1### [1.2.4] - 2016-12-06
2
3  * Fixed regression in output handling of scripts from 1.2.3
4  * Fixed support for LibreSSL detection as lib-openssl
5  * Fixed issue with Zend Guard in the autoloader bootstrapping
6  * Fixed support for loading partial provider repositories
7
8### [1.2.3] - 2016-12-01
9
10  * Fixed bug in HgDriver failing to identify BitBucket repositories
11  * Fixed support for loading partial provider repositories
12
13### [1.2.2] - 2016-11-03
14
15  * Fixed selection of packages based on stability to be independent from package repository order
16  * Fixed POST_DEPENDENCIES_SOLVING not containing some operations in edge cases
17  * Fixed issue handling GitLab URLs containing dots and other special characters
18  * Fixed issue on Windows when running composer at the root of a drive
19  * Minor fixes
20
21### [1.2.1] - 2016-09-12
22
23  * Fixed edge case issues with the static autoloader
24  * Minor fixes
25
26### [1.2.0] - 2016-07-19
27
28  * Security: Fixed [httpoxy](https://httpoxy.org/) vulnerability
29  * Fixed `home` command to avoid rogue output on unix
30  * Fixed output of git clones to clearly state when clones are from cache
31  * (from 1.2 RC) Fixed ext-network-ipv6 to be php-ipv6
32
33### [1.2.0-RC] - 2016-07-04
34
35  * Added caching of git repositories if you have git 2.3+ installed. Repositories will now be cached once and then cloned from local cache so subsequent installs should be faster
36  * Added detection of HEAD changes to the `status` command. If you `git checkout X` in a vendor directory for example it will tell you that it is not at the version that was installed
37  * Added a virtual `php-ipv6` extension to require PHP compiled with IPv6 support
38  * Added `--no-suggest` to `install` and `update` commands to skip output of suggestions at the end
39  * Added `--type` to the `search` command to restrict to a given package type
40  * Added fossil support as alternative to git/svn/.. for package downloads
41  * Improved BitBucket OAuth support
42  * Added support for blocking cache operations using COMPOSER_CACHE_DIR=/dev/null (or NUL on windows)
43  * Added support for using declare(strict_types=1) in plugins
44  * Added `--prefer-stable` and `--prefer-lowest` to the `require` command
45  * Added `--no-scripts` to the `require` and `remove` commands
46  * Added `_comment` top level key to the schema to endorse using it as a place to store comments (it can be a string or array of strings)
47  * Added support for justinrainbow/json-schema 2.0
48  * Fixed binaries not being re-installed if deleted by users or the bin-dir changes. `update` and `install` will now re-install them
49  * Many minor UX and docs improvements
50
51### [1.1.3] - 2016-06-26
52
53  * Fixed bitbucket oauth instructions
54  * Fixed version parsing issue
55  * Fixed handling of bad proxies that modify JSON content on the fly
56
57### [1.1.2] - 2016-05-31
58
59  * Fixed degraded mode issue when accessing packagist.org
60  * Fixed GitHub access_token being added on subsequent requests in case of redirections
61  * Fixed exclude-from-classmap not working in some circumstances
62  * Fixed openssl warning preventing the use of config command for disabling tls
63
64### [1.1.1] - 2016-05-17
65
66  * Fixed regression in handling of #reference which made it update every time
67  * Fixed dev platform requirements being required even in --no-dev install from a lock file
68  * Fixed parsing of extension versions that do not follow valid numbers, we now try to parse x.y.z and ignore the rest
69  * Fixed exact constraints warnings appearing for 0.x versions
70  * Fixed regression in the `remove` command
71
72### [1.1.0] - 2016-05-10
73
74  * Added fallback to SSH for https bitbucket URLs
75  * Added BaseCommand::isProxyCommand that can be overridden to mark a command as being a mere proxy, which helps avoid duplicate warnings etc on composer startup
76  * Fixed archiving generating long paths in zip files on Windows
77
78### [1.1.0-RC] - 2016-04-29
79
80  * Added ability for plugins to register their own composer commands
81  * Optimized the autoloader initialization using static loading on PHP 5.6 and above, this reduces the load time for large classmaps to almost nothing
82  * Added `--latest` to `show` command to show the latest version available of your dependencies
83  * Added `--outdated` to `show` command an `composer outdated` alias for it, to show only packages in need of update
84  * Added `--direct` to `show` and `outdated` commands to show only your direct dependencies in the listing
