitty, Starship, Fastfetch and Bat defaults
• Signed UrsaOS package repository
• Optional BearHub, BearWave, BeautySolar and Paru/AUR
• Improved NetworkManager, Nautilus, audio and Bluetooth integration

Validated path

UEFI live boot → Calamares installation → reboot → DankGreeter login → Niri + DMS desktop

Requirements and scope

• x86_64 system with UEFI firmware
• Secure Boot must currently be disabled
• Legacy BIOS/CSM is not supported
• This remains a prerelease intended for broader testing, not a stable production release