7.3.0

This feature release of Mongoid adds the following new functionality:

• MONGOID-5036 Delegate to driver's query cache middleware when available
• MONGOID-4812 Allow id to be a regular field in models (not an alias of _id)
• MONGOID-4906 Add missing general-purpose operators to embedded matchers
• MONGOID-4757 Mongoid now warns about unknown options given at top level in YAML configuration

The following significant changes were made:

• MONGOID-4753 Make global Boolean definition opt-in
• MONGOID-3468 Always touch parents of embedded documents when embedded documents are touched
• MONGOID-5023 Expand all conditions in a single argument together in where path
• MONGOID-4706 Remove the internal Targets module
• MONGOID-5060 #delete no longer causes dependent associations to be destroyed
• MONGOID-5073 Mongoid.purge! and Mongoid.truncate respect global persistence context overrides

The following bugs were fixed:

• MONGOID-4982 Cannot update a field on embedded association member, add another member and add a nested association to the first member in the same save call
• MONGOID-5020 Condition lifting breaks with symbol operators on Ruby <= 2.6
• MONGOID-5032 Hash attribute access/read_attribute fails on embedded field when parent loaded with only

Please see the upgrading documentation for more detailed descriptions of the changes.