85  * Added support for editing all top-level properties (name, minimum-stability, ...) as well as extra values via the `config` command
86  * Added abandoned state warning to the `show` and `outdated` commands when listing latest packages
87  * Added support for `~/` and `$HOME/` in the path repository paths
88  * Added support for wildcards in the `show` command package filter, e.g. `composer show seld/*`
89  * Added ability to call composer itself from scripts via `@composer ...`
90  * Added untracked files detection to the `status` command
91  * Added warning to `validate` command when using exact-version requires
92  * Added warning once per domain when accessing insecure URLs with secure-http disabled
93  * Added a dependency on composer/ca-bundle (extracted CA bundle management to a standalone lib)
94  * Added support for empty directories when archiving to tar
95  * Added an `init` event for plugins to react to, which occurs right after a Composer instance is fully initialized
96  * Added many new detections of problems in the `why-not`/`prohibits` command to figure out why something does not get installed in the expected version
97  * Added a deprecation notice for script event listeners that use legacy script classes
98  * Fixed abandoned state not showing up if you had a package installed before it was marked abandoned
99  * Fixed --no-dev updates creating an incomplete lock file, everything is now always resolved on update
100  * Fixed partial updates in case the vendor dir was not up to date with the lock file
101
102### [1.0.3] - 2016-04-29
103
104  * Security: Fixed possible command injection from the env vars into our sudo detection
105  * Fixed interactive authentication with gitlab
106  * Fixed class name replacement in plugins
107  * Fixed classmap generation mistakenly detecting anonymous classes
108  * Fixed auto-detection of stability flags in complex constraints like `2.0-dev || ^1.5`
109  * Fixed content-length handling when redirecting to very small responses
110
111### [1.0.2] - 2016-04-21
112
113  * Fixed regression in 1.0.1 on systems with mbstring.func_overload enabled
114  * Fixed regression in 1.0.1 that made dev packages update to the latest reference even if not whitelisted in a partial update
115  * Fixed init command ignoring the COMPOSER env var for choosing the json file name
116  * Fixed error reporting bug when the dependency resolution fails
117  * Fixed handling of `$` sign in composer config command in some cases it could corrupt the json file
118
119### [1.0.1] - 2016-04-18
120
121  * Fixed URL updating when a package's URL changes, composer.lock now contains the right URL including correct reference
122  * Fixed URL updating of the origin git remote as well for packages installed as git clone
123  * Fixed binary .bat files generated from linux being incompatible with windows cmd
124  * Fixed handling of paths with trailing slashes in path repository
125  * Fixed create-project not using platform config when selecting a package
126  * Fixed self-update not showing the channel it uses to perform the update
127  * Fixed file downloads not failing loudly when the content does not match the Content-Length header
128  * Fixed secure-http detecting some malformed URLs as insecure
129  * Updated CA bundle
130
131### [1.0.0] - 2016-04-05
132
133  * Added support for bitbucket-oauth configuration
134  * Added warning when running composer as super user, set COMPOSER_ALLOW_SUPERUSER=1 to hide the warning if you really must
135  * Added PluginManager::getGlobalComposer getter to retrieve the global instance (which can be null!)
136  * Fixed dependency solver error reporting in many cases it now shows you proper errors instead of just saying a package does not exist
137  * Fixed output of failed downloads appearing as 100% done instead of Failed
138  * Fixed handling of empty directories when archiving, they are not skipped anymore
139  * Fixed installation of broken plugins corrupting the vendor state when combined with symlinked path repositories
140
141### [1.0.0-beta2] - 2016-03-27
142
143  * Break: The `install` command now turns into an `update` command automatically if you have no composer.lock. This was done only half-way before which caused inconsistencies
144  * Break: By default the `remove` command now removes dependencies as well, and --update-with-dependencies is deprecated. Use --no-update-with-dependencies to get old behavior
145  * Added support for update channels in `self-update`. All users will now update to stable builds by default. Run `self-update` with `--snapshot`, `--preview` or `--stable` to switch between update channels.
