rspec users - Dec 2010 - rspec-2.3.0 is released

rspec-2.3.0 is released (including rspec, rspec-core, rspec-mocks,
rspec-expecations and rspec-rails).

### rspec-core-2.3.0 / 2010-12-12

[full changelog](http://github.com/rspec/rspec-core/compare/v2.2.1...v2.3.0)

* Enhancements
  * tell autotest to use "rspec2" if it sees a .rspec file in the
project''s
    root directory
    * replaces the need for ./autotest/discover.rb, which will not work with
      all versions of ZenTest and/or autotest
  * config.expect_with
    * :rspec          # => rspec/expectations
    * :stdlib         # => test/unit/assertions
    * :rspec, :stdlib # => both

* Bug fixes
  * fix dev Gemfile to work on non-mac-os machines (Lake Denman)
  * ensure explicit subject is only eval''d once (Laszlo Bacsi)

### rspec-expectations-2.3.0 / 2010-12-12

[full
changelog](http://github.com/rspec/rspec-expectations/compare/v2.2.1...v2.3.0)

* Enhancements
  * diff strings when include matcher fails (Mike Sassak)

### rspec-mocks-2.3.0 / 2010-12-12

[full changelog](http://github.com/rspec/rspec-mocks/compare/v2.2.1...v2.3.0)

* Bug fixes 
  * Fix our Marshal extension so that it does not interfere with objects that
    have their own @mock_proxy instance variable. (Myron Marston)

### rspec-rails-2.3.0 / 2010-12-12

[full changelog](http://github.com/rspec/rspec-rails/compare/v2.2.1...v2.3.0)

* Changes
  * Generator no longer generates autotest/autodiscover.rb, as it is no longer
    needed (as of rspec-core-2.3.0)