* 5.1.6 (2020-09-27)

* bug #38291 [OptionsResolver] Fix deprecation message access (fancyweb)

* bug #38248 [HttpClient] Allow bearer token with colon (stephanvierkant)

* bug #37837 [Form] Fix custom formats deprecation with HTML5 widgets (fancyweb)

* bug #38285 [Contracts][Translation] Optional Intl dependency (ro0NL)

* bug #38283 [Translator] Optional Intl dependency (ro0NL)

* bug #38271 [ErrorHandler] Escape JSON encoded log context (ro0NL)

* bug #38284 [Cache][Lock][Messenger] fix compatibility with Doctrine DBAL 3 (xabbuh)

* bug #38228 [Yaml Parser] Fix edge cases when parsing multiple documents (digilist)

* bug #38226 [FrameworkBundle] loadRoutes shoud receive RoutingPhpFileLoader (grachevko)

* bug #38229 [Yaml] fix parsing comments not prefixed by a space (xabbuh)

* bug #38127 [Translator] Make sure a null locale is handled properly (jschaedl)

* bug #38221 [Cache] Allow cache tags to be objects implementing __toString() (lstrojny)

* bug #38212 [HttpKernel] Do not override max_redirects option in HttpClientKernel (dmolineus)

* bug #38215 [HttpClient] Support for CURLOPT_LOCALPORT (derrabus)

* bug #38202 [FrameworkBundle] Fix xsd definition which prevent to add more than one workflow metadata (l-vo)

* bug #38195 [String] improve slugger's portability accross implementations of iconv() (nicolas-grekas)

* bug #38166 [Console] work around disabled putenv() (SenTisso)

* bug #38190 [Notifier] Fix errors parsing in FirebaseTransport (jderusse)

* bug #38173 [HttpClient][HttpClientTrait] don't calculate alternatives if option is auth_ntlm (ybenhssaien)

* bug #38169 [PhpUnitBridge] Internal classes are not legacy (derrabus)

* feature #38160 [Security] In the new authenticator system, no auth listener is valid (weaverryan)

* bug #38156 [Cache] fix ProxyAdapter not persisting items with infinite expiration (dmaicher)

* bug #38148 [HttpClient] fail properly when the server replies with HTTP/0.9 (nicolas-grekas)

* bug #38131 [Validator] allow consumers to mock all methods (xabbuh)

* bug #38140 [DI] dump OS-indepent paths in the preload file (nicolas-grekas)

* bug #38139 [DI] dump OS-indepent paths in the compiled container (nicolas-grekas)

* bug #38147 [Mailer] Fixed Mailgun API bridge JsonException when API response is not applicaton/json (asprega)

* bug #38126 [Cache] Limit cache version character range (lstrojny)

* bug #38136 [Messenger] Run postgres setup trigger in transaction (akondas)

* bug #38142 [FrameworkBundle] adopt src/.preload.php (nicolas-grekas)

* bug #38108 [Cache] Fix key encoding issue in Memcached adapter (lstrojny)

* bug #38122 [HttpClient] Fix Array to string conversion notice when parsing JSON error body with non-scalar detail property (emarref)

* bug #37097 DateTime validator support for trailing data (stefankleff)

* bug #38116 [Console] Silence warnings on sapi_windows_cp_set() call (chalasr)

* bug #38114 [Console] guard $argv + $token against null, preventing unnecessary exceptions (bilogic)

* bug #38094 [PhpUnitBridge] Skip internal classes in CoverageListenerTrait (sanmai)

* bug #38101 [VarExporter] unserialize() might throw an Exception on php 8 (derrabus)

* bug #38100 [ErrorHandler] Parse "x not found" errors correctly on php 8 (derrabus)

* bug #38099 Prevent parsing invalid octal digits as octal numbers (julienfalque)

* bug #38095 [Mailer] Remove unnecessary check for existing request (jschaedl)

* bug #38091 [DI] fix ContainerBuilder on PHP8 (nicolas-grekas)

* bug #38086 [HttpClient] with "bindto" with NativeHttpClient (nicolas-grekas)

* bug #38063 [FrameworkBundle] generate preload.php in src/ to make opcache.preload predictable (nicolas-grekas)

* bug #38080 [Console] Make sure $maxAttempts is an int or null (derrabus)

* bug #38075 esmtp error not being thrown properly (Anton Zagorskii)

* bug #38040 [Yaml Parser] fixed Parser to skip comments when inlining sequences (korve)

* bug #38073 [VarDumper] Fix caster for invalid SplFileInfo objects on php 8 (derrabus)

* bug #38074 [Messenger] Remove DelaySeconds parameter for FIFO queues (netbull)

* bug #38071 [PhpUnitBridge] Adjust output parsing of CoverageListenerTrait for PHPUnit 9.3 (sanmai, derrabus)

* bug #38062 [DI] fix generating preload file when cache_dir is outside project_dir (nicolas-grekas)

* bug #38059 [Cache] Fix CacheCollectorPass with decorated cache pools (shyim)

* bug #38054 [PhpUnitBridge] CoverageListenerTrait update for PHPUnit 8.5/9.x (sanmai)

* bug #38049 [Debug] Parse "x not found" errors correctly on php 8 (derrabus)

* bug #38041 [PropertyInfo] Fix typed collections in PHP 7.4 (ndench)

* bug #38013 [PHPUnitBridge] Fix deprecation type detection when trigger_deprecation is used (l-vo)

* bug #37959 [PhpunitBridge] Fix deprecation type detection (when several autoload files are used) (l-vo)

* bug #38031 Allow Drupal to wrap the Symfony test listener (5.1 backport) (fabpot, alexpott)

const VERSION = '5.1.6';

const EXTRA_VERSION = '';