146  * Added support for SSL_CERT_DIR env var and openssl.capath ini value
147  * Added some conflict detection in `why-not` command
148  * Added suggestion of root package's suggests in `create-project` command
149  * Fixed `create-project` ignoring --ignore-platform-reqs when choosing a version of the package
150  * Fixed `search` command in a directory without composer.json
151  * Fixed path repository handling of symlinks on windows
152  * Fixed PEAR repo handling to prefer HTTPS mirrors over HTTP ones
153  * Fixed handling of Path env var on Windows, only PATH was accepted before
154  * Small error reporting and docs improvements
155
156### [1.0.0-beta1] - 2016-03-03
157
158  * Break: By default we now disable any non-secure protocols (http, git, svn). This may lead to issues if you rely on those. See `secure-http` config option.
159  * Break: `show` / `list` command now only show installed packages by default. An `--all` option is added to show all packages.
160  * Added VCS repo support for the GitLab API, see also `gitlab-oauth` and `gitlab-domains` config options
161  * Added `prohibits` / `why-not` command to show what blocks an upgrade to a given package:version pair
162  * Added --tree / -t to the `show` command to see all your installed packages in a tree view
163  * Added --interactive / -i to the `update` command, which lets you pick packages to update interactively
164  * Added `exec` command to run binaries while having bin-dir in the PATH for convenience
165  * Added --root-reqs to the `update` command to update only your direct, first degree dependencies
166  * Added `cafile` and `capath` config options to control HTTPS certificate authority
167  * Added pubkey verification of composer.phar when running self-update
168  * Added possibility to configure per-package `preferred-install` types for more flexibility between prefer-source and prefer-dist
169  * Added unpushed-changes detection when updating dependencies and in the `status` command
170  * Added COMPOSER_AUTH env var that lets you pass a json configuration like the auth.json file
171  * Added `secure-http` and `disable-tls` config options to control HTTPS/HTTP
172  * Added warning when Xdebug is enabled as it reduces performance quite a bit, hide it with COMPOSER_DISABLE_XDEBUG_WARN=1 if you must
173  * Added duplicate key detection when loading composer.json
174  * Added `sort-packages` config option to force sorting of the requirements when using the `require` command
175  * Added support for the XDG Base Directory spec on linux
176  * Added XzDownloader for xz file support
177  * Fixed SSL support to fully verify peers in all PHP versions, unsecure HTTP is also disabled by default
178  * Fixed stashing and cleaning up of untracked files when updating packages
179  * Fixed plugins being enabled after installation even when --no-plugins
180  * Many small bug fixes and additions
181
182### [1.0.0-alpha11] - 2015-11-14
183
184  * Added config.platform to let you specify what your target environment looks like and make sure you do not inadvertently install dependencies that would break it
185  * Added `exclude-from-classmap` in the autoload config that lets you ignore sub-paths of classmapped directories, or psr-0/4 directories when building optimized autoloaders
186  * Added `path` repository type to install/symlink packages from local paths
187  * Added possibility to reference script handlers from within other handlers using @script-name to reduce duplication
188  * Added `suggests` command to show what packages are suggested, use -v to see more details
189  * Added `content-hash` inside the composer.lock to restrict the warnings about outdated lock file to some specific changes in the composer.json file
190  * Added `archive-format` and `archive-dir` config options to specify default values for the archive command
191  * Added --classmap-authoritative to `install`, `update`, `require`, `remove` and `dump-autoload` commands, forcing the optimized classmap to be authoritative
192  * Added -A / --with-dependencies to the `validate` command to allow validating all your dependencies recursively
193  * Added --strict to the `validate` command to treat any warning as an error that then returns a non-zero exit code
194  * Added a dependency on composer/semver, which is the externalized lib for all the version constraints parsing and handling
195  * Added support for classmap autoloading to load plugin classes and script handlers
196  * Added `bin-compat` config option that if set to `full` will create .bat proxy for binaries even if Composer runs in a linux VM
197  * Added SPDX 2.0 support, and externalized that in a composer/spdx-licenses lib
198  * Added warnings when the classmap autoloader finds duplicate classes
