Release version 2.6.3

Author: dgerhardt

CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## 2.6.3
+Bug fixes:
+* The backend now correctly responds with 4xx error codes instead of 500 to less
+  common errors caused by bad requests from the client-side.
+
+Additional changes:
+* Libraries have been upgraded to fix potential bugs.
+
 ## 2.5.9
 This is a maintenance release which only brings libraries up to date to fix
 potential bugs.

pom.xml

@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.thm.arsnova</groupId>
 	<artifactId>arsnova-backend</artifactId>
-	<version>2.6.3-SNAPSHOT</version>
+	<version>2.6.3</version>
 	<packaging>war</packaging>
 
 	<properties>