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Go modules · #1903 by repository stars
Last release 6 months ago
15 Mar 2026
Release timing varies
gaps range from 8 days to 3 months
Nearly every release is documented
notes for 14 of 14 stable releases
Nothing withdrawn
no release was ever pulled
10 years old
912 releases · first in 2016
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umoci now passes all of the requirements for the [CII best practices bading program][cii]. opencontainers/umoci#134
umoci now passes all of the requirements for the CII best practices bading
program. opencontainers/umoci#134umoci also now has more extensive architecture, quick-start and roadmap
documentation. opencontainers/umoci#134umoci now supports 1.0.0 of the OCI image
specification and 1.0.0 of the OCI runtime
specification, which are the first milestone release. Note
that there are still some remaining UX issues with --image and other parts
of umoci which may be subject to change in future versions. In particular,
this update of the specification now means that images may have ambiguous
tags. umoci will warn you if an operation may have an ambiguous result, but
we plan to improve this functionality far more in the future.
opencontainers/umoci#133 opencontainers/umoci#142umoci also now supports more complicated descriptor walk structures, and
also handles mutation of such structures more sanely. At the moment, this
functionality has not been used "in the wild" and umoci doesn't have the UX
to create such structures (yet) but these will be implemented in future
versions. opencontainers/umoci#145umoci repack now supports --mask-path to ignore changes in the rootfs
that are in a child of at least one of the provided masks when generating new
layers. opencontainers/umoci#127github.com/opencontainers/umoci/oci/cas/drivers/dir actually
make sense now. opencontainers/umoci#121umoci unpack now generates config.json blobs according to the still
proposed OCI image specification conversion document.
opencontainers/umoci#120umoci repack also now automatically adding Config.Volumes from the image
configuration to the set of masked paths. This matches recently added
recommendations by the spec, but is a backwards-incompatible
change because the new default is that Config.Volumes will be masked.
If you wish to retain the old semantics, use --no-mask-volumes (though make
sure to be aware of the reasoning behind Config.Volume masking).
opencontainers/umoci#127umoci now uses SecureJoin rather than a patched version of
FollowSymlinkInScope. The two implementations are roughly equivalent, but
SecureJoin has a nicer API and is maintained as a separate project.golang.org/x/sys/unix over syscall where possible,
which makes the codebase significantly cleaner. opencontainers/umoci#141Nothing published for this version
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