prepared the 2.11.0 release

CHANGELOG

@@ -1,4 +1,4 @@
-* 2.11.0 (2019-XX-XX)
+* 2.11.0 (2019-05-31)
 
  * added the possibility to register classes/interfaces as being safe for the escaper ("EscaperExtension::addSafeClass()")
  * deprecated CoreExtension::setEscaper() and CoreExtension::getEscapers() in favor of the same methods on EscaperExtension

src/Environment.php

@@ -38,12 +38,12 @@ use Twig\TokenParser\TokenParserInterface;
  */
 class Environment
 {
-    const VERSION = '2.11.0-DEV';
+    const VERSION = '2.11.0';
     const VERSION_ID = 21100;
     const MAJOR_VERSION = 2;
     const MINOR_VERSION = 11;
     const RELEASE_VERSION = 0;
-    const EXTRA_VERSION = 'DEV';
+    const EXTRA_VERSION = '';
 
     private $charset;
     private $loader;