Manual recovery for failed image upgrades
A one-time policy repair for images published August 15 through early August 18, 2026.
Announcements
Decisions, changes, and the occasional thing that needs your attention.
Subscribe with RSSBuild transparency: provenance, SBOMs, and changelogs
More ways to see where packages came from and what changed in an image.
Fedora 44 and the LTS kernel update
uCore follows Fedora CoreOS to Fedora 44; the LTS stream moves to longterm 6.18.
A separate LTS stream after a system-extension issue
An overlayfs regression prompted a change to how the kernel streams are organized.
NVIDIA 580 LTS and NVIDIA 590 Open
New driver choices, and the end of redundant ZFS-specific tags.
Fedora 43 with a longterm kernel
The stable image adopted a longterm kernel, with an important Secure Boot requirement.
aarch64 images are available
Multi-architecture manifests select the image for x86_64 or aarch64.
Streamlining the builds
ZFS became part of every uCore image, reducing the need for separate variants.
uCore moves to Fedora 42
The release hold ended after upstream reached kernel 6.14.3.
Waiting on Fedora 42
uCore held the previous release rather than follow upstream to kernel 6.14.0.
uCore moves to Fedora 41
The upstream stable transition brought a broad set of package updates.
Holding kernel 6.11.3
A Tailscale regression led uCore to keep the previous stable kernel.