diff --git a/CHANGELOG-4.3.md b/CHANGELOG-4.3.md
index 15c76d1c33d3..9d60553f2ea1 100644
--- a/CHANGELOG-4.3.md
+++ b/CHANGELOG-4.3.md
@@ -7,6 +7,68 @@ in 4.3 minor versions.
 To get the diff for a specific change, go to https://github.com/symfony/symfony/commit/XXX where XXX is the change hash
 To get the diff between two versions, go to https://github.com/symfony/symfony/compare/v4.3.0...v4.3.1
 
+* 4.3.4 (2019-08-26)
+
+ * bug #33335 [DependencyInjection] Fixed the `getServiceIds` implementation to always return aliases (pdommelen)
+ * bug #33298 [Messenger] Stop worker when it should stop (tienvx)
+ * bug #33292 [VarExporter] fix support for PHP 7.4 (nicolas-grekas)
+ * bug #33282 [HttpKernel] Do not extend the new SF 4.3 ControllerEvent so we can make it final (Tobion)
+ * bug #33278 [FrameworkBundle] Fix BrowserKit assertions to make them compatible with Panther (dunglas)
+ * bug #33216 [Mime] Trim and remove line breaks from NamedAddress name arg (maldoinc)
+ * bug #33124 [Config] Add handling for ignored keys in ArrayNode::mergeValues. (Alexandre Parent)
+ * bug #33244 [Router] Fix TraceableUrlMatcher behaviour with trailing slash (Xavier Leune)
+ * bug #33232 Fix handling for session parameters (vkhramtsov)
+ * bug #32497 [Messenger] DispatchAfterCurrentBusMiddleware does not cancel messages from delayed handlers  (Nyholm, BastienClement)
+ * bug #33127 [Messenger] make delay exchange and queues durable like the normal ones by default (Tobion)
+ * bug #33210 [Mailer] Don't duplicate addresses in Sendgrid Transport (pierredup)
+ * bug #33172 [Console] fixed a PHP notice when there is no function in the stack trace of an Exception (fabpot)
+ * bug #33157 Fix getMaxFilesize() returning zero (ausi)
+ * bug #33139 [Intl] Cleanup unused language aliases entry (ro0NL)
+ * bug #33126 [SecurityBundle] display the correct class name on the deprecated notice (maxhelias)
+ * bug #33093 [EventDispatcher] wrong Request class (maxhelias)
+ * bug #33092 [DependencyInjection] Improve an exception message (fabpot)
+ * bug #32541 [HttpKernel] trim the leading backslash in the controller init (Simperfit, fabpot)
+ * bug #32455 [HttpFoundation] Clear invalid session cookie (Toflar)
+ * bug #33066 [Serializer] Fix negative DateInterval (jderusse)
+ * bug #33045 Make HttpClientTestCase compatible with PHPUnit8 (jderusse)
+ * bug #33033 [Lock] consistently throw NotSupportException (xabbuh)
+ * bug #33022 [HttpClient] Remove CURLOPT_CONNECTTIMEOUT_MS curl opt (lyrixx)
+ * bug #32516 [FrameworkBundle][Config] Ignore exceptions thrown during reflection classes autoload (fancyweb)
+ * bug #33010 [TwigBridge] pass translation parameters to the trans filter (xabbuh)
+ * bug #32981 Fix tests/code for php 7.4 (jderusse)
+ * bug #32986 [Mime] fixed wrong mimetype (rjwebdev)
+ * bug #32992 [ProxyManagerBridge] Polyfill for unmaintained version (jderusse)
+ * bug #32989 [HttpClient] Declare `$active` first to prevent weird issue (Kocal)
+ * bug #32999 Added correct plural for box -> boxes (cinamo)
+ * bug #32933 [PhpUnitBridge] fixed PHPUnit 8.3 compatibility: method handleError was renamed to __invoke (karser)
+ * bug #32947 [Intl] Support DateTimeInterface in IntlDateFormatter::format (pierredup)
+ * bug #32919 [Intl] Order alpha2 to alpha3 mapping + phpdoc fixes (ro0NL)
+ * bug #32792 [Messenger] Fix incompatibility with FrameworkBundle <4.3.1 (chalasr)
+ * bug #32836 [Messenger] Removed named parameters and replaced with `?` placeholders for sqlsrv compatibility (David Legatt)
+ * bug #32838 [FrameworkBundle] Detect indirect env vars in routing (ro0NL)
+ * bug #32918 [Intl] Order alpha2 to alpha3 mapping (ro0NL)
+ * bug #32902 [PhpUnitBridge] Allow sutFqcnResolver to return array (VincentLanglet)
+ * bug #32814 Create mailBody with only attachments part present (srsbiz)
+ * bug #32682 [HttpFoundation] Revert getClientIp @return docblock (ossinkine)
+ * bug #32910 [Yaml] PHP-8: Uncaught TypeError: abs() expects parameter 1 to be int or float, string given (Aleksandr Dankovtsev)
+ * bug #32870 #32853 Check if $this->parameters is array. (ABGEO07)
+ * bug #32899 [Mailer] fix wrong error message when connection closes unexpectedly (fabpot)
+ * bug #32895 [Mailer] Fix error not being thrown properly (fabpot)
+ * bug #32868 [PhpUnitBridge] Allow symfony/phpunit-bridge > 4.2 to be installed with phpunit 4.8 (jderusse)
+ * bug #32823 [HttpClient] Preserve the case of headers when sending them (nicolas-grekas)
+ * bug #32767 [Yaml] fix comment in multi line value (soufianZantar)
+ * bug #32790 [HttpFoundation] Fix `getMaxFilesize` (bennyborn)
+ * bug #32796 [Cache] fix warning on PHP 7.4 (jpauli)
+ * bug #32806 [Console] fix warning on PHP 7.4 (rez1dent3)
+ * bug #32809 Don't add object-value of static properties in the signature of container metadata-cache (arjenm)
+ * bug #32708 Recompile container when translations directory changes (pierredup)
+ * bug #32722 [DependencyInjection] Fix bindings and tagged_locator (deguif)
+ * bug #32802 Make sure trace_level is always defined (dbu)
+ * bug #30096 [DI] Fix dumping Doctrine-like service graphs (bis) (weaverryan, nicolas-grekas)
+ * bug #32799 [HttpKernel] do not stopwatch sections when profiler is disabled (Tobion)
+ * bug #32631 [Messenger] expire delay queue and fix auto_setup logic (Tobion)
+ * bug #32641 [Messenger] Retrieve table default options from the SchemaManager (vincenttouzet)
+
 * 4.3.3 (2019-07-28)
 
  * bug #32726 [Messenger] Fix redis last error not cleared between calls (chalasr)
diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index 4673fd8ebae1..881afc0f3dff 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -73,12 +73,12 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
     private $requestStackSize = 0;
     private $resetServices = false;
 
-    const VERSION = '4.3.4-DEV';
+    const VERSION = '4.3.4';
     const VERSION_ID = 40304;
     const MAJOR_VERSION = 4;
     const MINOR_VERSION = 3;
     const RELEASE_VERSION = 4;
-    const EXTRA_VERSION = 'DEV';
+    const EXTRA_VERSION = '';
 
     const END_OF_MAINTENANCE = '01/2020';
     const END_OF_LIFE = '07/2020';