MongoDB Ruby Driver v1.3.1

• Fix GridIO#gets infinite loop error (Ryan McGeary)
• Fix BSON::OrderedHash#reject! leaving keys with null values (rpt. by Ben Poweski)
• Minor semantic fix for OrderedHash#reject!
• Fix Mongo::DB to allow symbols in method traversing collection names (rpt. by Chris Griego)
• Support new server regex option "s" (dotall). This is folded in with \m in Ruby.
• Fix so that Cursor#close hits the right node when :read_secondary is enabled.
• Support maxScan, showDiskLoc, and returnKey cursor options.
• Make DB#validate_collection compatible with server v1.9.1.
• Fix so that GridIO#gets returns local md5 with md5 matches server md5 (Steve Tantra).
• Fix bug in BSON::OrderedHash that prevents YAML.load (Ian Warshak).
• Fix example from /examples.
• Ensure that we do not modify hash arguments by calling Hash#dup when appropriate.
• Ensure that JRuby deserializer preserves binary subtypes properly.
• Fix for streaming an empty file into GridFS (Daniël van de Burgt).
• Minor doc fixes.

MongoDB Ruby Driver v1.3.0

• Add option to set timeouts on socket read calls using the
  Mongo::Connection :op_timeout option.
• Add StringIO methods to GridIO objects
• Support for BSON timestamp type with BSON::Timestamp
• Change the BSON binary subtype from 2 to 0
• Remove private method Connection#reset_conection
  and deprecate public method ReplSetConnection#reset_connection
• ByteBuffer#== and OrderedHash#dup (Hongli Lai)
• Better check for UTF8 validity in Ruby 1.9
• Added previously removed Connection#host and Connection#port
• Added transformers to allow Mongo::Cursor to allow instantiated objects (John Nunemaker)
• Automated reconnection on fork
• Added Cursor#next alias for Cursor#next_document
• Audit tests after enabling warnings (Wojciech Piekutowski)
• Various bug fixes thanks to Datanoise, Hongli Lai, and Mauro Pompilio

MongoDB Ruby Driver v1.2.4

• Fix the exception message shown when there's an IOError (Mauro Pompilio)
• Another update to map-reduce docs for v1.8. Note that if you use the new
  output option {:out => {:inline => true}}, then you must also specify
  :raw => true.

MongoDB Ruby Driver v1.2.3

• Update docs for map-reduce command
• Minor doc fix

MongoDB Ruby Driver v1.2.2

• Improved replica set failover for edge case.
• Fix for REE on OSX (Hongli Lai)

MongoDB Ruby Driver v1.2.1

• Enable authentication with connection pooling.
• Allow custom logging with Connection#instrument (CodeMonkeySteve)
• Minor fixes and doc improvements.

MongoDB Ruby Driver v1.2.0

• Some minor improvements. See commit history.

MongoDB Ruby Driver v1.2.rc0

• Lots of cleanup and minor bug fixes.
• Issues resolved: http://jira.mongodb.org/browse/RUBY/fixforversion/10222
• Updated Java BSON to Java driver 2.4.
• Platform gem for JRuby bson.

MongoDB Ruby Driver v1.1.5

• ReplSetConnection class. This must be used for replica set connections from
  now on. You can still use Connection.multi, but that method has been deprecated.
• Automated replica set tests. rake test:rs
• Check that request and response ids match.
• Several bug fixes. See the commit history for details.

MongoDB Ruby Driver v1.1.4

• Important connection failure fix.
• ObjectId#to_s optimization (David Cuadrado).