docker/docker — pull request #8595 by fredlf (2014-10-15 23:12:49+00:00)
Title: Expanded release notes

Made it clear signed images is a preview feature and added a little more info about how the feature works. According to @sj, no further doc is required at this time, but that may change if users are confused.

Docker-DCO-1.1-Signed-off-by: Fred Lifton (github: fredlf)