updated changelog

Changelog.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 
 ## [0.42] - xxxx-xx-xx
 - DBOARD3-277: stop using Junos Space
+- DBOARD3-244: add visible status details for update inventory processing
+- DBOARD3-271: OTRS exports
+- initial backend support for IMS
 
 ## [0.41] - 2020-04-17
 - DBOARD3-199: allow extra configuration info for unmanaged interfaces