changelog: add notes about closing #13616

[skip ci]

CHANGELOG.md

@@ -13,6 +13,10 @@
 
 * Postgres/MySQL/MSSQL datasources now per default uses `max open connections` = `unlimited` (earlier 10), `max idle connections` = `2` (earlier 10) and `connection max lifetime` = `4` hours (earlier unlimited)
 
+# 5.3.1 (unreleased)
+
+* **Render**: Fix PhantomJS render of graph panel when legend displayed as table to the right [#13616](https://github.com/grafana/grafana/issues/13616)
+
 # 5.3.0 (2018-10-10)
 
 * **Stackdriver**: Filter wildcards and regex matching are not yet supported [#13495](https://github.com/grafana/grafana/issues/13495)