199  * Added --file to the `archive` command to choose the filename
200  * Added Ctrl+C handling in create-project to cancel the operation cleanly
201  * Fixed version guessing to use ^ always, default to stable versions, and avoid versions that require a higher php version than you have
202  * Fixed the lock file switching back and forth between old and new URL when a package URL is changed and many people run updates
203  * Fixed partial updates updating things they shouldn't when the current vendor dir was out of date with the lock file
204  * Fixed PHAR file creation to be more reproducible and always generate the exact same phar file from a given source
205  * Fixed issue when checking out git branches or tags that are also the name of a file in the repo
206  * Many minor fixes and documentation additions and UX improvements
207
208### [1.0.0-alpha10] - 2015-04-14
209
210  * Break: The following event classes are deprecated and you should update your script handlers to use the new ones in type hints:
211    - `Composer\Script\CommandEvent` is deprecated, use `Composer\Script\Event`
212    - `Composer\Script\PackageEvent` is deprecated, use `Composer\Installer\PackageEvent`
213  * Break: Output is now split between stdout and stderr. Any irrelevant output to each command is on stderr as per unix best practices.
214  * Added support for npm-style semver operators (`^` and `-` ranges, ` ` = AND, `||` = OR)
215  * Added --prefer-lowest to `update` command to allow testing a package with the lowest declared dependencies
216  * Added support for parsing semver build metadata `+anything` at the end of versions
217  * Added --sort-packages option to `require` command for sorting dependencies
218  * Added --no-autoloader to `install` and `update` commands to skip autoload generation
219  * Added --list to `run-script` command to see available scripts
220  * Added --absolute to `config` command to get back absolute paths
221  * Added `classmap-authoritative` config option, if enabled only the classmap info will be used by the composer autoloader
222  * Added support for branch-alias on numeric branches
223  * Added support for the `https_proxy`/`HTTPS_PROXY` env vars used only for https URLs
224  * Added support for using real composer repos as local paths in `create-project` command
225  * Added --no-dev to `licenses` command
226  * Added support for PHP 7.0 nightly builds
227  * Fixed detection of stability when parsing multiple constraints
228  * Fixed installs from lock file containing updated composer.json requirement
229  * Fixed the autoloader suffix in vendor/autoload.php changing in every build
230  * Many minor fixes, documentation additions and UX improvements
231
232### [1.0.0-alpha9] - 2014-12-07
233
234  * Added `remove` command to do the reverse of `require`
235  * Added --ignore-platform-reqs to `install`/`update` commands to install even if you are missing a php extension or have an invalid php version
236  * Added a warning when abandoned packages are being installed
237  * Added auto-selection of the version constraint in the `require` command, which can now be used simply as `composer require foo/bar`
238  * Added ability to define custom composer commands using scripts
239  * Added `browse` command to open a browser to the given package's repo URL (or homepage with `-H`)
240  * Added an `autoload-dev` section to declare dev-only autoload rules + a --no-dev flag to dump-autoload
241  * Added an `auth.json` file, with `store-auths` config option
242  * Added a `http-basic` config option to store login/pwds to hosts
243  * Added failover to source/dist and vice-versa in case a download method fails
244  * Added --path (-P) flag to the show command to see the install path of packages
245  * Added --update-with-dependencies and --update-no-dev flags to the require command
246  * Added `optimize-autoloader` config option to force the `-o` flag from the config
247  * Added `clear-cache` command
248  * Added a GzipDownloader to download single gzipped files
249  * Added `ssh` support in the `github-protocols` config option
250  * Added `pre-dependencies-solving` and `post-dependencies-solving` events
251  * Added `pre-archive-cmd` and `post-archive-cmd` script events to the `archive` command
252  * Added a `no-api` flag to GitHub VCS repos to skip the API but still get zip downloads
253  * Added http-basic auth support for private git repos not on github
254  * Added support for autoloading `.hh` files when running HHVM
255  * Added support for PHP 5.6
256  * Added support for OTP auth when retrieving a GitHub API key
257  * Fixed isolation of `files` autoloaded scripts to ensure they can not affect anything
258  * Improved performance of solving dependencies
259  * Improved SVN and Perforce support
