Series 2 is here — download Marsh, Pup and Snout Download →

CapivaraOS Series 2 is here

In September we said work was happening behind the scenes and that we could not share details yet. Now we can.

Marsh, Pup and Snout 2.0.0 are available to download.

Series 2 is not Series 1 with newer packages. It is a rebuild on Fedora 45, and almost everything you see has moved or been redone.

Never reinstall again

This is the change that changes daily life the most. From Series 2 on, CapivaraOS upgrades in place — 2.0 to 2.1, and Series 2 to Series 3 when the time comes. No formatting, no reinstalling, no copying your files to another disk first.

It works through Discover, GNOME Software or dnf, like any other update, because that is exactly what it is: our repository is signed and upgrades go through the same verification as everything else. And before each upgrade Snapper takes a snapshot, and that snapshot is what you roll back from.

Series 1 does not have this path. If you are on it, you need to install 2.0 from scratch — this is the last time.

Two new apps

COS Dev Center opens at first boot and asks what you need: local AI running on your own machine, language tracks, dev tools, GitHub set up. You choose, it installs. No terminal.

COS Config Center handles nine things that used to require the command line — codecs, keyboard, language, firewall, disks, network, cleanup, logs, and a diagnostic report to paste on the forum when you ask for help. Both ship preinstalled on all three editions.

And the rest

KDE Plasma 6.8 on Marsh, GNOME 51 on Snout, Xfce 4.20 on Pup. A new visual identity from boot to desktop — Plymouth, GRUB, icons, theme and a wallpaper collection of our own. On Marsh, the wallpaper changes by itself with the time of day.

Herd comes later

The server edition is built and under test, but it ships separately, a little later. Until then Herd 1.0.1 remains the stable release for servers.

How to get it

The ISOs are on the download page, each with its SHA-256.

And what we wrote two weeks ago still holds: the checksum proves the download arrived intact, not who published it. Every ISO ships with a .sha256.asc file — the checksum signed with our key. The download page has the command and the fingerprint. Why the checksum is not enough →

Thank you to everyone who tested the alphas, opened issues and pointed out what was broken. Series 2 has a lot of you in it.

Correction (10 November 2026): the “Never reinstall again” section mentioned Snapper snapshots without saying which editions they apply to. They are the three desktop editions — Marsh, Pup and Snout. Herd, on the default server layout (LVM + xfs), takes no automatic snapshot; its recovery path is backup and restore. How Herd updates and recovers →