bumped version to 2.3.0-DEV

composer.json

@@ -65,7 +65,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.2.x-dev"
+            "dev-master": "2.3.x-dev"
         }
     }
 }

doc/changelog.rst

 Changelog
 =========
 
+2.3.0 (2018-XX-XX)
+------------------
+
+ * n/a
+
 2.2.3 (2018-02-25)
 ------------------
 

src/Silex/Application.php

@@ -41,7 +41,7 @@ use Silex\Provider\HttpKernelServiceProvider;
  */
 class Application extends Container implements HttpKernelInterface, TerminableInterface
 {
-    const VERSION = '2.2.3';
+    const VERSION = '2.3.0-DEV';
 
     const EARLY_EVENT = 512;
     const LATE_EVENT = -512;