| Name | Modified | Size | Downloads / Week |
|---|---|---|---|
| Parent folder | |||
| rain-probe-1.3.1-1-x86_64.pkg.tar.zst | 2026-09-14 | 8.1 kB | |
| rain-wallpaper-4k.jpg | 2026-09-14 | 1.8 MB | |
| SHA256SUMS | 2026-09-14 | 1.0 kB | |
| rain-logo-4k.png | 2026-09-14 | 2.9 MB | |
| rain-os-1.3.1-source.tar.gz | 2026-09-14 | 112.4 MB | |
| rain-os-1.3.1-x86_64.iso.part-aa | 2026-09-14 | 1.9 GB | |
| rain-os-packages-1.3.1.tar.gz | 2026-09-14 | 3.2 MB | |
| rain-os-sbom.json | 2026-09-14 | 35.4 kB | |
| rain-branding-1.3.1-1-any.pkg.tar.zst | 2026-09-14 | 3.2 MB | |
| rain-os-1.3.1-x86_64.iso.part-ab | 2026-09-14 | 464.0 MB | |
| rain-probe-debug-1.3.1-1-x86_64.pkg.tar.zst | 2026-09-14 | 17.9 kB | |
| rain-umbrella.svg | 2026-09-14 | 3.8 MB | |
| SHA512SUMS | 2026-09-14 | 1.7 kB | |
| Rain OS v1.3.1 source code.tar.gz | 2026-09-14 | 101.1 MB | |
| Rain OS v1.3.1 source code.zip | 2026-09-14 | 101.4 MB | |
| README.md | 2026-09-14 | 2.9 kB | |
| Totals: 16 Items | 2.7 GB | 0 | |
Rain OS Version 1.3.1 Production Release
Shelter from complexity, without hiding the system.
Official Release Assets
rain-os-1.3.1-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-1.3.1-source.tar.gz: Complete, clean source code repository tree for offline builds and auditable verification.rain-os-packages-1.3.1.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/omarchywith 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
Reassembling Multi-Part ISO
Due to GitHub Release's 2.0 GiB ceiling per asset, large images are provided as multi-part assets:
- Linux / macOS:
bash cat rain-os-*.iso.part-* > rain-os-assembled.iso sha256sum -c SHA256SUMS - Windows (PowerShell / Command Prompt):
cmd copy /b rain-os-*.iso.part-aa + rain-os-*.iso.part-ab rain-os-assembled.iso
