## 1.18.0 (08/24/2021)
* [feat]: Add support for guzzlehttp/psr7 v2 (#357)
## 1.17.0 (08/17/2021)
* [fix]: consistently use useSelfSignedJwt method in ServiceAccountJwtAccessCredentials (#351)
* [feat]: add loading and executing of default client cert source (#353)
* [feat]: add support for proxy-authorization header (#347)
## 1.16.0 (06/22/2021)
* [feat]: allow ServiceAccountJwtAccessCredentials to sign scopes (#341)
* [feat]: allow psr/cache:2.0 (#344)
## 1.15.2 (06/21/2021)
* [fix]: ensure cached tokens are used for GCECredentials::signBlob (#340)
* [fix]: adds check for getClientName (#336)
## 1.15.1 (04/21/2021)
* [fix]: update minimum phpseclib for vulnerability fix (#331)
## 1.15.0 (02/05/2021)
* [feat]: support for PHP 8.0: updated dependencies and tests (#318, #319)
## 1.14.3 (10/16/2020)
* [fix]: add expires_at to GCECredentials (#314)
## 1.14.2 (10/14/2020)
* [fix]: Better FetchAuthTokenCache and getLastReceivedToken (#311)
## 1.14.1 (10/05/2020)
* [fix]: variable typo (#310)
## 1.14.0 (10/02/2020)
* [feat]: Add support for default scopes (#306)
## 1.13.0 (9/18/2020)
* [feat]: Add service account identity support to GCECredentials (#304)
## 1.12.0 (8/31/2020)
* [feat]: Add QuotaProject option to getMiddleware (#296)
* [feat]: Add caching for calls to GCECredentials::onGce (#301)
* [feat]: Add updateMetadata function to token cache (#298)
* [fix]: Use quota_project_id instead of quota_project (#299)
## 1.11.1 (7/27/2020)
* [fix]: catch ConnectException in GCE check (#294)
* [docs]: Adds [reference docs](https://googleapis.github.io/google-auth-library-php/main)
## 1.11.0 (7/22/2020)
* [feat]: Check cache expiration (#291)
* [fix]: OAuth2 cache key when audience is set (#291)
## 1.10.0 (7/8/2020)
* [feat]: Add support for Guzzle 7 (#256)
* [fix]: Remove SDK warning (#283)
* [chore]: Switch to github pages deploy action (#284)
## 1.9.0 (5/14/2020)
* [feat] Add quotaProject param for extensible client options support (#277)
* [feat] Add signingKeyId param for jwt signing (#270)
* [docs] Misc documentation improvements (#268, #278, #273)
* [chore] Switch from Travis to Github Actions (#273)
## 1.8.0 (3/26/2020)
* [feat] Add option to throw exception in AccessToken::verify(). (#265)
* [feat] Add support for x-goog-user-project. (#254)
* [feat] Add option to specify issuer in AccessToken::verify(). (#267)
* [feat] Add getProjectId to credentials types where project IDs can be determined. (#230)
## 1.7.1 (02/12/2020)
* [fix] Invalid character in iap cert cache key (#263)
* [fix] Typo in exception for package name (#262)
## 1.7.0 (02/11/2020)
* [feat] Add ID token to auth token methods. (#248)
* [feat] Add support for ES256 in `AccessToken::verify`. (#255)
* [fix] Let namespace match the file structure. (#258)
* [fix] Construct RuntimeException. (#257)
* [tests] Update tests for PHP 7.4 compatibility. (#253)
* [chore] Add a couple more things to `.gitattributes`. (#252)
## 1.6.1 (10/29/2019)
* [fix] Handle DST correctly for cache item expirations. (#246)
## 1.6.0 (10/01/2019)
* [feat] Add utility for verifying and revoking access tokens. (#243)
* [docs] Fix README console terminology. (#242)
* [feat] Support custom scopes with GCECredentials. (#239)
* [fix] Fix phpseclib existence check. (#237)
## 1.5.2 (07/22/2019)
* [fix] Move loadItems call out of `SysVCacheItemPool` constructor. (#229)
* [fix] Add `Metadata-Flavor` header to initial GCE metadata call. (#232)
## 1.5.1 (04/16/2019)
* [fix] Moved `getClientName()` from `Google\Auth\FetchAuthTokenInterface`
to `Google\Auth\SignBlobInterface`, and removed `getClientName()` from
`InsecureCredentials` and `UserRefreshCredentials`. (#223)
## 1.5.0 (04/15/2019)
### Changes
* Add support for signing strings with a Credentials instance. (#221)
* [Docs] Describe the arrays returned by fetchAuthToken. (#216)
* [Testing] Fix failing tests (#217)
* Update GitHub issue templates (#214, #213)
## 1.4.0 (09/17/2018)
### Changes
* Add support for insecure credentials (#208)
## 1.3.3 (08/27/2018)
### Changes
* Add retry and increase timeout for GCE credentials (#195)
* [Docs] Fix spelling (#204)
* Update token url (#206)
## 1.3.2 (07/23/2018)
### Changes
* Only emits a warning for gcloud credentials (#202)
## 1.3.1 (07/19/2018)
### Changes
* Added a warning for 3 legged OAuth credentials (#199)
* [Code cleanup] Removed useless else after return (#193)
## 1.3.0 (06/04/2018)
### Changes
* Fixes usage of deprecated env var for GAE Flex (#189)
* fix - guzzlehttp/psr7 dependency version definition (#190)
* Added SystemV shared memory based CacheItemPool (#191)
## 1.2.1 (24/01/2018)
### Changes
* Fixes array merging bug in Guzzle5HttpHandler (#186)
* Fixes constructor argument bug in Subscriber & Middleware (#184)
## 1.2.0 (6/12/2017)
### Changes
* Adds async method to HTTP handlers (#176)
* Misc bug fixes and improvements (#177, #175, #178)
## 1.1.0 (10/10/2017)
### Changes
* Supports additional claims in JWT tokens (#171)
* Adds makeHttpClient for creating authorized Guzzle clients (#162)
* Misc bug fixes/improvements (#168, #161, #167, #170, #143)
## 1.0.1 (31/07/2017)
### Changes
* Adds support for Firebase 5.0 (#159)
## 1.0.0 (12/06/2017)
### Changes
* Adds hashing and shortening to enforce max key length ([@bshaffer])
* Fix for better PSR-6 compliance - verifies a hit before getting the cache item ([@bshaffer])
* README fixes ([@bshaffer])
* Change authorization header key to lowercase ([@stanley-cheung])
## 0.4.0 (23/04/2015)
### Changes
* Export callback function to update auth metadata ([@stanley-cheung][])
* Adds an implementation of User Refresh Token auth ([@stanley-cheung][])
[@bshaffer]: https://github.com/bshaffer
[@stanley-cheung]: https://github.com/stanley-cheung