This repository is the public 4.0 press packet. The signed stable ISO is Shadowfetch Linux 4.0.0.
Firebreak on that image no longer pins RLIMIT_AS to the RSS budget. Fresh BIOS Fire and UEFI Ice installs from the new ISO completed Core first-boot. session/execute no longer SIGTRAPs.
- Name: Shadowfetch Linux 4.0.0 / Umbra / Mission Control
- Editions: Fire (connected) and Ice (offline-first)
- Supported claim: For the first time in Shadowfetch Linux, choose Grok Bot at startup.
- Deferred: Local AI / Buzz replacement. Do not reintroduce a local engine without revisiting scope.
- Not established: A world-first “Grok on Linux” claim.
| Surface | URL |
|---|---|
| Website / download | https://www.shadowfetchlinux.org/download |
| 4.0.0 notes | https://www.shadowfetchlinux.org/preview |
| Distro source | https://github.com/ShadowfetchLinux/shadowfetch-linux/tree/release/4.0.0 |
| GitHub release | https://github.com/ShadowfetchLinux/shadowfetch-linux/releases/tag/v4.0.0 |
| Archive.org ISO | https://archive.org/details/shadowfetch-linux-4-0-0 |
| Historical preview packet | https://archive.org/details/shadowfetch-linux-4-0-0-preview |
| Publisher account | https://archive.org/details/@rcorbin125 |
Firebreak source commit: e1293bfad3bffaecd1ff869e378438f9f36398f7
Acceptance commit: 57e637a712d0a337017ad820a89d84ebcc04f255
Stable ISO: shadowfetch-4.0.0-amd64.iso
SHA-256: 137c1f29e206c0d0e26e524c8c34a7dfe43b24c1d1df29f85d6b15283bab67fc
The earlier C11 ISO a5391737ab4aaf65e20bbfd0313bd3854114245c4df870ea64bcc362add53bda does not contain the Firebreak VA/RSS split and is not the stable image.
- Four-page press brief (PDF)
- Reviewer letter and launch plan (drafts)
- Landscape and portrait 30-second Blender review films with approved narration
- Real candidate8 desktop screenshots and provenance
- Reviewed C8 stress evidence (not a substitute for the remaining 4.0.0 prepublish cases)
Screenshots are candidate8 observations. Do not relabel them as the candidate12 ISO acceptance set.
Upgrade, 45-minute concurrent stress, the full visual matrix, the evidence bundle, and the APT 4.0.0 package snapshot are not claimed. The public APT index may still list 3.5.0-1 first-party packages.
No outbound email or social posting is authorized from this packet.