This is a preview release of the next feature release of the Ruby MongoDB driver which will support MongoDB server 4.4.

The following changes have been made since 2.13.0.beta1:

• RUBY-1865 Support per-CRUD operation write options
• RUBY-2209 Support for 'authorizedDatabases' option
• RUBY-2317 Treat CursorNotFound as a resumable change stream error
• RUBY-2143 Pass through all options to listCollections command
• RUBY-2132 Reduce Client Time To Recovery On Topology Changes
• RUBY-2320 Configure how many backtrace lines are shown in monitor exceptions
• RUBY-2280 Make empty hash optional to count_documents
• RUBY-2165 Yield client to block from constructor
• RUBY-1262 Support block form for using a session
• RUBY-2305 Provide diagnostics when deployment does not support sessions

The following bugs were fixed:

• RUBY-2242 zlib compression broken in driver 2.12.1
• RUBY-2295 Collation option in view not included in count_documents
• RUBY-2321 Timeout of 0 should mean no timeout