update changelog

CHANGELOG.md

@@ -6,6 +6,15 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+Fix bc cards (#3941)\
+scroll when an alert happens (#3939)\
+clusters should be hidden, not fixed. (#3931)\
+account for this error and return nil (#3934)\
+Use ondemand-runtime 3.1.6 (#3935)\
+check for the closest anchor when trying to open a link (#3923)\
+better file editor layout (#3924)\
+Update Changelog (#3926)\
+update dependencies (#3927)
 
 ### Added
 - BatchConnect form labels can now be made dynamic with data-label-* in [3498](https://github.com/OSC/ondemand/pull/3498).