260  * A boatload of minor fixes, documentation additions and UX improvements
261
262### [1.0.0-alpha8] - 2014-01-06
263
264  * Break: The `install` command now has --dev enabled by default. --no-dev can be used to install without dev requirements
265  * Added `composer-plugin` package type to allow extensibility, and deprecated `composer-installer`
266  * Added `psr-4` autoloading support and deprecated `target-dir` since it is a better alternative
267  * Added --no-plugins flag to replace --no-custom-installers where available
268  * Added `global` command to operate Composer in a user-global directory
269  * Added `licenses` command to list the license of all your dependencies
270  * Added `pre-status-cmd` and `post-status-cmd` script events to the `status` command
271  * Added `post-root-package-install` and `post-create-project-cmd` script events to the `create-project` command
272  * Added `pre-autoload-dump` script event
273  * Added --rollback flag to self-update
274  * Added --no-install flag to create-project to skip installing the dependencies
275  * Added a `hhvm` platform package to require Facebook's HHVM implementation of PHP
276  * Added `github-domains` config option to allow using GitHub Enterprise with Composer's GitHub support
277  * Added `prepend-autoloader` config option to allow appending Composer's autoloader instead of the default prepend behavior
278  * Added Perforce support to the VCS repository
279  * Added a vendor/composer/autoload_files.php file that lists all files being included by the files autoloader
280  * Added support for the `no_proxy` env var and other proxy support improvements
281  * Added many robustness tweaks to make sure zip downloads work more consistently and corrupted caches are invalidated
282  * Added the release date to `composer -V` output
283  * Added `autoloader-suffix` config option to allow overriding the randomly generated autoloader class suffix
284  * Fixed BitBucket API usage
285  * Fixed parsing of inferred stability flags that are more stable than the minimum stability
286  * Fixed installation order of plugins/custom installers
287  * Fixed tilde and wildcard version constraints to be more intuitive regarding stabilities
288  * Fixed handling of target-dir changes when updating packages
289  * Improved performance of the class loader
290  * Improved memory usage and performance of solving dependencies
291  * Tons of minor bug fixes and improvements
292
293### [1.0.0-alpha7] - 2013-05-04
294
295  * Break: For forward compatibility, you should change your deployment scripts to run `composer install --no-dev`. The install command will install dev dependencies by default starting in the next release
296  * Break: The `update` command now has --dev enabled by default. --no-dev can be used to update without dev requirements, but it will create an incomplete lock file and is discouraged
297  * Break: Removed support for lock files created before 2012-09-15 due to their outdated unusable format
298  * Added `prefer-stable` flag to pick stable packages over unstable ones when possible
299  * Added `preferred-install` config option to always enable --prefer-source or --prefer-dist
300  * Added `diagnose` command to to system/network checks and find common problems
301  * Added wildcard support in the update whitelist, e.g. to update all packages of a vendor do `composer update vendor/*`
302  * Added `archive` command to archive the current directory or a given package
303  * Added `run-script` command to manually trigger scripts
304  * Added `proprietary` as valid license identifier for non-free code
305  * Added a `php-64bit` platform package that you can require to force a 64bit php
306  * Added a `lib-ICU` platform package
307  * Added a new official package type `project` for project-bootstrapping packages
308  * Added zip/dist local cache to speed up repetitive installations
309  * Added `post-autoload-dump` script event
310  * Added `Event::getDevMode` to let script handlers know if dev requirements are being installed
311  * Added `discard-changes` config option to control the default behavior when updating "dirty" dependencies
312  * Added `use-include-path` config option to make the autoloader look for files in the include path too
313  * Added `cache-ttl`, `cache-files-ttl` and `cache-files-maxsize` config option
314  * Added `cache-dir`, `cache-files-dir`, `cache-repo-dir` and `cache-vcs-dir` config option
315  * Added support for using http(s) authentication to non-github repos
316  * Added support for using multiple autoloaders at once (e.g. PHPUnit + application both using Composer autoloader)
317  * Added support for .inc files for classmap autoloading (legacy support, do not do this on new projects!)
