v1.0.0-rc3

v1.0.0 release candidate no. 3. Very close to v1.0.0 final.

4 PRs merged since v1.0.0-rc2:

(#263) Fix the generation of release PDF
(#261) Fix trivial typo in TOC of spec.md
(#259) Remove old test code
(#257) Fix link to Content Digests

v1.0.0-rc2

v1.0.0 release candidate no. 2. Quite close to v1.0.0 final.

See v1.0.0-rc3 milestone for last minute changes:
https://github.com/opencontainers/distribution-spec/milestone/7

v1.0.0-rc1

Collection of updates over the past 1.5 years, in preparation for v1.0.0 final

v1.0.0-rc0

This initial milestone marks a reference as we begin the march to 1.0.0