I would also like to know if this is possible - we currently tag our images with two tags - a commit SHA and a semantic version. I need to be able to find out the semantic version given a commit SHA and vice versa - at the moment the v2/repo/tags/list returns all tags with no way I can see to group them together to identify an image. Perhaps tags could be included in the manifest?
A workaround may be to combine the commit SHA and semantic version together into a single tag.