318  * Added support for version constraints in show command, e.g. `composer show monolog/monolog 1.4.*`
319  * Added support for svn repositories containing packages in a deeper path (see package-path option)
320  * Added an `artifact` repository to scan a directory containing zipped packages
321  * Added --no-dev flag to `install` and `update` commands
322  * Added --stability (-s) flag to create-project to lower the required stability
323  * Added --no-progress to `install` and `update` to hide the progress indicators
324  * Added --available (-a) flag to the `show` command to display only available packages
325  * Added --name-only (-N) flag to the `show` command to show only package names (one per line, no formatting)
326  * Added --optimize-autoloader (-o) flag to optimize the autoloader from the `install` and `update` commands
327  * Added -vv and -vvv flags to get more verbose output, can be useful to debug some issues
328  * Added COMPOSER_NO_INTERACTION env var to do the equivalent of --no-interaction (should be set on build boxes, CI, PaaS)
329  * Added PHP 5.2 compatibility to the autoloader configuration files so they can be used to configure another autoloader
330  * Fixed handling of platform requirements of the root package when installing from lock
331  * Fixed handling of require-dev dependencies
332  * Fixed handling of unstable packages that should be downgraded to stable packages when updating to new version constraints
333  * Fixed parsing of the `~` operator combined with unstable versions
334  * Fixed the `require` command corrupting the json if the new requirement was invalid
335  * Fixed support of aliases used together with `<version>#<reference>` constraints
336  * Improved output of dependency solver problems by grouping versions of a package together
337  * Improved performance of classmap generation
338  * Improved mercurial support in various places
339  * Improved lock file format to minimize unnecessary diffs
340  * Improved the `config` command to support all options
341  * Improved the coverage of the `validate` command
342  * Tons of minor bug fixes and improvements
343
344### [1.0.0-alpha6] - 2012-10-23
345
346  * Schema: Added ability to pass additional options to repositories (i.e. ssh keys/client certificates to secure private repos)
347  * Schema: Added a new `~` operator that should be preferred over `>=`, see http://getcomposer.org/doc/01-basic-usage.md#package-versions
348  * Schema: Version constraints `<x.y` are assumed to be `<x.y-dev` unless specified as `<x.y-stable` to reduce confusion
349  * Added `config` command to edit/list config values, including --global switch for system config
350  * Added OAuth token support for the GitHub API
351  * Added ability to specify CLI commands as scripts in addition to PHP callbacks
352  * Added --prefer-dist flag to force installs of dev packages from zip archives instead of clones
353  * Added --working-dir (-d) flag to change the working directory
354  * Added --profile flag to all commands to display execution time and memory usage
355  * Added `github-protocols` config key to define the order of preferred protocols for github.com clones
356  * Added ability to interactively reset changes to vendor dirs while updating
357  * Added support for hg bookmarks in the hg driver
358  * Added support for svn repositories not following the standard trunk/branch/tags scheme
359  * Fixed git clones of dev versions so that you end up on a branch and not in detached HEAD
360  * Fixed "Package not installed" issues with --dev installs
361  * Fixed the lock file format to be a snapshot of all the package info at the time of update
362  * Fixed order of autoload requires to follow package dependencies
363  * Fixed rename() failures with "Access denied" on windows
364  * Improved memory usage to be more reasonable and not grow with the repository size
365  * Improved performance and memory usage of installs from composer.lock
366  * Improved performance of a few essential code paths
367  * Many bug small fixes and docs improvements
368
369### [1.0.0-alpha5] - 2012-08-18
370
371  * Added `dump-autoload` command to only regenerate the autoloader
