Change-log.md

@@ -2,6 +2,19 @@
 
 Please note all dates are expressed as [ISO-8601](http://en.wikipedia.org/wiki/ISO_8601).
 
+# 4.1 - 2015/03/12
+
+## New features
+
+* Global Alliance endpoints merged onto the same server as Ensembl endpoints. These will no longer be hosted separately.
+* POST support for `[/variation]` endpoint
+* More efficient `[/overlap]` endpoint
+
+## Bug fixes
+
+* `[/vep]` endpoint properly prioritises user parameters over defaults
+
+
 # 4.0 - 2014/12/03
 
 ## New features