********* Mongoid 6 ********* .. default-domain:: mongodb .. contents:: On this page :local: :backlinks: none :depth: 2 :class: singlecol This page describes significant changes and improvements in Mongoid 6 releases. The complete list of releases is available `on GitHub `_ and `in JIRA `_; please consult GitHub releases for detailed release notes and JIRA for the complete list of issues fixed in each release, including bug fixes. Upgrading to Mongoid 6 ====================== Mongoid 6 is compatible with Rails 5 and requires Ruby 2.2.2 or higher. Please see the list of behavior changes for version `6.0.0.rc0 `_ and version `6.0.0.beta `_ for specific changes that might be required in your code.