372  * Added --optimize to `dump-autoload` to generate a more performant classmap-based autoloader for production
373  * Added `status` command to show if any source-installed dependency has local changes, use --verbose to see changed files
374  * Added --verbose flag to `install` and `update` that shows the new commits when updating source-installed dependencies
375  * Added --no-update flag to `require` to only modify the composer.json file but skip the update
376  * Added --no-custom-installers and --no-scripts to `install`, `update` and `create-project` to prevent all automatic code execution
377  * Added support for installing archives that contain only a single file
378  * Fixed APC related issues in the autoload script on high load websites
379  * Fixed installation of branches containing capital letters
380  * Fixed installation of custom dev versions/branches
381  * Improved the coverage of the `validate` command
382  * Improved PEAR scripts/binaries support
383  * Improved and fixed the output of various commands
384  * Improved error reporting on network failures and some other edge cases
385  * Various minor bug fixes and docs improvements
386
387### [1.0.0-alpha4] - 2012-07-04
388
389  * Break: The default `minimum-stability` is now `stable`, [read more](https://groups.google.com/d/topic/composer-dev/_g3ASeIFlrc/discussion)
390  * Break: Custom installers now receive the IO instance and a Composer instance in their constructor
391  * Schema: Added references for dev versions, requiring `dev-master#abcdef` for example will force the abcdef commit
392  * Schema: Added `support` key with some more metadata (email, issues, forum, wiki, irc, source)
393  * Schema: Added `!=` operator for version constraints in `require`/`require-dev`
394  * Added a recommendation for package names to be `lower-cased/with-dashes`, it will be enforced for new packages on Pacakgist
395  * Added `require` command to add a package to your requirements and install it
396  * Added a whitelist to `update`. Calling `composer update foo/bar foo/baz` allows you to update only those packages
397  * Added support for overriding repositories in the system config (define repositories in ~/.composer/config.json)
398  * Added `lib-*` packages to the platform repository, e.g. `lib-pcre` contains the pcre version
399  * Added caching of GitHub metadata (faster startup time with custom GitHub VCS repos)
400  * Added caching of SVN metadata (faster startup time with custom SVN VCS repos)
401  * Added support for file:// URLs to GitDriver
402  * Added --self flag to the `show` command to display the infos of the root package
403  * Added --dev flag to `create-project` command
404  * Added --no-scripts to `install` and `update` commands to avoid triggering the scripts
405  * Added `COMPOSER_ROOT_VERSION` env var to specify the version of the root package (fixes some edge cases)
406  * Added support for multiple custom installers in one package
407  * Added files autoloading method which requires files on every request, e.g. to load functional code
408  * Added automatic recovery for lock files that contain references to rewritten (force pushed) commits
409  * Improved PEAR repositories support and package.xml extraction
410  * Improved and fixed the output of various commands
411  * Fixed the order of installation of requirements (they are always installed before the packages requiring them)
412  * Cleaned up / refactored the dependency solver code as well as the output for unsolvable requirements
413  * Various bug fixes and docs improvements
414
415### [1.0.0-alpha3] - 2012-05-13
416
417  * Schema: Added `require-dev` for development-time requirements (tests, etc), install with --dev
418  * Schema: Added author.role to list the author's role in the project
419  * Schema: Added `minimum-stability` + `@<stability>` flags in require for restricting packages to a certain stability
420  * Schema: Removed `recommend`
421  * Schema: `suggest` is now informational and can use any description for a package, not only a constraint
422  * Break: vendor/.composer/autoload.php has been moved to vendor/autoload.php, other files are now in vendor/composer/
