This is interesting but Bundler has supported conservative updates (what this screencast depicts) since version 1.14 with bundle update --conservative <gemname>.
bundle update --conservative <gemname>
http://bundler.io/v1.14/whats_new.html
This is interesting but Bundler has supported conservative updates (what this screencast depicts) since version 1.14 with
bundle update --conservative <gemname>.http://bundler.io/v1.14/whats_new.html