Update CHANGELOG.md

Author: jaapmarcus

CHANGELOG.md

@@ -1,6 +1,13 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## [Development]
+
+### Features
+
+### Bugfixes
+- Improve the calculated disk size of a new backup estimated by excluding the exclude folders, mail accounts and database in backups (#1616) @Myself5
+
 ## [1.4.2] - Service release
 
 - **NOTE:** During the 1.4.1 / 1.4.0 release we have introduced a bug for Ubuntu 20.04 and 18.04 users with multiple network ports on the server. This release will solve the problems caused by this bug! If you are unable to download the Hestia packages via apt. Run the following command via CLI or SSH as root