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Name Modified Size InfoDownloads / Week
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rain-os-1.3.0-x86_64.iso 2026-09-14 2.0 GB
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rain-os-packages-1.3.0.tar.gz 2026-09-14 3.2 MB
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rain-probe-debug-1.3.0-1-x86_64.pkg.tar.zst 2026-09-14 17.9 kB
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rain-branding-1.3.0-1-any.pkg.tar.zst 2026-09-14 3.2 MB
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rain-logo-4k.png 2026-09-14 2.9 MB
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rain-wallpaper-4k.jpg 2026-09-14 1.8 MB
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SHA256SUMS 2026-09-14 938 Bytes
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SHA512SUMS 2026-09-14 1.6 kB
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rain-os-1.3.0-source.tar.gz 2026-09-14 112.3 MB
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rain-os-sbom.json 2026-09-14 33.2 kB
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rain-probe-1.3.0-1-x86_64.pkg.tar.zst 2026-09-14 8.1 kB
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rain-umbrella.svg 2026-09-14 3.8 MB
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Rain OS v1.3.0 source code.tar.gz 2026-09-14 101.1 MB
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Rain OS v1.3.0 source code.zip 2026-09-14 101.4 MB
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README.md 2026-09-14 2.5 kB
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Totals: 15 Items   2.3 GB 0

Rain OS Version 1.3.0 Production Release

Shelter from complexity, without hiding the system.

Official Release Assets

  • rain-os-1.3.0-x86_64.iso: Single bootable live installation medium with COSMIC Desktop, vertical installer Desktop & WM Selector, Omarchy Themes, Calamares installer, cosmic-store, and dual-kernel stack.
  • rain-os-1.3.0-source.tar.gz: Complete, clean source code repository tree for offline builds and auditable verification.
  • rain-os-packages-1.3.0.tar.gz: Pre-built custom Rain OS pacman package repository archive.
  • rain-wallpaper-4k.jpg: Official 4K high-resolution default desktop wallpaper (3840x2160).
  • rain-logo-4k.png: Official 4K transparent branding emblem (3840x2160).
  • rain-umbrella.svg: Scalable vector emblem and application icon.
  • rain-os-sbom.json: Full CycloneDX v1.5 Software Bill of Materials cataloging all bundled software and open-source licenses.
  • SHA256SUMS & SHA512SUMS: Cryptographic integrity checksums for all release files.

Key Included Capabilities

  • COSMIC Desktop Session by Default: Modern, rust-based flagship desktop with auto-tiling, Wayland layer-shell panels, and sub-300MB idle memory.
  • Vertical Installation Desktop & WM Selector: Interactive vertical selector inside the installer supporting COSMIC, Hyprland, KDE Plasma 6, GNOME, i3-wm, Sway, XFCE4, Niri, River, and Gamescope.
  • Universal Software Center (cosmic-store): Fast GUI application manager integrating native packages and Flatpaks without database locking.
  • Clean Live Boot Surface: Only installer and learning hub shortcuts displayed; zero intrusive auto-spawning popups.
  • Dedicated Application Iconography: Unique vector-derived icons across all 8 Rain OS custom utilities.
  • Omarchy Themes Engine: 22 signature themes adapted from omacom/omarchy with unified palettes.
  • 12 Pristine 4K Wallpapers: Razor-sharp, watermark-free UHD wallpapers matching Rain OS aesthetic.
  • Hardware Driver Stack: Intel, AMD, Realtek, Broadcom Wi-Fi/Bluetooth, and dual-kernel stability (linux + linux-lts).
  • C Native Engine: Compiled C system and display probe (rain-probe) with sub-millisecond execution.
  • Btrfs Snapshot Safety: Automatic pre-upgrade snapshots (00-rain-pre-snapshot.hook), preflight health checks, and rollback utilities.

Verification

Verify cryptographic integrity before flashing:

:::bash
sha256sum -c SHA256SUMS
sha512sum -c SHA512SUMS
Source: README.md, updated 2026-09-14