* 1.0.0-alpha4

  * Added caching of github metadata (faster startup time with custom github VCS repos)

* 1.0.0-alpha3 (2012-05-13)

  * Schema: Added 'require-dev' for development-time requirements (tests, etc), install with --dev
  * Schema: Added author.role to list the author's role in the project
  * Schema: Added 'minimum-stability' + '@<stability>' flags in require for restricting packages to a certain stability
  * Schema: Removed 'recommend'
  * Schema: 'suggest' is now informational and can use any description for a package, not only a constraint
  * Break: vendor/.composer/autoload.php has been moved to vendor/autoload.php, other files are now in vendor/composer/
  * Added caching of repository metadata (faster startup times & failover if packagist is down)
  * Added removal of packages that are not needed anymore
  * Added include_path support for legacy projects that are full of require_once statements
  * Added installation notifications API to allow better statistics on Composer repositories
  * Added support for proxies that require authentication
  * Added support for private github repositories over https
  * Added autoloading support for root packages that use target-dir
  * Added awareness of the root package presence and support for it's provide/replace/conflict keys
  * Added IOInterface::isDecorated to test for colored output support
  * Added validation of licenses based on the [SPDX registry](http://www.spdx.org/licenses/)
  * Improved repository protocol to have large cacheable parts
  * Fixed various bugs relating to package aliasing, proxy configuration, binaries
  * Various bug fixes and docs improvements

* 1.0.0-alpha2 (2012-04-03)

  * Added `create-project` command to install a project from scratch with composer
  * Added automated `classmap` autoloading support for non-PSR-0 compliant projects
  * Added human readable error reporting when deps can not be solved
  * Added support for private GitHub and SVN repositories (use --no-interaction for CI)
  * Added "file" downloader type to download plain files
  * Added support for authentication with svn repositories
  * Added autoload support for PEAR repositories
  * Improved clones from GitHub which now automatically select between git/https/http protocols
  * Improved `validate` command to give more feedback
  * Improved the `search` & `show` commands output
  * Removed dependency on filter_var
  * Various robustness & error handling improvements, docs fixes and more bug fixes

* 1.0.0-alpha1 (2012-03-01)

  * Initial release