When upgrading rails to 6 beta 1, bundle finds a compatibility issue between meta-tags and actionpack constraint.
Bundler could not find compatible versions for gem "actionpack":
In Gemfile:
meta-tags (~> 2.11) was resolved to 2.11.0, which depends on
actionpack (>= 3.2.0, < 5.3)
When upgrading rails to 6 beta 1, bundle finds a compatibility issue between meta-tags and actionpack constraint.
Bundler could not find compatible versions for gem "actionpack": In Gemfile: meta-tags (~> 2.11) was resolved to 2.11.0, which depends on actionpack (>= 3.2.0, < 5.3)