The change log describes what is "Added", "Removed", "Changed" or "Fixed" between each release.

• Stable support for graphql api (V4) (#593)
• Stable support for apps (previously integrations) (#592)

• Incorrect link in repository search docs (#594)

• Integrations::configure to allow accessing early access program endpoints.
• Add support for pagination and parameters in the pull request comments
• Add the ability to fetch user installations (CurrentUser::installations)
• Allow getting repo info by id (Repo::showById)
• Allow fetching repositories for a specific installation and user (CurrentUser::repositoriesByInstallation)

• PullRequest\Review and PullRequest\ReviewRequest is now part of the official API. No need to call configure.

• Issue where we serve the wrong cached response. We vary on authorization header now.

• PullRequest::status
• Throw InvalidArgumentException on PullRequest::merge when wrong merge method is used.
• Added Protection::configure

• First argument to Integrations::listRepositories() is now optional.
• Moved tests from "functional" to "integration"

• API support for Pull Request Review Requests.
• API support for Traffic.
• API support for issue Assignees.
• API support for Miscellaneous Gitignore and Emojis.
• Added endpoints for issue lock, unlock and issue label show.
• Added more parameters to User::starred.
• Fluid interface by allowing configure() to return $this.
• configure() support for issues API.

• Cache issue where some requests are not cached
• Issue with User::all() creates a query with double question marks.

• Add support for retrieving a single notification info using his ID
• Add a function to get user organizations
• Added GraphQL support
• Add page variable to organization repo list (Organization::repositories())
• Add support for pull request review.
• Add support for adding branch protection.

• Bug with double slashes when using enterprise URL.
• Bug when headers not being passed to request (#529)

• Support for JWT authentication
• API for Organization\Members
• API for Integrations
• API for Repo\Cards
• API for Repo\Columns
• API for Repo\Projects
• API for User\MyRepositories
• Methods in Repo API for frequency and participation

• ApiLimitExceedException::__construct has a new second parameter for the remaining API calls.
• First parameter of Github\Client has changed type from \Http\Client\HttpClient to Github\HttpClient\Builder. A factory class was also added. To upgrade you need to change:

// Old way does not work:
$github = new Github\Client($httpClient); 

// New way will work:
$github = new Github\Client(new Github\HttpClient\Builder($httpClient)); 
$github = Github\Client::createWithHttpClient($httpClient);  

• Renamed the currentuser DeployKeys api class to PublicKeys to reflect to github api name.

• HTTPlug to decouple from Guzzle
• Github\Client::getLastResponse was added
• Support for PSR-6 cache
• Github\Client::addPlugin and Github\Client::removePlugin
• Github\Client::getApiVersion
• Github\Client::removeCache

• Uses of Github\HttpClient\HttpClientInterface is replaced by Http\Client\HttpClient ie the constructor of Github\Client.
• We use PSR-7's representation of HTTP message instead of Guzzle\Http\Message\Response and Guzzle\Http\Message\Request.
• Github\Client::addHeaders was added instead of Github\Client::setHeaders
• Signature of Github\Client::useCache has changed. First argument must be a CacheItemPoolInterface
• We use PSR-4 instead of PSR-0

• Support for PHP 5.3 and 5.4
• Github/HttpClient/HttpClientInterface was removed
• Github/HttpClient/HttpClient was removed
• All classes in Github/HttpClient/HttpClient/Listener/* were removed
• Github/HttpClient/CachedHttpClient was removed
• All classes in Github/HttpClient/Cache/* were removed

No change log before this version