423  * Added caching of repository metadata (faster startup times & failover if packagist is down)
424  * Added removal of packages that are not needed anymore
425  * Added include_path support for legacy projects that are full of require_once statements
426  * Added installation notifications API to allow better statistics on Composer repositories
427  * Added support for proxies that require authentication
428  * Added support for private github repositories over https
429  * Added autoloading support for root packages that use target-dir
430  * Added awareness of the root package presence and support for it's provide/replace/conflict keys
431  * Added IOInterface::isDecorated to test for colored output support
432  * Added validation of licenses based on the [SPDX registry](http://www.spdx.org/licenses/)
433  * Improved repository protocol to have large cacheable parts
434  * Fixed various bugs relating to package aliasing, proxy configuration, binaries
435  * Various bug fixes and docs improvements
436
437### [1.0.0-alpha2] - 2012-04-03
438
439  * Added `create-project` command to install a project from scratch with composer
440  * Added automated `classmap` autoloading support for non-PSR-0 compliant projects
441  * Added human readable error reporting when deps can not be solved
442  * Added support for private GitHub and SVN repositories (use --no-interaction for CI)
443  * Added "file" downloader type to download plain files
444  * Added support for authentication with svn repositories
445  * Added autoload support for PEAR repositories
446  * Improved clones from GitHub which now automatically select between git/https/http protocols
447  * Improved `validate` command to give more feedback
448  * Improved the `search` & `show` commands output
449  * Removed dependency on filter_var
450  * Various robustness & error handling improvements, docs fixes and more bug fixes
451
452### 1.0.0-alpha1 - 2012-03-01
453
454  * Initial release
455
456[1.2.4]: https://github.com/composer/composer/compare/1.2.3...1.2.4
457[1.2.3]: https://github.com/composer/composer/compare/1.2.2...1.2.3
458[1.2.2]: https://github.com/composer/composer/compare/1.2.1...1.2.2
459[1.2.1]: https://github.com/composer/composer/compare/1.2.0...1.2.1
460[1.2.0]: https://github.com/composer/composer/compare/1.2.0-RC...1.2.0
461[1.2.0-RC]: https://github.com/composer/composer/compare/1.1.3...1.2.0-RC
462[1.1.3]: https://github.com/composer/composer/compare/1.1.2...1.1.3
463[1.1.2]: https://github.com/composer/composer/compare/1.1.1...1.1.2
464[1.1.1]: https://github.com/composer/composer/compare/1.1.0...1.1.1
465[1.1.0]: https://github.com/composer/composer/compare/1.0.3...1.1.0
466[1.1.0-RC]: https://github.com/composer/composer/compare/1.0.3...1.1.0-RC
467[1.0.3]: https://github.com/composer/composer/compare/1.0.2...1.0.3
468[1.0.2]: https://github.com/composer/composer/compare/1.0.1...1.0.2
469[1.0.1]: https://github.com/composer/composer/compare/1.0.0...1.0.1
470[1.0.0]: https://github.com/composer/composer/compare/1.0.0-beta2...1.0.0
471[1.0.0-beta2]: https://github.com/composer/composer/compare/1.0.0-beta1...1.0.0-beta2
472[1.0.0-beta1]: https://github.com/composer/composer/compare/1.0.0-alpha11...1.0.0-beta1
473[1.0.0-alpha11]: https://github.com/composer/composer/compare/1.0.0-alpha10...1.0.0-alpha11
474[1.0.0-alpha10]: https://github.com/composer/composer/compare/1.0.0-alpha9...1.0.0-alpha10
475[1.0.0-alpha9]: https://github.com/composer/composer/compare/1.0.0-alpha8...1.0.0-alpha9
476[1.0.0-alpha8]: https://github.com/composer/composer/compare/1.0.0-alpha7...1.0.0-alpha8
477[1.0.0-alpha7]: https://github.com/composer/composer/compare/1.0.0-alpha6...1.0.0-alpha7
478[1.0.0-alpha6]: https://github.com/composer/composer/compare/1.0.0-alpha5...1.0.0-alpha6
479[1.0.0-alpha5]: https://github.com/composer/composer/compare/1.0.0-alpha4...1.0.0-alpha5
480[1.0.0-alpha4]: https://github.com/composer/composer/compare/1.0.0-alpha3...1.0.0-alpha4
481[1.0.0-alpha3]: https://github.com/composer/composer/compare/1.0.0-alpha2...1.0.0-alpha3
482[1.0.0-alpha2]: https://github.com/composer/composer/compare/1.0.0-alpha1...1.0.0-alpha2
483